Chemical Coordination and Integration

Multiple Choice Questions

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Which of the following hormone stimulates the gastric secretion ?

  • Enterogastrone

  • Gastrin

  • CCK-PZ

  • Villikinin

B.

Gastrin

Gastrin stimulates the gastric secretion. It is released from the gastric glands.

Enterogasterone is secreted by the duodenal epithelium. It inhibits the secretion of gastric juice and slows gastric contraction.

CCZ- PZ or Cholecystokinin pancreozymin is secreted by entire small intestine. It stimulates the gall bladder to release bile and the pancreas as to release enzymes in the pancreatic juice.

Villikinin accilerates the movement of intestinal villi.

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    Thyroid deficiency in infant leads to :

    • hypothyroidism

    • myxoedema

    • cretinism

    • thyrotoxicosis

    Answer

    During emergency, which of the following hormone is secreted ?

    • Aldosterone

    • Thyroxine

    • Adrenalin

    • Calcitonin

    Answer

    ADH controls water permeability of

    • collecting tube

    • distal convoluted tubule

    • proximal convoluted tubule

    • bowman's capsule

    Answer

    Hypersecretion of growth hormone in the period of growth lead to :

    • acromegaly

    • cushing syndrome

    • midgets

    • cretinism

    Answer
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    Mammalian prolactin is secreted by :

    • adenohypophysis

    • neurohypophysis

    • adrenal cortex

    • adrenal medulla

    Answer

    Which of the following does not match ?

    • Pancreas - Glisson's capsule

    • Antigen - Antibody

    • Thyroid - Goitre

    • Enzyme - Substrate

    Answer

    The islets of Langerhans are found in

    • pancreas

    • stomach

    • liver

    • alimentary canal

    Answer

    Gonadotrophins are secreted from

    • gonads

    • anterior pituitary

    • posterior pituitary

    • antidiuretic hormone

    Answer
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    Acromegaly is due to hypersecretion of

    • thyroxin

    • prolactin

    • insulin

    • growth hormone

    Answer
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