9. Each of the following statements concerning the intercalated ducts of the salivary
glands is true, EXCEPT:
A
– are lined with columnar cells possessing basal striations; B – secrete bicarbonate ions
into the acinar product; C
– absorb chloride ions from the acinar product; D – are most
prominent in serous salivary glands; E
– are short and difficult to identify in mucus salivary
glands.
10. Each of the following statements concerning the esophageal glands is true,
EXCEPT:
A
– esophageal glands proper occur in the submucosa; B – esophageal glands proper are
compound tubuloalveolar ones; C
– produce serous secretion; D – esophageal cardiac
glands occur in the mucosal lamina propria; E
– esophageal cardiac glands are present in
the proximal and terminal portions of the organ.
11. Each of the following statements concerning the esophageal muscularis externa
is true, EXCEPT:
A
– consists of two muscle layers; B – contains striated muscles in the upper third; C –
contains striated and smooth muscles in the middle third; D
– contains only smooth
muscles in the distal third; E
– lacks myenteric plexus.
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.
12. The mucosa of the alimentary canal consists of:
(1) lining epithelium (2) lamina propria from connective tissue (3) muscularis mucosae
from smooth muscles (4) muscularis mucosae from striated muscles
13. The following statements regarding the submucosa of the alimentary canal are
true:
(1) consists of connective tissue (2) contains blood vessels (3) contains nerve plexus (4)
may contain glands
14. The submucosa of the alimentary canal contains glands in the following organs:
(1) large intestine (2) esophagus (3) stomach (4) duodenum
15. The adventitia of the alimentary canal is composed of:
(1) connective tissue (2) mesothelium (3) blood vessels and nerves (4) striated muscles
16. The following statements regarding the serosa of the alimentary canal are true:
(1) is equivalent to the visceral peritoneum (2) includes connective tissue (3) is covered
with mesothelium (4) contains blood vessels and nerves
17. The following statements regarding the dorsal surface of the tongue are true:
(1) its mucosa forms papillae (2) its papillary epithelium contains taste buds (3) its
epithelium covering filiform papillae is keratinized (4) possesses the submucosa
18. The following statements regarding the lower surface of the tongue are true:
(1) its mucosa forms papillae (2) its epithelium is keratinized (3) its epithelium contains
taste buds (4) possesses the submucosa
19. The following statements regarding the serous acini of the salivary glands are
true:
(1) are spherical (2) serous cells are high (3) cell cytoplasm is basophilic due to numerous
ribosomes (4) their lumen is narrow and not conspicuous
20. The following statements regarding the mucous acini of the salivary glands are
true:
(1) are large and oval (2) mucous cells are deep basophilic due to numerous ribosomes
(3) mucous cells are light due to mucinogen granules (4) mucous cells are characterized
by basal striations
21. The distinctive feature of the mixed acini of the salivary gland is the presence of: