ADH release from the posterior pituitary is stimulated by which process?

Low blood pressure sensed by baroreceptors in the kidneys.

Low osmolality sensed by osmoreceptors in the kidneys.

High plasma osmolarity sensed by osmoreceptors in the hypothalamus.

High concentration of potassium sensed by chemoreceptors in the carotid body.

Answer and Explanation

The Correct Answer is C

Choice A rationale: Low blood pressure sensed by baroreceptors in the kidneys would stimulate the renin-angiotensin-aldosterone system, which regulates blood pressure and sodium balance.

Choice B rationale: Low osmolality sensed by osmoreceptors in the kidneys would

indicate that the body has excess water and needs to excrete it, which would inhibit ADH release.

Choice C rationale: ADH, or antidiuretic hormone, is a peptide hormone that regulates the water balance in the body. It is released from the posterior pituitary gland in response to signals from the hypothalamus. When the plasma osmolarity, or the concentration of solutes in the blood, is high, it means that the body is dehydrated and needs to conserve water. The osmoreceptors in the hypothalamus detect this change and stimulate the release of ADH, which acts on the kidneys to increase water

reabsorption and decrease urine output. This helps to lower the plasma osmolarity and restore the water balance.

Choice D rationale: High concentration of potassium sensed by chemoreceptors in the carotid body would affect the acid-base balance and respiratory rate, but not ADH

release.

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Correct Answer is D

Explanation

Choice A rationale: This is not relevant to the current condition of the patient and does not support a diagnosis of renal calculi.

Choice B rationale: This is a sign of upper gastrointestinal bleeding, which can have many causes such as peptic ulcer, gastritis or esophageal varices. It is not related to renal calculi or urinary tract problems.

Choice C rationale: Renal calculi usually causes pain which usually radiates anteriorly to the lower abdomen, groin, labia, testicles or the perineum depending on the location of the stone.

Choice D rationale: This is a sign of hematuria, which is blood in the urine caused by the passage of renal calculi (kidney stones) through the urinary tract. Hematuria can also cause the urine to appear dark or brown in color.

A. Peyronie's disease B. Hypospadias C. Phimosis D. Orchitis

Correct Answer is A

Explanation

Choice A rationale: This is a condition that causes scar tissue to form in the penis, resulting in abnormal curvature, pain, and erectile dysfunction.

Choice B rationale: Hypospadias is a congenital defect in which the opening of the urethra is on the underside of the penis, not at the tip.

Choice C rationale: Phimosis is a condition in which the foreskin of the penis cannot be retracted fully, leading to inflammation and infection.

Choice D rationale: Orchitis is an inflammation of one or both testicles, usually caused by an infection.

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ADH release from the posterior pituitary is stimulated by which process?

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Naxlex Comprehensive Predictor Exams

Correct Answer is D

Explanation

While performing the genital assessment of a male client, a nurse observes that the client has curvature of the penis. Which condition does the nurse suspect in the client?

Correct Answer is A

Explanation

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