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.
14. The extensive development of GALT in the large intestine wall reflects the
presence in its lumen of:
(1) mucus (2) a large number and a variety of microorganisms (3) chyle (4) noxious and
metabolic products
15. The principal functions of the large intestine are as follows:
(1) absorption of electrolytes and water (2) digestion of proteins and lipids (3) formation of
feces (4) absorption of amino acids, glycerol, and fatty acids
16. The following statements regarding the liver portal system are true:
(1) the portal vein carries venous blood from the digestive tube, the pancreas, and the
spleen (2) portal blood contains nutrients and noxious materials from the intestine (3)
portal blood contains products of the blood cell breakdown from the spleen (4) hepatocytes
convert toxic substances to harmless ones
17. The liver blood capillaries are:
(1) continuous (2) discontinuous (3) fenestrated (4) sinusoids
18. The hepatic sinusoid wall contains the following cells:
(1) endothelium (2) hepatocytes (3) stellate macrophages (4) centroacinar
19. The following statements regarding the portal hepatic lobule are true:
(1) is a triangular block of tissue (2) the triad is its centre (3) three central veins are at its
angles (4) is a diamond-shaped block of tissue
20. The following statements regarding the hepatic acinus are true:
(1) is a diamond-shaped block of tissue (2) its short axis is between two triads (3) its long
axis is between two central veins (4) the sublobular vein is its centre
21. The following statements regarding the Kupffer cells of the liver are true:
(1) are stellate macrophages (2) are located in the hepatic sinusoid wall (3) belong to the
mononuclear phagocytic system (4) arise from blood monocytes
22. The following statements regarding the hepatic plates are true:
(1) consist of two hepatocyte rows (2) bile canaliculi (capillaries) are between two cell rows
(3) are separated by the blood sinusoids (4) hepatocyte junctions isolate the bile canaliculi
23. The following statements regarding the lipocytes of the liver are true:
(1) are the storage site for vitamin A (2) resemble fibroblasts and secrete reticular fibres
(3) their broad basal portion faces the space of Disse (4) their narrow apical portion takes
part in bile production
24. The following statements regarding the hepatocyte polarization are true:
(1) the vascular hepatocyte pole faces the perisinusoidal space (2) the vascular pole is
involved in the exocrine function (3) the biliar hepatocyte pole faces the bile canaliculi (4)
the biliar pole is involved in the endocrine function
25. The endocrine hepatocyte function includes the secretion into the blood the
following
substances:
(1) albumins and nonimmune globulins (2) prothrombin and fibrinogen (3) cholesterol (4)
glucose released by hydrolysis of glycogen
26. The centroacinar cells from the pancreas belong to:
(1) acinus (2) interlobular duct (3) intralobular duct (4) intercalated duct
27. The following statements regarding the pancreatic duct system are true:
(1) is short (2) includes intercalated, intralobular, and interlobular ducts (3) the ducts are
lined with the cuboidal or columnar epithelium (4) the duct cells are not involved in the
secretion production
28. The following statements regarding the pancreatic endocrine cells are true:
(1) A cells secrete glucagon (2) B cells secrete insulin (3) D cells secrete somatostatin (4)
are adenohypophysis-dependent cells