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.
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale: PID is not associated with meningitis, which is an infection or inflammation of the meninges.
Choice B rationale: Chronic PID typically involves long-term inflammation of the pelvic organs, including the fallopian tubes and ovaries.
Choice C rationale: This condition refers to genital warts caused by HPV, not directly related to PID.
Choice D rationale: Dysplasia refers to abnormal cell growth or development and isn't directly associated with PID.
Correct Answer is C
Explanation
Choice A rationale: These symptoms are more indicative of diabetic ketoacidosis, not hypoglycemia.
Choice B rationale: Symptoms of increased urination, thirst, and hunger are more associated with hyperglycemia, not hypoglycemia.
Choice C rationale: These are classic signs of hypoglycemia and should be described to the client for early recognition and intervention.
Choice D rationale: These symptoms can occur in hypoglycemia but are less specific compared to sweating, cold, trembling, and tachycardia.
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