A&P Exam 2
A&P Exam 2: Skin and Bone Quiz
Test your knowledge of anatomy and physiology with our comprehensive quiz focusing on skin, bones, and supporting structures. This quiz contains 50 multiple-choice questions designed for students, educators, and anyone interested in the complexities of the human body.
Get ready to explore:
- Fun
ctions of skin and its layers - Characteristics of bones and their structures
- Joint movements and classifications
Which of the following functions is associated with the skin?
Fat production
Protection against infrared radiation of the sun
Regulation of body pH
Vitamin D production
Which structural protein is most abundant in nails, hair, and the epidermis?
Collagen
Elastin
Keratin
Melanin
Which layer of the skin consists primarily of dense irregular fibrous tissue?
Epidermis
Reticular layer
Papillary layer
Hypodermis
An expanded knob at the base of the hair root is the
Shaft
Root
Hair bulb
Medulla
Eccrine sweat glands
Produce a secretion that oils the hair and skin
Aid in cooling the body
Produce a secretion that protects the body from growth of bacteria
Are not involved in the homeostasis of body temperature
Ligaments attach:
Muscle to muscle
Bone to bone
Muscle to bone
Never to bone
The outer surface of the hair is called the
Shaft
Cuticle
Medulla
Root
Which of the following is NOT a function of bone
Support
Movement
Immunity
Calcium storage
Which of the following is a long bone?
Sternum
Clavicle
Calcaneus
Tibia
Collagen and calcium hydroxyapatite are the primary constituents of:
Bone matrix
Hyaline cartilage
Fibrous cartilage
Ligaments
The cell type that is responsible for maintaining bone once it has been formed is the
Osteoclast
Osteoblast
Chondrocyte
Osteocyte
Lamellar bone:
Has its collagen fibers randomly oriented
Has a porous appereance
Is organized into multiple thin sheets
Is very light weight
The foramen magnum is a very large opening in the base of the skull for the:
Optic nerve
Carotid arteries
Internal jugular veins
Spinal cord
Long bones grow longer by depositing bone tissue in:
Apiphyses
Endosteum
Epiphyseal
Medullary cavity
Which of the following parts of a rib articulates with the body of a vertabrea
Head
Neck
Body
Tubercle
Rotating the forearm so that the palm faces posteriorly is called:
Circumduction
Rotation
Pronation
Supination
Which of the follwing statements concerning the epidermis is true?
The dermis is superficial to the edermis
The epidermis contains numerous blood vessels
The epidermis is nourished by blood vessels located in the dermis
The most numerous cells in the epidermis are the melanocytes
Where on the body would one find all five layers of the epidermis
Buttocks
Forearm
Scalp
Sole of the foot
What is the function of yellow marrow in the medullary cavity of long bones
Manufacture blood cells
Make vitamin D
Store adipose tissue
Store bone-forming matrix
The primary function of osteoblasts is to:
Prevent osteocytes form forming
Reabsorb bone along the epiphyseal plate
Inhibit the growth of bone
Lay down bone matrix
What crainial bone forms the bony eyebrown ridges and roofs of the orbits?
Macilla
Zygomatic
Frontal
Sphenoid
Interconnecting rods of bone in spongy bone are
Lamellae
Lacunae
Canaliculi
Trabeculae
What type of tissue covers the ends of long bones?
Articular cartilage
Periosteum
Fibrocartilage
Cancellous bone
Which of the following is a function of the vertebral column?
It supports the weight of the body
It allows spinal nerves to exit the spinal cord
It contains numerous formanina for the passageway of blood vessels
It protects the brain
Haversian systems or osteons:
Are found in spongy bone tissue
Lack concentric lamellae
Are the basic units in compact bone tissue
Do not contain osteocytes
Most of the joints in the appendicular skeleton are ____ joints.
Fibrous
Immovable
Synovial
Cartilaginous
Which of the following movements does not occur at the knee joint?
Flexion
Roation
Abduction
Extension
The type of movement between carpal bones is described as:
Pivot
Adduction
Extension
Gliding
The joint capsule of a synovial joint:
Is a double layer of tissue that encloses a joint
Is a thin lubricating film covering the surface of a joint
Have the joint everywhere except over the articular cartilage
Is a layer of tissue that is continuous with the periostum
Which of the following pairs of terms are opposites?
Plantar flexion-extention
Abduction-extention
Protraction-retraction
Pronation-rotation
Ossification that involves replacing cartilage with bone is:
Intramembranous
Endochondral
Interstitial
Appositional
Chondroblasts produce:
Ligaments
Cartilage matrix
Bone tissue
Blood cells
Body odor results form the secretion from:
Eccrine sweat glands
Approcine sweat glands
Sebaceous glands
Ceruminous glands
Which of the following facial bones is correctly matched with its function?
Maxilla- possesses sockets for teeth
Vomer- forms hard palate
Inferior nasal conchae- contain nasolacrimal canals
Temporal- part of the orbit
Which of the following is part of the axial skeleton?
Clavicle
Radius
Rib
Scapula
Which of the following is found inferior to the maxilla and has a posterior articulation with the temporal bone?
Zygomatic
Sphenoid
Parietal
Mandible
The first cervical vertebrae is the :
Occipital
Axis
Atlas
Parietal
The layer of epidermis that undergoes mitosis and forms new epidermal cells is the:
Stratum grandulosum
Stratum lucidum
Stratum corneum
Stratum basale
Skin color is largerly the result of the
Quantity of melanin in the skin
Number of keratinocytes in the skin
Thickness of the stratum basale
Number of melanocytes in the skin
The sagittal suture is between the
Scrum and coxa
Two pubic bones
Frontal and parietal
Two parietal bones
The humerus articulates with the radius at the
Trochlea
Lateral epicondyle
Capitulum
Radial fossa
The medial malleolus:
Is the proximal portion of the tibia
Forms the medial side of the ankle joint
Articulates with the calcaneus
Is on the lateral side of the leg
Joints that have no joint cavity and exhibit little or no movement are classified as
Fibrous
Synovial joint
Either cartilage or fibrous
Cartilaginous joints
The pubic symphysis is between the
Sacrum and pelvic bone
Two pubic bones
Atlas and axis
Two parietal bones
A pivot joint:
Is a modified ball and socket joint
Restricts movement form rotation
Is a biaxial joint
Is between the atlas and the occipital bone
Cartilaginous joints:
Are common in the skull
Unite two bones by means of fibrocartilage or hyaline cartilage
Allow the move movement between bones
Are not found in the pelvic region
Which layer of the skin consists primarily of areolar and/or adipose tissue
Epidermis
Reticular layer
Papillary layer
Hypodermis
Nails are derivatives of which layer of the skin?
Epidermis
Dermis
Hypodermis
None of the above
Transverse foramina are found in ____ vertabrea.
Cervical
Thoracic
Lumbar
Sacral
Which type of vertebra does not bear ribs, lacks transverse foramina, and does not fuse together
Cervical
Coccygeal
Lumbar
Sacral
Thoracic
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