Human Physiology Questions and Answers – Digestion – Stomach

This set of Human Physiology Multiple Choice Questions & Answers (MCQs) focuses on “Digestion – Stomach”.

1. Which of the following cells produces HCL?
a) Beta cells
b) Oxyntic cells
c) Chief cells
d) Alpha cells
View Answer

Answer: b
Explanation: Oxyntic cells are also known as parietal cells. They are located in the gastric glands found in the lining of the fundus and in the body of the stomach.

2. The gastric juice contains _________
a) Trypsin, pepsin, lipase
b) Pepsin, lipase, rennin
c) Pepsin, amylase, trypsin
d) Trypsin, pepsin, rennin
View Answer

Answer: b
Explanation: The gastric juice contains Pepsin, lipase, rennin. They are the enzymes which help in breaking down of food.

3. Digestion of protein is completed in _________
a) Stomach
b) Ileum
c) Duodenum
d) Duodenum and Ileum
View Answer

Answer: c
Explanation: Digestion of protein is completed in Duodenum. Duodenum is the part of small intestine. Different enzymes act on food so that it gets digested.
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4. Enzyme rennin is secreted by _________
a) Stomach
b) Liver
c) Kidney
d) Pancreas
View Answer

Answer: a
Explanation: Rennin is the enzyme secreted by stomach. It helps in the digestion of milk.

5. Jaundice is the disorder of ______________
a) Excretory system
b) Digestive system
c) Circulatory system
d) Skin and eyes
View Answer

Answer: b
Explanation: Jaundice is the disorder of the digestive system. Jaundice occurs when there is too much bilirubin in the system.
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6. Which of the following converts pepsinogen to the active form of pepsin in the stomach?
a) Mucus
b) Gastrin
c) HCL
d) Chef cells
View Answer

Answer: c
Explanation: Hcl present in the stomach converts inactive pepsinogen into active pepsin. It helps in the digestion of proteins.

7. Secretion of Gastric juice is stimulated by?
a) Gastrin
b) Cholecystokinin
c) Enterogastrin
d) Pepsin
View Answer

Answer: a
Explanation: Gastrin stimulates secretion of gastric juice. It is a peptide hormone. It is released by G cells in pyloric antrum of the stomach.
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8. Obesity is defined as a body weight of more than 20% above the ideal weight.
a) True
b) False
View Answer

Answer: a
Explanation: Obesity is a disorder involving excessive body fat that increased the risk of health problems. It is different from being overweight.

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To practice all areas of Human Anatomy and Physiology, here is complete set of 1000+ Multiple Choice Questions and Answers.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]

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Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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