General Histology

Generate an image capturing the intricate structures of cells and organelles, showcasing a colorful and detailed representation of histology under a microscope, with labels highlighting various organelles like mitochondria, lysosomes, and the endoplasmic reticulum.

Explore the World of General Histology

Test your knowledge of histology and learn more about the fascinating structures and functions of cells and their organelles. This quiz dives deep into essential topics within the field of histology, making it perfect for students and enthusiasts alike.

Whether you're preparing for an exam or just curious about cellular biology, this quiz will help you assess your understanding and expand your knowledge. Key features include:

  • Multiple-choice and checkbox questions
  • Covers a wide range of histological concepts
  • Engaging and informative
272 Questions68 MinutesCreated by DiscoverCell101
1. Which of the following is NOT a membranous organelle?
Lysosomes
Peroxisomes
Peroxisomes
Ribosomes
Endoplasmic reticulum
2. Which organelle contains digestive enzymes?
Rough endoplasmic reticulum
Smooth endoplasmic reticulum
Lysosome
Golgi apparatus
Mitochondria
3. Which organelle is considered the powerhouse of the cell?
Rough endoplasmic reticulum
Smooth endoplasmic reticulum
Lysosome
Golgi apparatus
Mitochondria
What structure is at the base of cilia?
Ribosomes
Peroxisome
Microfilaments
Centrioles
Nucleoli
Which of the following is NOT considered an inclusion?
Pigment
Glycogen
Lipid
Secretory granules
Mitochondria
Collectively, what is the cytoplasm and nucleus called?
Plasmalemma
Glycocalyx
Protoplasm
Cristae
Ground substance
What is the term for the general process that cells use to expunge material from the cell?
Endocytosis
Exocytosis
Pinocytosis
Phagocytosis
Active transport
Which organelle sorts and packages proteins within a cell?
Rough endoplasmic reticulum
Smooth endoplasmic reticulum
Lysosome
Golgi apparatus
Mitochondria
Which of the following is NOT a membranous organelle?
Lysosomes
Filaments
Peroxisomes
Mitochondria
Endoplasmic reticulum
What are the folds on the inner mitochodrial membrane called?
Plasmalemma
Glycocalyx
Protoplasm
Cristae
Ground substance
Which organelle is involved in lipid metabolism?
Rough endoplasmic reticulum
Smooth endoplasmic reticulum
Lysosome
σ½Golgi apparatus
Mitochondria
Which organelle contains detoxifying enzymes?
Ribosomes
Peroxisome
Microfilaments
Centrioles
Nucleoli
Which of the following is NOT a membranous organelle?
Microtubules
Lysosomes
Peroxisomes
Mitochondria
Endoplasmic reticulum
What is the limiting membrane of a cell?
Plasmalemma
Glycocalyx
Protoplasm
Cristae
Ground substance
What is also called a low resistance junction?
Tight junction
Gap junction
Junctional epithelium
Junctional complex
None of the above
Which of the following is an organelle?
Pigment
Glycogen
Lipid
Secretory granules
Mitochondria
What is the term for the general process that cells use to bring things into the cell?
Endocytosis
Exocytosis
Pinocytosis
Phagocytosis
Which organelle produces protein for export?
Rough endoplasmic reticulum
Smooth endoplasmic reticulum
Lysosome
Golgi apparatus
Mitochondria
Where are ribosomes constructed?
Cytoskeleton
Peroxisome
Microfilaments
Centrioles
Nucleoli
What is the term for the process used by cells for the transport in of particulate matter?
Endocytosis
ExocytosisPinocytosis
Phagocytosis
Active transport
What is another term for the cytoplasm outside of organelles?
Plasmalemma
Glycocalyx
Protoplasm
Cristae
Ground substance
What is the a small clear space within a cell?
Space of Disse
Space of Mall
Vacuole
Lacuna
Howship's lacuna
Which of the following is NOT a membranous organelle?
Lysosomes
Peroxisomes
Centrioles
Mitochondria
Endoplasmic reticulum
What is the polysaccharide coating that is sometimes found on the cell membrane?
Plasmalemma
Glycocalyx
Protoplasm
Cristae
Cristae
What process is nicknamed "cell drinking"?
Endocytosis
Exocytosis
Pinocytosis
Phagocytosis
Active transport
Which organelle is studded with ribosomes?
Rough endoplasmic reticulum
Smooth endoplasmic reticulum
Lysosome
Golgi apparatus
Mitochondria
Where is the site of protein synthesis?
Ribosomes
Peroxisome
Microfilaments
Centrioles
Nucleoli
What structure contributes to the cells cytoskeleton?
Ribosomes
Peroxisome
Microfilaments
Centrioles
Nucleoli
Which of the following is NOT primarily composed of connective tissue?
Blood
Bone
Tendon
Intervertebral disc
Myometrium
Which connective tissue cell type contains properties of smooth muscle cells?
Fibroblast
Myofibroblast
Histiocyte
Plasma cell
Mast cell
Which cell is a connective tissue macrophage?
Kupffer cells
Histiocyte
Dust cell
Langerhans cell
Microglia
Which of the following can be classified as "specialized connective tissue"?
Mesenchyme
Mucous connective tissue
Dense connective tissue
Blood
Loose connective tissue
Which of the following can be classified as "embryonic connective tissue"?
Cartilage
Mucous connective tissue
Mucous connective tissue
Bone
Blood
What type of tissue makes up the dermis of the skin?
Mucous connective tissue
Mesenchyme
Loose irregular connective tissue
Dense irregular connective tissue
What type of adipose tissue tends to increase as humans age?
Brown adipose tissue
White adipose tissue
Unilocular adipose tissue
Multilocular adipose tissue
White adipose tissue, Unilocular adipose tissue
Which of the following is NOT primarily composed of connective tissue?
Bone marrow
Articular cartilage
Heart
Mesenchyme
Fat
Which one of these cells is not a cell type routinely found in loose connective tissue?
Fibroblast
Microglia
Histiocyte
Plasma cell
Mast cell
Which of the following can be classified as "specialized connective tissue"?Cartilage
Cartilage
Loose connective tissue
Mesenchyme
Dense connective tissue
Mucous connective tissue
Which of the following can be classified as "connective tissue proper"?
Adipose tissue
Dense irregular connective tissue
Bone
Cartilage
Blood
What type of tissue is Wharton's jelly?
Mucous connective tissue
Mesenchyme
Loose irregular connective tissue
Dense irregular connective tissueDense irregular connective tissue
Dense regular connective tissue
What type of tissue is a tendon composed of?
Mucous connective tissue
Mesenchyme
Loose irregular connective tissue
Dense irregular connective tissue
Dense regular connective tissue
What does connective tissue develop from?
Mesothelium
Mesenchyme
Mesangial cells
Mesentery
Wharton's jelly
Which of the following is a component of the ground substance?
Hyaluronic acid
Proteoglycans
Glycosaminoglycans
Chondroitin sulfate
All of the above
Which of the following is NOT primarily composed of connective tissue?
Spinal cord
Pubic symphysis
Ligament
Areolar tissue
Organ capsule
Which connective tissue cell type produces the ground substance in connective tissue?
Fibroblast
Myofibroblast
Histiocyte
Plasma cell
Mast cell
Which connective tissue cell is derived from B lymphocytes?
Fibroblast
Myofibroblast
Histiocyte
Plasma cell
Mast cell
Which of the following can be classified as "specialized connective tissue"?
Mesenchyme
Bone
Dense connective tissuevv
Mucous connective tissue
Loose connective tissue
Which of the following can be classified as "connective tissue proper"?
Bone
Blood
Adipose tissue
Loose irregular connective tissue
Cartilage
What type of connective tissue is an undifferentiated tissue found in the embryo?
Mucous connective tissue
Mesenchyme
Loose irregular connective tissue
Dense irregular connective tissue
What type of tissue is a ligament composed of?
Mucous connective tissue
Mesenchyme
Loose irregular connective tissue
Dense irregular connective tissue
Dense regular connective tissue
Which of the following is not associated with connective tissue?
Tightly packed cells
Extracellular fibers
Tissue fluid
Ground substance
None of the above; all of the above are seen with connective tissue
Which of the following would be best suited to visualize lipid?
Wright's stainv
Hematoxylin and eosin stain
Sudan stain
Silver impregnation
Silver impregnation
Masson's trichrome stain
A beauty treatment for the reduction of wrinkles is the injection of hyaluronic acid into the wrinkle. What is hyaluronic acid?
Dermatan sulfate
Proteoglycan
Glycosaminoglycan
Chondroitin sulfate
Keratan sulfate
Which is the most abundant fiber in connective tissue?
Collagen fiber
Elastic fiber
Reticular fiber
Purkinje fiber
Muscle fibers
Which connective tissue cell type produces collagen?
Fibroblast
Connective tissue macrophage
Histiocyte
Plasma cell
Mast cell
Which connective tissue cell type secretes histamine?
Fibroblast
Myofibroblast
Histiocyte
Plasma cell
Mast cell
Which of the following can be classified as "specialized connective tissue"?
Loose connective tissue
Mesenchyme
Adipose tissue
Mucous connective tissue
Dense connective tissue
Which of the following can be classified as "embryonic connective tissue"?
Adipose tissue
Bone
Blood
Cartilage
Mesenchyme
What is areolar tissue?
Mucous connective tissue
Mesenchyme
Loose irregular connective tissue
Dense irregular connective tissue
Dense regular connective tissue
What type of adipose tissue tends to decrease as humans age?
Brown adipose tissue
White adipose tissue
Unilocular adipose tissue
Unilocular adipose tissue
Brown adipose tissue and Multilocular adipose tissue
What type of tissue lines the bladder?
Simple squamous epithelium
Simple cuboidal epithelium
Simple columnar epithelium
Stratified squamous epithelium
Transitional epithelium
What type of tissue lines most ducts?
Simple squamous epithelium
Simple cuboidal epithelium
Simple columnar epithelium
Stratified squamous epithelium
Transitional epithelium
What type of epithelium is associated with goblet cells?
Simple squamous epithelium
Simple cuboidal epithelium
Simple columnar epithelium
Stratified squamous epithelium
Pseudostratified epithelium
What type of epithelial cells are as tall as they are wide?
Simple
Stratified
Squamous
Cuboidal
Columnar
What do you call the simple squamous epithelium that lines the blood vessels?
Epithelioid tissue
Mesothelium
Endothelium
Transitional
Pseudostratified
What cell type makes up the mucosa of the gallbladder?
Simple squamous epithelium
Simple columnar epithelium
Simple cuboidal epithelium
Stratified squamous epithelium
Which of the following is lined by a serosa?
Genitourinary tract
Peritoneal cavity
Respiratory tract
Alimentary canal
All of the above are lined by a serosa
What type of gland secretes its product through a duct or tube?
Endocrine gland
Multicellular gland
Exocrine gland
All of the above
None of the above
What is a gland called if the secretory portion is flask shaped?
Simple gland
Compound gland
Tubular
Alveolar
Tubuloalveolar
What forms the brush border?
Microvilli
Stereocilia
Cilia
Keratinization
Microvilli, Stereocilia
What type of epithelium lines the trachea?
Simple squamous epithelium
Simple cuboidal epithelium
Simple columnar epithelium
Stratified squamous epithelium
Pseudostratified epithelium
What type of tissue lines blood vessels?
Simple squamous epithelium
Simple cuboidal epithelium
Simple columnar epithelium
Stratified squamous epithelium
Transitional epithelium
What type of epithelium is more than one layer thick?
Simple
Stratified
Squamous
Cuboidal
Columnar
What do you call a tissue composed of a conglomeration of cells which are tightly packed together, yet which does not have a free surface? An example of such a tissue would be the parenchyma of the adrenal gland.
Epithelioid tissue
Mesothelium
Endothelium
Transitional
Pseudostratified
What type of epithelium appears stratified, but is not?
Epithelioid tissue
Mesothelium
Endothelium
Transitional
Pseudostratified
Which of the following is lined by a mucosa?
Peritoneal cavity
Pericardial cavity
Pleural cavity
Alimentary canal
All of the above are lined by a mucosa
What type of gland secretes its product directly into the bloodstream?
Endocrine gland
Multicellular gland
Exocrine gland
All of the above
None of the above
What is a gland called if it has an unbranched duct?
Simple gland
Compound gland
Tubular
Alveolar
Tubuloalveolar
What is a gland called if the secretory portion is tube shaped ending in a flask shaped area at the terminus?
Simple gland
Compound gland
Tubular
Alveolar
Tubuloalveolar
What is the surface modification seen on the cells of the epididymis?
Microvilli
Stereocilia
Cilia
Keratinization
Microvilli, Stereocilia
What type of epithelium forms the epidermis?
Simple squamous epithelium
Simple cuboidal epithelium
Simple columnar epithelium
Stratified squamous epithelium
Pseudostratified epithelium
What type of tissue lines most of the gastrointestinal tract?
Simple squamous epithelium
Simple cuboidal epithelium
Simple columnar epithelium
Stratified squamous epithelium
Transitional epithelium
What type of tissue forms the alveoli in the lung?
Simple cuboidal epithelium
Simple squamous epithelium
Simple columnar epithelium
Stratified squamous epithelium
Pseudostratified epithelium
What type of epithelium is composed of flat cells?
Simple
Stratified
Squamous
Cuboidal
Columnar
Which germ layer(s) form epithelial tissue?
Mesoderm only
Ectoderm only
Ectoderm and endoderm only
Ectoderm, endoderm, and mesoderm
Endoderm only
Which of the following is NOT lined by a mucosa?
Genitourinary tract
Pericardial cavity
Respiratory tract
Alimentary canal
All of the above are lined by a mucosa
What is a gland called if it has an branched duct?
Simple gland
Compound gland
Tubular
Alveolar
Tubuloalveolar
What do you call the simple squamous epithelium that lines the abdominal cavity?
Epithelioid tissue
Mesothelium
Endothelium
Transitional
Pseudostratified
What type of epithelium is composed of cells which all touch the basement membrane and is only one cell layer thick?
Stratified squamous epithelium
Transitional epithelium
Stratified cuboidal epithelium
None of the above
What are finger like projections on the surface of some cells called?
Microvilli
Stereocilia
Cilia
Keratinization
Microvilli and Stereocilia
What cell surface modification is made of microtubules?
Microvilli
Stereocilia
Cilia
Keratinization
Microvilli and Stereocilia
What type of tissue composes the kidney tubules?
Simple squamous epithelium
Simple cuboidal epithelium
Simple columnar epithelium
Stratified squamous epithelium
Transitional epithelium
What type of tissue lines the esophagus?
Simple squamous epithelium
Simple cuboidal epithelium
Simple columnar epithelium
Stratified squamous epithelium
Transitional epithelium
What type of epithelium is one cell layer thick?
Simple
Stratified
Squamous
Cuboidal
Columnar
What type of epithelial cells are taller than they are wide?
Simple
Stratified
Squamous
Cuboidal
Columnar
What type of epithelium has dome shaped cells on the apical surface?
Epithelioid tissue
Mesothelium
Endothelium
Transitional
Pseudostratified
Which of the following is NOT lined by a serosa?
Peritoneal cavity
Pericardial cavity
Pleural cavity
Respiratory tract
All of the above are lined by a serosa
What forms the striated border?
Microvilli
Stereocilia
Cilia
Keratinization
Microvilli and Stereocilia
What is a characteristic of the cells in the epidermis of the skin?
Microvilli
Stereocilia
Cilia
Keratinization
Microvilli and Stereocilia
What is another term for an acinar gland?
Simple gland
Compound gland
Tubular
Alveolar
Tubuloalveolar
What type of basic tissue type is cartilage?
Muscle
Nervous
Cartilage
Epithelium
Connective tissue
How many types of cartilage are there?
1
2
3
4
5
What do you call the space where a chondrocyte sits in?
Space of Disse
Space of Mall
Vacuole
Lacuna
Howship's Lacuna
Which type of cartilage is found in the walls of the eustachian tube?
Hyaline cartilage
Elastic cartilage
Fibrocartilage
All of the above
None of the above
Which type of cartilage forms the skeleton of the fetus?
Hyaline cartilage
Elastic cartilage
Fibrocartilage
All of the above
None of the above
What type of tissue makes up the "Adam's apple"?
Hyaline cartilage
Fibrocartilage
Elastic cartilage
Hyaline cartilage Fibrocartilage
Hyaline cartilage, Elastic cartilage
Which type of cartilage forms the intervertebral disc?
Hyaline cartilage
Elastic cartilage
Fibrocartilage
All of the above
None of the above
Which type of cartilage forms the hammer, anvil and stirrup?
Hyaline cartilage
Elastic cartilage
Fibrocartilage
All of the above
None of the above
Which type of cartilage is characterized by the presence of elastic fibers?
Hyaline cartilage
Elastic cartilage
All of the above
None of the above
Which type of cartilage is highly vascular?
Hyaline cartilage
Elastic cartilage
Fibrocartilage
All of the above
None of the above
What cell produces the cartilaginous matrix?
Chondrocyte
Chondroblast
Osteocyte
Osteoclast
Bone lining cell
Which type of cartilage is found in the larynx?
Hyaline cartilage
Elastic cartilage
Fibrocartilage
Hyaline cartilage and Elastic cartilage
Which of the following is NOT a glycosaminoglycan in cartilage?
Chondroitin sulfateChondroitin sulfateChondroitin sulfate
Proteoglycans
Keratan sulfate
Hyaluronic acid
All of the above are glycosaminoglycans in cartilage
Which type of cartilage is characterized by a glassy matrix?
Hyaline cartilage
Elastic cartilage
Fibrocartilage
All of the above
None of the above
Which type of cartilage is characterized by the presence of chondrocytes sitting in lacunae?
Hyaline cartilage
Elastic cartilage
Fibrocartilage
All of the above
None of the above
Which type of cartilage is the most abundant?
Hyaline cartilage
Elastic
Hyaline cartilage and elastic cartilage equally
Elastic cartilage and fibrocartilage equally cartilage
Fibrocartilage
Which type of cartilage forms the articular surface on bones?
Hyaline cartilage
Elastic cartilage
Fibrocartilage
All of the above
Which type of cartilage is found in the external ear?
Hyaline cartilage
Elastic cartilage
Fibrocartilage
All of the above
None of the above
Costal cartilage is composed of what type of cartilage?
Elastic cartilage
Hyaline cartilage
Fibrocartilage
All of the above
None of the above
Which type of cartilage forms the symphysis pubis?
Hyaline cartilage
Elastic cartilage
Fibrocartilage
All of the above
None of the above
What structure is called white cartilage?
Hyaline cartilage
Elastic cartilage
Fibrocartilage
Compact bone
Spongy bone
What is the connective tissue covering which surrounds cartilage?
Perimysium
Periosteum
Perichondrium
Perineurium
Endosteum
Where does cartilage come from?
Ectoderm
Endoderm
Mesenchyme
Connective tissue
None of the above
What is the mature cell in cartilage called?
Chondrocyte
Chondroblast
Osteocyte
Osteoclast
Bone lining cell
Regarding the blood supply to cartilage:?
Cartilage has minimal circulation
Cartilage has a duel circulation
Cartilage is highly vascular
Cartilage is avascular
There is nothing unique about the blood supply to cartilage Which type of cartilage is characterized by the presence of thick bundles of collagen fibers?
Hyaline cartilage
Elastic cartilage
Fibrocartilage
All of the above
None of the above
Which type of cartilage forms the epiphyseal growth plate?
Hyaline cartilage
Elastic cartilage
Fibrocartilage
All of the above
None of the above
What type of tissue makes up the rings of the trachea?
Hyaline cartilage
Fibrocartilage
Elastic cartilage
Hyaline cartilage and Fibrocartilage
Hyaline cartilage and Elastic cartilage
What type of tissue makes up the epiglottis?
Hyaline cartilage
Fibrocartilage
Elastic cartilage
Hyaline cartilage and Elastic cartilage
Hyaline cartilage and Fibrocartilage
Which type of cartilage is present in the temporomandibular joint?
Hyaline cartilage
Elastic cartilage
Fibrocartilage
All of the above
None of the above
What is compact bone?
Dense bone
Woven bone
Immature bone
Cancellous bone
Spongy bone
What cell is involved in bone resorption?
Osteoclast
Osteon
Osteocyte
Osteoblast
Osteoid
What type of basic tissue type is bone?
Epithelium
Connective tissue
Muscle
Nervous
Bone
What is woven bone?
Cancellous bone
Compact bone
Dense bone
Immature bone
Spongy bone
What is dense bone?
Immature bone
Cancellous bone
Compact bone
Woven bone
Spongy bone
Which cell is a resting osteoblast?
Chondrocyte
Chondroblast
Osteocyte
Osteoclast
Bone lining cell
What are the mineral crystals in bone called?
Hydroxyapatite
Calcite
Tourmaline
Rubellite
Indicolite
What is the cylindrical structure in compact bone?
Osteoclast
Osteon
Osteocyte
Osteoblast
Osteoid
What is the space that an osteocyte rests in?
Canaliculi
Sharpey's fibers
Trabeculae
Tome's process
Lacuna
What is bone formation called when the bone is formed from a cartilage template?
Intraosseous
En bloc
Intramembranous
Endochondral
Endosteum
What is the primary component of red marrow?
Hematopoietic tissue
Fat
Cartilage
Fibrous tissue
Bone
What cell is an immature bone cell?
Osteoclast
Osteon
Osteocyte
Osteoblast
Osteoid
What is bundle bone?
Cancellous bone
Compact bone
Dense bone
Spongy bone
Immature bone
What is cancellous bone?
Dense bone
Woven bone
Immature bone
Compact bone
Spongy bone
What cell is involved in laying down new bone?
Osteoclast
Osteon
Osteocyte
Osteoblast
Osteoid
What is in the bone matrix?
Elastic fibers
Collagen fibers
Reticular fibers
Dense irregular connective tissue
Dense regular connective tissue
What are the small tunnels seen in bone?
Canaliculi
Sharpey's fibers
Trabeculae
Trabeculae
Lacuna
What is the hollow area underneath an osteoclast called?
Space of Disse
Space of Mall
Vacuole
Lacuna
Howship's lacuna
What is the covering of a bone surface?
Perimysium
Periosteum
Perichondrium
Perineurium
Endosteum
What forms the articular surface on bones?
Spongy bone
Compact bone
Hyaline cartilage
Elastic cartilage
Fibrocartilage
What is the primary component of yellow marrow?
Hematopoietic tissue
Fat
Cartilage
Fibrous tissue
Bone
What is another term for the Haversian system?
Osteoclast
Osteon
Osteocyte
Osteoblast
Osteoid
What is nonlamellar bone?
Woven bone
Dense bone
Cancellous bone
Compact bone
Spongy bone
What is the mature bone cell called?
Osteoclast
Osteon
Osteocyte
Osteoblast
Osteoid
What is immature bone?
Dense bone
Woven bone
Cancellous bone
Compact bone
Spongy bone
What is unmineralized bone matrix?
Osteoclast
Osteon
Osteocyte
Osteoblast
Osteoid
What are the collagen fibers that extend into bone at an angle called?
Canaliculi
Sharpey's fibers
Trabeculae
Tome's process
Lacuna
Which cell is the mature bone cell?
Chondrocyte
Chondroblast
Osteocyte
Osteoclast
Bone lining cell
What is the lining of the inner bone on the side which abuts the medullary cavity?
Perimysium
Periosteum
Perichondrium
Perineurium
Endosteum
What forms the skeleton of the fetus?
Elastic cartilage
Hyaline cartilage
Fibrocartilage
Spongy bone
Compact bone
Which of the following is a multinucleated cell?
Osteoclast
Osteon
Osteocyte
Osteoblast
Osteoid
What is spongy bone
Immature bone
Compact bone
Cancellous bone
Dense bone
Woven bone
Which of the four basic tissue types does blood belong to?
Epithelium
Connective tissue
Muscle
Nervous tissue
Blood
Which of the following formed elements do not contain a nucleus?
Platelets
Erythrocytes
Leukocytes
Monocytes
Platelets and Erythrocytes
What comes from a megakaryocyte?
Lymphocytes
Basophils
Erythrocytes
Monocytes
Platelets
Which leukocyte is the most abundant in a peripheral smear of blood?
Lymphocytes
Basophils
Neutrophil
Monocytes
Eosinophils
Which of the following is not a granulocyte?
Lymphocytes
Neutrophil
PMN
Eosinophils
Basophils
Which of the following is a granulocyte?
Thrombocyte
Lymphocyte
Eosinophil
Monocyte
Erythrocyte
Which of the following is NOT a term used for a neutrophil?
Polymorphonuclear neutrophils
Poly's
PMN
NP
Polymorph
Which leukocyte has a multi-lobed (3-5 lobes) nucleus?
Neutrophil
Lymphocytes
Monocytes
Eosinophil
Basophils
Which cell has large blue granules, often obscuring the nucleus?
Neutrophil
Lymphocytes
Monocytes
Eosinophil
Basophils
Which of the following is not considered a "formed element"?
Plasma
Erythrocytes
Leukocytes
Platelets
Red blood cells
Which of the following is the most abundant in a peripheral smear of blood?
Neutrophils
Basophils
Erythrocytes
Leukocytes
Platelets
Which leukocyte is the least abundant in a peripheral smear of blood?
Lymphocytes
Basophils
Neutrophil
Monocytes
Eosinophils
Which of the following is not a granulocyte?
PMN
Basophils
Neutrophil
Monocytes
Eosinophils
Which of the following is a granulocyte?
Thrombocyte
Monocyte
Basophil
Erythrocyte
Lymphocyte
Which of the following is described as having a "central pallor"?
Leukocytes
Monocytes
Eosinophils
Platelets
Erythrocytes
Which is the smallest leukocyte?
Neutrophil
Lymphocytes
Monocytes
Eosinophil
Basophils
Which leukocyte usually has a bi-lobed nucleus?
Neutrophil
Lymphocytes
Monocytes
Eosinophil
What is the buffy coat?
Leukocytes
Platelets
Erythrocytes
Plasma
Leukocytes and Platelets
What is another term for a platelet?
Thrombocyte
Monocyte
Lymphocyte
Basophil
Erythrocyte
What is the connective tissue covering of a muscle fascicle?
Sarcolemma
Endomysium
Epimysium
Sarcoplasm
Perimysium
What is actin?
Myofilament
Myosin
Muscle fibers
Myofibrils
Myocardium
Which of the following is composed of smooth muscle?
Upper esophagus
Heart
Tongue
Biceps muscle
Walls of the visceral organs
What is a receptor in muscle?
Motor unit
Motor neuron
Motor end plate
Neuromuscular spindle
Neurotransmitter
Which fiber type is larger in diameter?
Red fibers
White fibers
Intermediate fibers
All of the above
None of the above
Which fiber type is make up fast-twitch muscle?
Red fibers
White fibers
Intermediate fibers
All of the above
None of the above
Which fiber type has more myoglobin?
Red fibers
White fibers
Intermediate fibers
All of the above
None of the above
Which fiber type gets its energy primarily from glycogen?
Red fibers
White fibers
Intermediate fibers
All of the above
None of the above
Which fiber type is seen in skeletal muscle?
Red fibers
White fibers
Intermediate fibers
All of the above
None of the above
What is line that bisects the dark band in striated muscle?
A band
I band
Z line
H band
M line
What is the outer connective tissue covering of a muscle?
Epimysium
Sarcoplasm
Perimysium
Sarcolemma
Endomysium
What is myosin?
Muscle fibers
Myofibrils
Myocardium
Myofilament
Where is cardiac muscle found?
Myofilaments
Myosin
Muscle fibers
Myofibrils
Myocardium
What type of muscle has visible cross striations?
Skeletal muscle
Cardiac muscle
Smooth muscle
Skeletal muscle and Cardiac muscle
Skeletal muscle, Cardiac muscle and Smooth muscle
What type of muscle is specialized for contraction?
Skeletal muscle
Cardiac muscle
Smooth muscle
Skeletal muscle and Cardiac muscle
Skeletal muscle, Cardiac muscle and Smooth muscle
What is released at a synapse?
Motor unit
Motor neuron
Motor end plate
Neuromuscular spindle
Neurotransmitter
Which muscle fiber type is more resistant to fatigue?
Red fibers
White fibers
Intermediate fibers
All of the above
None of the above
What region of a sarcomere is made of thin filaments?
A band
I band
Z line
H band
M line
On a cross section of a muscle, how many thin filaments surround each thick filament?
2
2
4
6
8
What is the plasma membrane of a muscle cell called?
Endomysium
Sarcolemma
Sarcoplasm
Perimysium
Epimysium
What are the thin filaments?
Myocardium
Myofibrils
Myofilaments
Muscle fibers
Myosin
Which of the following is composed of skeletal muscle?
Tongue
Blood vessel
Walls of the visceral organs
Lower esophagus
Heart
What type of muscle is composed of spindle shaped cells?
Skeletal muscle
Cardiac muscle
Smooth muscle
Skeletal muscle and Cardiac muscle
Skeletal muscle, Cardiac muscle and Smooth muscle
What type of muscle is always multinucleated?
Skeletal muscle
Cardiac muscle
Smooth muscle
Skeletal muscle and Cardiac muscle
Skeletal muscle, Cardiac muscle and Smooth muscle
Which fiber type is smaller in diameter?
Red fibers
White fibers
Intermediate fibers
All of the above
None of the above
Which fiber type fatigues more readily?
Red fibers
White fibers
Intermediate fibers
All of the above
None of the above
What is line that bisects the light band in muscle?
A band
I band
Z line
H band
H band
What is the name of the tissue which surrounds muscle fascicles?
Perimysium
Periosteum
Perichondrium
Perineurium
Endosteum
. What is the covering of an individual muscle fiber?
Sarcoplasm
Perimysium
Endomysium
Epimysium
Sarcolemma
What are the thick filaments composed of?
Myofilaments
Myosin
Muscle fibers
Myofibrils
Myocardium
Which of the following is composed of cardiac muscle?
Biceps muscle
Tongue
Heart
Upper esophagus
Walls of the visceral organs
What type of muscle contains centrally placed nuclei?
Smooth muscle
Cardiac muscle
Skeletal muscle
Smooth muscle, Cardiac muscle
Smooth muscle, Cardiac muscle and Skeletal muscle
What is the point that a neuron contacts a muscle called?
Motor unit
Motor neuron
Motor end plate
Neuromuscular spindle
Neurotransmitter
Which fiber type makes up slow-twitch muscle?
Red fibers
White fibers
Intermediate fibers
All of the above
None of the above
Which fiber type uses more anaerobic metabolism?
Red fibers
White fibers
Intermediate fibers
None of the above
What is the dark band in muscle?
A band
I band
M line
Z line
H band
What bisects the H band?
M line
E band
A band
I band
Z line
What type of muscle has intercalated discs?
Skeletal muscle
Cardiac muscle
Smooth muscle
Skeletal muscle, Cardiac muscle
Skeletal muscle, Cardiac muscle and Smooth muscle
What are the supporting cells in the central nervous system called?
Schwann cells
Basket cells
Ganglion
Neuroglia
Satellite cells
Which of the following is an element of the peripheral nervous system?
Receptors
Receptors
Ganglia
Sciatic nerve
All of the above
What are most neurons in the body?
Unipolar
Pseudounipolar
Bipolar
Multipolar
Unipolar, Pseudounipolar
What is the cell body of a neuron called?
Ganglion
Perikaryon
Astrocyte
Nissl
Terminal bouton
Which cell is a macrophage found in the central nervous system?
Kupffer cells
Histiocyte
Dust cell
Langerhans cell
Microglia
Which type of neuron is multipolar?
Motor neurons
Interneurons
Sensory neurons
Motor neurons and Interneurons
All of the above
What provides tensile strength to a neuron?
Meninges
Myelinated nerve fibers
Cell bodies
Nodes of Ranvier
Neurofilaments
Which meninx is made of a delicate web like connective tissue?
Dura mater
Arachnoid
Pia mater
All of the above
Dura mater and Arachnoid
What are the conglomerations of gray matter deep within the cerebrum and cerebellum called?
Tracts
Islets
Soma
Cortex
Nuclei
Which of the following is involved in the blood brain barrier?
Astrocytes
Ependymal cells
Oligodendrocytes
Microglia
Schwann cells
Which of the following forms myelin in the peripheral nervous system?
Schwann cells
Basket cells
Ganglion
Neuroglia
Satellite cells
Which of the following is an element of the central nervous system?
Receptors
Brachial plexus
Sciatic nerve
Ganglia
Spinal cord
What are motor neurons?
Unipolar
Pseudounipolar
Bipolar
Multipolar
Unipolar and Pseudounipolar
What is a collection of cell bodies outside the CNS called?
Ganglion
Perikaryon
Astrocyte
Nissl
Terminal bouton
What is tissue which surrounds a nerve fascicle?
Perimysium
Periosteum
Perichondrium
Perineurium
Endosteum
The colloquialism "gray matter" refers to somebody using his intellect or reasoning ability. In reality, what is gray matter?
Meninges
Myelinated nerve fibers
Cell bodies
Nodes of Ranvier
Neurofilaments
Where is the cerebrospinal fluid?
Between the dura mater and bone
Subdural space
Subarachnoid space
Between the pia mater and brain
None of the above
Which of the following are considered to be part of the meninges?
Dura mater
Arachnoid
Pia mater
Both a and c
All of the above
What is the outer gray matter of the brain called?
Tracts
Islets
Soma
Cortex
Nuclei
Which of the following is the most abundant neuroglia cell?
Astrocytes
Ependymal cells
Oligodendrocytes
Microglia
Schwann cells
Which of the following is a supporting cell found in the ganglia?
Schwann cells
Basket cells
Ganglion
Neuroglia
Satellite cells
Which of the following is an element of the central nervous system?
Receptors
Brachial plexus
Brain
Ganglia
Sciatic nerve
What are interneurons?
Unipolar
Pseudounipolar
Bipolar
Multipolar
Unipolar and Pseudounipolar
Which of the following is supporting cell of the central nervous system?
Ganglion
Perikaryon
Astrocyte
Nissl
Terminal bouton
What are the gaps that occur within the myelin sheath?
Meninges
Myelinated nerve fibers
Cell bodies
Nodes of Ranvier
Neurofilaments
What is the dura mater composed of?
Loose irregular connective tissue
Dense irregular connective tissue
Dense regular connective tissue
Simple squamous epithelium
Nervous tissue
Where is gray matter?
Outer surface of the cerebrum and cerebellum
Outer surface of the spinal cord
Inner portion of the spinal cord
Outer surface of the cerebrum and cerebellum and Outer surface of the spinal cord
Outer surface of the cerebrum and cerebellum and Inner portion of the spinal cord
What surrounds a nerve?
Neurium
Perineurium
Epineurium
Endoneurium
None of the above
Which of the following lines the ventricles?
Astrocytes
Ependymal cells
Oligodendrocytes
Microglia
What isBasket cells a collection of nerve cell bodies outside of the central nervous system called?
Schwann cells
Basket cells
Ganglion
Neuroglia
Satellite cells
Which meninge is made of a dense irregular connective tissue?
Dura mater
Arachnoid
Pia mater
Dura mater and Arachnoid
All of the above
What are sensory neurons?
Unipolar
Pseudounipolar
Bipolar
Multipolar
Unipolar and Pseudounipolar
What is the end of an axon called?
Ganglion
Perikaryon
Astrocyte
Nissl
What is the connective tissue covering around the brain and spinal cord?
Terminal bouton
What is the connective tissue covering around the brain and spinal cord?
Meninges
Myelinated nerve fibers
Cell bodies
Nodes of Ranvier
Neurofilaments
What is a group of fibers traveling together?
Tracts
Islets
Soma
Cortex
Nuclei
Where is white matter?
Outer surface of the cerebrum and cerebellum
Outer surface of the spinal cord
Inner portion of the brain
Outer surface of the cerebrum and cerebellum and Outer surface of the spinal cord
Outer surface of the spinal cord and Inner portion of the brain
Which of the following forms myelin in the central nervous system?
Astrocytes
Ependymal cells
Oligodendrocytes
Microglia
Schwann cells
What is the primary component of myelin?
Amino acids
Protein
Carbohydrate
Lipid
Both b and c Amino acids, Protein, Carbohydrate
Which type(s) of muscle tissue visible striations and intercalated discs?
Both skeletal and cardiac muscle
Cardiac muscle only
Both skeletal and smooth muscle
Skeletal muscle only
Smooth muscle only
A goblet cell is best described as a(n)
Multicellular exocrine gland.
Unicellular endocrine gland.
Multicellular endocrine gland.
Apocrine gland.
Unicellular exocrine gland.
Lymphoidal organs are composed primarily of
Reticular connective tissue.
Dense regular connective tissue.
Dense irregular connective tissue.
Pseudostratified columnar epithelium.
Adipose tissue.
Which type of tissue transmits electrical signals?
Muscle tissue
Epithelial membrane
Connective tissue
Nervous tissue
Epithelial tissue
The matrix of blood is composed of
White blood cells only.
Red blood cells, white blood cells, and platelets.
Platelets only.
Red blood cells only.
Plasma only.
Which of the following structures is not composed of hyaline cartilage?
Ear
Embryonic skeleton
Costal cartilage
Nose
Ends of long bones
Which of the following tissue types is avascular?
Reticular connective tissue
Cartilage
Bone
Blood
Adipose tissue
Your skin consists of
Nonkeratinized simple epithelium
Keratinized simple epithelium
Nonkeratinized stratified epithelium
Keratinized stratified epithelium
Nonkeratinized pseudostratified epithelium
The basement membrane in connective tissue is made up of
Basal lamina only.
Reticular lamina only.
Basal lamina and lamina propria.
Lamina propria only.
Basal lamina and reticular lamina.
The basement membrane in connective tissue is made up of
Basal lamina only.
Reticular lamina only.
Basal lamina and lamina propria.
Lamina propria only.
Basal lamina and reticular lamina.
Intervertebral discs are composed of
Dense irregular connective tissue.
Dense regular connective tissue.
Fibrocartilage.
Elastic cartilage.
Hyaline cartilage.
If a sample of epithelial tissue has many cell layers and those cells are flat, the sample is most likely from
Simple squamous epithelium.
Simple columnar epithelium.
Stratified columnar epithelium.
Stratified squamous epithelium.
Stratified cuboidal epithelium.
Chondrocytes are present in?
Blood.
Bone.
Hylaline cartilage.
Mesenchyme.
Adipose tissue.
Which type of cell is found in the bone matrix?
Fibroblast
Hemocytoblast
Hematopoietic stem cell
Osteoblast
Chondroblas
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