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Home >> Physiology >> Gastrointestinal Physiology >> Mcqs Page 2

(Single Best Answer) Question 11: Enzyme not stable at acidic pH are all except ?

A) Trypsin
B) Chymotrypsin
C) Pepsin
D) Carboxypeptidase
Answer (Select an option above to get the answer):

(Single Best Answer) Question 12: Which of the following secretions has a very high pH ?

A) Gastric juice
B) Pancreatic juice
C) Bile in gall bladder
D) Saliva
Answer (Select an option above to get the answer):

(Single Best Answer) Question 13: The mechanism that protects normal pancreas from autodigestion is ?

A) Secretion of bicarbonate
B) Protease inhibitors present in plasma
C) Proteolytic enzymes secreted in inactive form
D) The resistance of pancreatic cells
Answer (Select an option above to get the answer):

(Single Best Answer) Question 14: Brunner's glands are found in the mucosa of ?

A) Colon
B) Duodenum
C) Esophagus
D) Stomach
Answer (Select an option above to get the answer):

(Single Best Answer) Question 15: What produced by the stomach has a role in control of food intake ?

A) Ghrelin
B) IGF-1
C) Orexin
D) CCK
Answer (Select an option above to get the answer):

(Single Best Answer) Question 16: Which of the following is false regarding Neuropeptide Y ?

A) It is a polypeptide
B) It decreases thermogenesis
C) Its level is decreased in starvation
D) Molecular weight is
Answer (Select an option above to get the answer):

(Single Best Answer) Question 17: The important physiological function of bile acids is ?

A) They facilitate the absorption of dietary fats
B) They conjugate with toxic substances, and thus facilitate their excretion
C) They facilitate the excretion of breakdown products of haemoglobin
D) They facilitate the absorption of vitamin B₁₂
Answer (Select an option above to get the answer):