Digestion and Absorption Test

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Digestion and Absorption Test - 3

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Question 1
1 / -0

Liver is the largest gland of the body having high power of regeneration. Which of the following is not a function of the liver?

A
Destruction of RBCs

B
Absorption of fat and fat-soluble vitamins

C
Detoxification

D
Osmoregulation

Solution

Absorption of fat and fat-soluble vitamins is a function of bile. Bile's salts help in the absorption of fat and fat-soluble vitamins (A, D, E and K) in the small intestines.
Question 2
1 / -0

Which of the following cells are more numerous towards the periphery of the islet, constitute 15% of the islet of Langerhans and produce glucagon hormone?

A
Beta cells

B
Delta cells

C
Pancreatic polypeptide cells

D
Alpha cells

Solution

Alpha cells are more numerous towards the periphery of the islet, constitute 15% of the islet of Langerhans and produce glucagon hormone.
Question 3
1 / -0

In which of the following stages of swallowing does the palate close off the nose and the epiglottis seals off the glottis of larynx?

a. The voluntary stage
b. The pharyngeal stage
c. The oesophageal stage

A
Only a

B
Only b

C
Only a and c

D
Only b and c

Solution

In the pharyngeal stage of swallowing, the palate closes off the nose and the epiglottis seals off the glottis of larynx. The bolus is passed from the pharynx into the oesophagus.

Question 4

1 / -0

Match the following:

Enzyme	Site of Action	Substrate
a. Salivary amylase	1. Child's stomach	p. Proteins
b. Rennin	2. Mouth	q. Casein
c. Trypsin	3. Small intestine	r. Starch

a - 2 - r, b - 1 - q, c - 3 - p

a - 2 - r, b - 1 - p, c - 3 - q

a - 1 - r, b - 2 - q, c - 3 - p

b - 2 - r, c - 1 - q, a - 3 - p

Solution

Salivary amylase's site of action is mouth and its substrate is starch. Rennin's site of action is child's stomach and its substrate is casein. Trypsin's site of action is small intestine and its substrate is protein.

Question 5
1 / -0

Which of the following hormones is secreted by the duodenal epithelium and inhibits gastric secretion and motality?

A
Enterogastrone

B
Gastrin

C
Secretin

D
Cholecystokinin pancreozymin

Solution

Enterogastrone is secreted by the duodenal epithelium and inhibits gastric secretion and motality. It is also called gastric inhibitory peptide.
Question 6
1 / -0

________ is secreted by the duodenal epithelium and stimulates the Brunner's gland to release mucus and enzymes into the intestinal juice.

A
Enterocrinin

B
Villikinin

C
Somatostatin

D
Duocrinin

Solution

Duocrinin is secreted by the duodenal epithelium and stimulates the Brunner's gland to release mucus and enzymes into the intestinal juice.
Question 7
1 / -0

Different types of nutrients are absorbed by simple diffusion, osmosis, facilitated transport, etc. Which of the following nutrients are absorbed by the process of active transport?
a. Glucose
b. Fructose
c. Galactose
d. Amino acids
e. Glycerol

A
Only b and e

B
Only a, c and d

C
Only a and b

D
Only c, d and e

Solution

Glucose, galactose and amino acids are absorbed by the process of active transport. Normally, 95-98% of amino acids are absorbed in the small intestine.
Question 8
1 / -0

Read the following statements and choose the correct answer:

a. The excess of monosaccharides is usually stored in the liver and muscle cells in the form of glycogen.
b. Kidneys are the chief site for deamination, a process by which the amino group is removed from the amino acids that results in the production of ammonia.

A
Both the statements are true.

B
Both the statements are false.

C
Statement 'b' is true and 'a' is false.

D
Statement 'a' is true and 'b' is false.

Solution

The liver is the chief site for deamination, a process by which the amino group is removed from the amino acids that results in the production of ammonia.
Question 9
1 / -0

Which of the following vitamins acts as a good antioxidant, is essential for normal functioning of reproductive organs and maintains muscles of the body and structure of RBCs?

A
Vitamin A

B
Vitamin D

C
Vitamin K

D
Vitamin E

Solution

Vitamin E acts as a good antioxidant, is essential for normal functioning of reproductive organs and maintains muscles of the body and structure of RBCs.
Question 10
1 / -0

Jaundice is a yellowish colouration of the sclerae, skin and mucous membranes. Which of the following types of jaundice occur(s) due to blockage of bile drainage by gallstones or cancer of the bowel or the pancreas?

a. Extrahepatic jaundice
b. Hepatic jaundice
c. Prehepatic jaundice

A
Only a

B
Only b

C
Only c

D
Only b and c

Solution

Extrahepatic jaundice occurs due to blockage of bile drainage by gallstones or cancer of the bowel or the pancreas.

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Digestion and Absorption Test - 3

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Digestion and Absorption Test - 3

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Question 1

Destruction of RBCs

Absorption of fat and fat-soluble vitamins

Detoxification

Osmoregulation

Solution

Question 2

Beta cells

Delta cells

Pancreatic polypeptide cells

Alpha cells

Solution

Question 3

Only a

Only b

Only a and c

Only b and c

Solution

Question 4

a - 2 - r, b - 1 - q, c - 3 - p

a - 2 - r, b - 1 - p, c - 3 - q

a - 1 - r, b - 2 - q, c - 3 - p

b - 2 - r, c - 1 - q, a - 3 - p

Solution

Question 5

Enterogastrone

Gastrin

Secretin

Cholecystokinin pancreozymin

Solution

Question 6

Enterocrinin

Villikinin

Somatostatin

Duocrinin

Solution

Question 7

Only b and e

Only a, c and d

Only a and b

Only c, d and e

Solution

Question 8

Both the statements are true.

Both the statements are false.

Statement 'b' is true and 'a' is false.

Statement 'a' is true and 'b' is false.

Solution

Question 9

Vitamin A

Vitamin D

Vitamin K

Vitamin E

Solution

Question 10

Only a

Only b

Only c

Only b and c

Solution

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