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NEET MDS Quiz - Practice Test
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physiology - 3 Questions

1
Physiology

What are the two major functions of GH?
1) Stimulation of growth hormone-dependent lipolysis and glycogenolysis
2) Stimulation of gluconeogenesis and growth of the skeletal system
3) Stimulation of cortisol synthesis and thyroid hormone release
4) Regulation of insulin secretion and cardiovascular function

📝 Explanation:

Answer: 2) The two major functions of GH are the growth of the skeletal system and metabolic effects, including gluconeogenesis.

2
Physiology

What is the primary function of the theophylline?
1) It acts as a muscle relaxant
2) It increases intracellular cAMP levels
3) It inhibits acetylcholine receptors
4) It stimulates the release of insulin

📝 Explanation:

Theophylline is a methylxanthine derivative that acts as a phosphodiesterase inhibitor, leading to increased intracellular cyclic AMP (cAMP) levels. This can stimulate various cellular processes, including smooth muscle relaxation and bronchodilation in the respiratory system. It also enhances insulin secretion.

3
Physiology

Which of the following is NOT a hormone secreted by the kidney?
1) 1,25 Dihydrocholecalciferol
2) Renin
3) Erythropoietin
4) Angiotensin I

📝 Explanation:

Angiotensin I is NOT a hormone secreted by the kidney; it is produced from angiotensinogen in the liver and converted to angiotensin II by the kidneys.

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