3. Each of the following statements concerning the basement membrane is true,
EXCEPT:
A
– separates epithelium from the underlying connective tissue; B – is absent in some
epithelia; C
– contains type lV collagen and laminin; D – serves for epithelial cell
attachment; E
– takes part in nutrition of epithelium.
4. The cardinal features of the epithelia are as follows, EXCEPT:
A
– form the stroma of organs; B – look like sheets; C – are derived from all germ layers;
D
– regenerate intensively; E– their cells are polarized.
5. The epithelia are simple if:
A
– their cells are polarized; B – their cells form sheets; C – all their cells rest on the
basement membrane; D
– not all their cells reach the apical surface; E – their cells are
continuously sloughed.
6. The epithelia are stratified if:
A
– their cells are continuously sloughed; B – their cells form sheets; C – their cells are
polarized; D
– all their cells can divide; E – not all their cells are in contact with the
basement membrane.
7. Each of the following statements concerning the stratified squamous
nonkeratinized epithelium is true, EXCEPT:
A
– contains the spinulate cell layer; B – contains the basal layer with stem cells; C –
contains the superficial layer of flat anucleate cells; D
– its superficial cells are
continuously sloughed; E
– lines the oral cavity, the esophagus, the rectum, and the
vagina.
8. Each of the following statements concerning the stratified transitional epithelium
is true, EXCEPT:
A
– is capable of keratinization; B – consists of the basal, intermediate, and superficial
layers; C
– changes the number of its layers, depending on the degree of stretching; D –
its superficial cells are dome-shaped; E
– lines the urinary system organs.
9. The criteria of the exocrine gland classification are as follows, EXCEPT:
A
– branching of the duct; B – the number of secretory portions; C – the shape of secretory
portions; D
– contact of cells with the basement membrane; E – the mode of secretion.
10. Each of the following statements concerning a compound branched
tubuloalveolar gland is true, EXCEPT:
A
– its duct branches; B – its secretory portions are numerous; C – it has one secretory
portion; D
– its secretory portions may be flask-like; E – its secretory portions may be tube-
like.
Directions
: one or more of the given statements or completions is/are correct. Choose the
answer: A
– if only 1,2, and 3 are correct; B – if only 1 and 3 are correct; C – if only 2 and
4 are correct; D
– if only 4 is correct; E – if all are correct.
11. The following characteristics of the epithelia are true:
(1) line internal and cover external body surfaces (2) are avascular (3) rest on the
basement membrane (4) abound in the extracellular substance
12. The following statements regarding the stratified squamous keratinized
epithelium are true:
(1) its basement membrane is sinuous (2) covers the skin (3) its basal layer contains stem
cells (4) its superficial cells are flat and anucleate
13. The stratified squamous keratinized epithelium from the thin skin in comparison
with the same epithelium from the thick skin is characterized by the following:
(1) lacks the stratum lucidum (2) contains the poor-developed stratum granulosum (3)
contains the thin stratum corneum (4) lacks the stratum spinosum
14. The epithelia are specialized for the following functions: