Top 50+ Solved GI-Digestion-Absorption-Metabolism MCQ Questions Answer

From 1 to 15 of 30

Q. Vitamins co-transported with Na+ include all EXCEPT:

a. thiamine

b. folate

c. niacin

d. riboflavin

e. pyridoxine

  • b. folate

Q. Fat soluble vitamins include all EXCEPT:

a. vitamin A

b. vitamin C

c. vitamin D

d. vitamin E

e. vitamin K

  • b. vitamin C

Q. The largest daily volume of secretions in the GIT originates in the:

a. salivary glands

b. stomach

c. gallbladder (bile)

d. pancreas

e. intestine

  • b. stomach

Q. Iron:

a. most dietary iron is in the ferrous state

b. most iron is absorbed in the upper small intestine

c. a ferritin micelle contains 1,000 atoms of iron

d. 90% of body iron is in haemoglobin

e. 10% of dietary iron is normally absorbed

  • b. most iron is absorbed in the upper small intestine

Q. Ketone bodies:

a. are not formed under normal conditions

b. are all moderately strong acids

c. are formed when intracellular glucose is deficient

d. are easily metabolised in the liver

e. all of the above

  • c. are formed when intracellular glucose is deficient

Q. Creatinuria can occur in all EXCEPT:

a. healthy children

b. pregnant women

c. starvation

d. hypothyroidism

e. poorly controlled diabetes mellitus

  • d. hypothyroidism

Q. Cations in normal (fasting) gastric juice include all EXCEPT:

a. Na+

b. Ca++

c. K+

d. Mg++

e. H+

  • b. Ca++

Q. Human hepatic bile (hepatic bile duct) is largely:

a. water

b. bile salts

c. bile pigment

d. cholesterol

e. lecithin

  • a. water

Q. The nutritionally essential amino acids include:

a. alanine

b. cysteine

c. tyrosine

d. methionine

e. glutamine

  • d. methionine

Q. The largest glycogen store in the adult body is in the:

a. liver

b. spleen

c. muscle

d. pancreas

e. circulating red cell mass

  • c. muscle

Q. TSH secretion is stimulated by:

a. dopamine

b. somatostatin

c. cold temperatures

d. stress

e. glucocorticoids

  • c. cold temperatures

Q. Thyroxine (T4) has greater affinity for:

a. thyroxine-binding globulin

b. transthyretin

c. thyroxine-binding pre-albumin

d. albumin

e. triiodothyronine

  • a. thyroxine-binding globulin

Q. GLUT is an example of:

a. simple diffusion

b. facilitated diffusion

c. primary active transport

d. secondary active transport

e. endocytosis

  • b. facilitated diffusion

Q. The most common cell type of the endocrine pancreas is:

a. A cells

b. B cells

c. C cells

d. D cells

e. F cells

  • b. B cells

Q. Both insulin and somatostatin:

a. are released from extra-pancreatic sites

b. receptors are linked to G proteins

c. inhibit release of glucagon

d. cause K+ uptake by cells

e. are polypeptides containing two chains linked by disulphide bonds

  • c. inhibit release of glucagon
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