Histology 2
Histology Exploration Quiz
Test your knowledge in histology with our comprehensive quiz covering various topics, including mesenchyme, somitogenesis, muscle tissues, and more. This quiz is designed for students, educators, and anyone interested in delving deeper into the fascinating world of histological science.
- 25 engaging questions
- Multiple-choice format
- Assess your understanding of key concepts
What is true about the mesenchyme?
Is derived from mesoderm
Is located between the ectoderm and endoderm
Is located between the mesenchyme and endoderm
Is called the 4th germ layer
What is true about somitogenesis
It happens before the initiation of neurulation
It begins at the beginning of the 3rd month of prenatal life
It occurs after the initiation of neurulation
Starts at the beginning of the 3rd week of prenatal life
What is true about dermatome
Is the structure located closer to the neutral tube in embryo
Dermatome progenitors together with cells from the lateral mesoderm will form a dermis
Dermatome cells are differentiated from myotome
Dermatome cells are differentiated from dermomyotome
What is true about the dermomyotome
It is a ventral medial part of the somite
Is also called lateral mesoderm
It is a dorsolateral part of the somite
It’s cells can’t migrate
What is true about the mesoderm
Is located between the mesenchyme and endoderm
Is called 4th germ layer
Is located above the ectoderm
Is one of the three germ layers
Which of the sentence/s about cartilage is/are true
Epiphyseal plates are the hyaline cartilage structures needed for long bones growth
Hyaline cartilage forms the temporal skeleton
Is well vascularized
Is a vascular ( without blood vessels) tissue
Which of the phrase/s concerning osteoclasts is/are true
To its differentiation needs RANKl
Produces cathepsin k
Pumping protons into resorption cavity of bone
Arises from monocytes
What is true about perimysium
It surround the whole muscle
It contain blood vessels
It surround every single muscle fiber
It surrounds a bundle of fibers
What is true about sarcomeres
In smooth muscle sarcomeres are arranged in myofibrils
Are typical for smooth muscles
Contains Z line + ½ I band + A band + ½ I band + Z line
Are present only in smooth muscles
What is true about the skeletal muscle
Actin-myosin binding is triggered by interaction of Ca2+ with troponin subunit C
Phosphorylation of MLCK is responsible for binding actin and myosin
T-tubules are present in the center of the triads
- T-tubules are absent
Which statement regarding epithelium is correct
During the skeletal muscles contraction sarcomeres retain their original length
During the skeletal muscles contraction energy is released from ATP
During the skeletal muscles contraction calcium ions bind to the calmodulin
To trigger a muscle contraction, calcium has to bind to myosin in smooth, skeletal and cardiac muscle cells
Which statement regarding glands is correct
Goblet cell is unicellular gland
Holocrine is sebaceous gland
Salivary glands are always seromucous
Exocrine derive from the epithelium
Which features are typical for epithelium/epithelial cells
Location on the basement membrane/basal lamina
No possibility to regeneration
Polarity
Vascularization
Which statement about holocrine secretion is true
It is also called merocrine secretion
It is characteristic for the sebaceous glands
It consists in turning the entire cell into secretion and its excretion
It is characteristic for the salivary glands
Which of cells located in the connective tissue do originate from the bone marrow
Mast cells
Adipocytes
Fibrocytes
Histiocytes
Which statement regrading synthesis of collagen fibers is correct
Procollagen is precursor for tropollagen
Hydroxylation of proline and lysine is within intracellular environment
Glycosylation of hydroxlysine is within extracellular environment
Hydroxylation of proline and lysine is within extracellular environment
What is true about the dermatome
Is a structure located closer to the ectoderm in developing embryo
It will soon contribute to the development of the skeletal muscles
Dermatome progenitors together with cells from the lateral mesoderm will form an epidermis
Dermatome cells are differentiated from dermomyotome
What is true about somites
They develop from cranial towards the caudal region
They are blocks (segments) of the paraxial mesoderm
None of them disappear
They appear between the 20th and 35th day of prenatal life
Which statement regarding synthesis of collagen fibers are correct
Hydroxylation of proline and lysine is within extracellular environment
Procollagen is precursor for tropocollagen
Hydroxylation of proline and lysine is within intracellular enviorment
Co-factors: O2, Fe, vit. C are needed for the hydroxylation of proline and lysine
Which features are characteristic for multiocular adipose tissue
In human the tissue is important mainly in the first postnatal life
In human newborn the multiocular adipose tissue continues 50% of the body weight
One large, lipid droplet
Many large, lipid droplets
Is it true that osteogenesis
Is the bone development process
During intramembraneous ossification the epiphyseal cartilages are formed
It could be said that bony collar formation is a kind of intramembranous ossification
Could happen thanks intramembranous ossification
What is the characteristic function of mast cells
Influence permeability of blood vessels
Their histamine acts as an anticoagulant
Synthesis if IgE
They produce elestic fibers
Their surface contains receptors for IgE
Storing chemical mediators in granules
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