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Digestion and Absorption

Multiple Choice Questions

71.

What is the correct sequence of thickness of muscles layers in the stomach of human beings

Circular➔Oblique➔Longitudinal
Oblique➔Longituinal➔Circular
Longitudinal➔ Circular➔ Oblique
None of the above

72.

Which of the following hormone helps in secretion of HCl from stomach?

Renin
Gastrin
Secretin
Somatomedin

73.

The organ in the human body, where glycogenolysis takes place?

Muscle
Liver
Small intestine
Kidney

Short Answer Type

74.

What is enterohepatic circulation of bile salt? Mention its significance.

Multiple Choice Questions

75.

Name the hormone that stimulates the secretion of gastric juice.

Renin
Enterokinase
Enterogastrone
Gastrin

76.

Bile salts acts as activator of which enzyme?

Pepsinogen
Trypsinogen
Lipase
Pancreatic amylase

77.

Which of the following cells produce HCl?

$β$ - cell
$α$ - cell
Oxyntic cell
Chief cell

78.

The gastrin is secreted from

intestine
stomach
pancreas
rectum

79.
The major site of protein breakdown to form free amino acids is in the

kidney

spleen

liver

bone-marrow

liver

The degradation of intracellular protein and other cytoplasmic macromolecules in liver is an ongoing process that regulates cytoplasmic mass and provides amino acids for energy and other metabolic uses early in starvation. Cellular proteins are conveniently divided into two general classes according to readily discernable differences in average rates of turnover. A short-lived class, having a half-life of approximately 10 min, comprises about 0.6% of total protein. Its degradation is not physiologically controlled, and the mechanism is probably nonlysosomal in nature.