IMAT 2023 · Question 14

Q14 - Hormonal axes and endocrine control

In which of the following events do hormones secreted by the adrenal gland and pancreas play a role together? 1. Balancing the amount of calcium in the bone and blood. 2. Accelerating sodium absorption in the renal tubules. 3. Balancing the glucose level in the blood. A) 1, 2, and 3 B) 1 and 2 C) 1 D) 3 only E) 2 and 3
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The correct answer is D) 3 only.

You need a process where hormones from both glands are involved:

  • Calcium is handled by parathyroid hormone, calcitonin and vitamin D. No adrenal or pancreatic hormone plays a main role.

  • Sodium reabsorption in the kidney is aldosterone, which is adrenal only.

  • Blood glucose is controlled by insulin and glucagon (pancreas) and also by cortisol and adrenaline (adrenal).

So it's 3 only.

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