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1. Which of the following best defines epithelial tissue?
Anonymous Quiz
12%
A. Tissue rich in extracellular matrix
8%
B. Tissue composed of loosely arranged cells
74%
C. Tissue made of tightly packed cells with minimal intercellular substance
5%
D. Tissue always containing blood vessels
β€7
The apical surface of epithelial cells faces:
Anonymous Quiz
6%
A. Blood vessels
15%
B. Basement membrane
8%
C. Connective tissue
71%
D. Free surface or lumen
β€4
Which germ layer gives rise to the epidermis of the skin?
Anonymous Quiz
18%
A. Mesoderm
22%
B. Endoderm
57%
C. Ectoderm
3%
D. Neural crest
β€7
Which of the following is NOT a function of epithelial tissue?
Anonymous Quiz
7%
A. Absorption
7%
B. Secretion
6%
C. Protection
80%
D. Conduction of nerve impulses
β€5
Regeneration in epithelial tissue is possible mainly because:
Anonymous Quiz
7%
A. Presence of blood vessels
56%
B. High mitotic activity
25%
C. Thick basement membrane
12%
D. Rich ECM
β€7
Connective tissue is mainly characterized by:
Anonymous Quiz
13%
A. Abundant cells
70%
B. Abundant extracellular matrix
6%
C. Absence of fibers
11%
D. Lack of blood supply
β€5
All connective tissues originate embryologically from:
Anonymous Quiz
6%
A. Ectoderm
11%
B. Endoderm
77%
C. Mesenchyme
5%
D. Epithelium
β€4
White adipose tissue cells are characterized by:
Anonymous Quiz
21%
A. Multiple small lipid droplets
7%
B. Central nucleus
65%
C. Single large lipid droplet
8%
D. Abundant mitochondria
β€4
Osteogenesis imperfecta is due to a defect in:
Anonymous Quiz
24%
A. Type II collagen
11%
B. Type III collagen
58%
C. Type I collagen
7%
D. Type IV collagen
β€4
In apocrine excretion, the secretory product is
eliminated:
eliminated:
Anonymous Quiz
5%
A. Along with the entire glandular cell.
70%
B. With the apical pole of the glandular cell.
11%
C. Simply by exocytosis.
9%
D. With the basal pole of the cell.
5%
E. Along with goblet cells.
β€4
Regarding skeletal striated muscle?
Anonymous Quiz
65%
A. Multinucleated muscle fibers are found.
16%
B. Primary muscle fascicles are surrounded by epimysium.
11%
C. Satellite cells provide muscle protection.
7%
D. Muscle fibers are poor in myoglobin.
β€5
During a blood sampling, blood is composed of:
Anonymous Quiz
7%
Collagen and elastic fibers.
88%
55% plasma and 45% formed elements of blood.
2%
Chondrocytes and chondroblasts.
3%
Lipofuscin granules.
β€5
. About bone tissue:
Anonymous Quiz
29%
A. Endochondral (intramembranous) ossification leads to the formation of reticular bone tissue.
33%
B. During secondary diaphyseal ossification, primary bone is replaced by spongy bone tissue.
38%
C. Primary endochondral ossification leads to the formation of lamellar bone tissue.
β€5
Regarding skeletal striated muscle?
Anonymous Quiz
65%
A. Multinucleated muscle fibers are found.
16%
B. Primary muscle fascicles are surrounded by epimysium.
11%
C. Satellite cells provide muscle protection.
7%
D. Muscle fibers are poor in myoglobin.
β€5
During a blood sampling, blood is composed of:
Anonymous Quiz
7%
Collagen and elastic fibers.
88%
55% plasma and 45% formed elements of blood.
2%
Chondrocytes and chondroblasts.
3%
Lipofuscin granules.
β€5