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Which of the following physiological responses is caused by the release of anti-diuretic hormone?

A. Increase in the concentration of calcium in the glomerulus

B. Increase in water reabsorption in the collecting duct

C. Decrease in the concentration of calcium in the glomerulus

D. Decrease in water reabsorption in the collecting duct

Answer Explanation:

The ADH causes the channels in the collecting duct to open, which leads to water being reabsorbed back into the blood. A high level of ADH causes the kidney to release urine since more water is absorbed back into the body.

Therefore, the Correct Answer is B.

Q #1: The hypothalamus is functionally and anatomically connected to the posterior pituitary lobe by a bridge of ________

A. blood vessels

B. nerve axons

C. cartilage

D. bone

Answer Explanation
Q #2: Which of the following glands synthesizes antidiuretic hormone?

A. Thymus

B. Pineal gland

C. Pancreas

D. Hypothalamus

Answer Explanation

The hypothalamus communicates with the posterior pituitary, which is an extension of the brain. It is the hypothalamus that produces the ADH hormones.
Q #3: Which of the following physiological responses is caused by the release of anti-diuretic hormone?

A. Increase in the concentration of calcium in the glomerulus

B. Increase in water reabsorption in the collecting duct

C. Decrease in the concentration of calcium in the glomerulus

D. Decrease in water reabsorption in the collecting duct

Answer Explanation

The ADH causes the channels in the collecting duct to open, which leads to water being reabsorbed back into the blood. A high level of ADH causes the kidney to release urine since more water is absorbed back into the body.

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