Which of the following statements best describes the effect of hyposecretion of antidiuretic hormone (ADH) on urine output?
Urine output increases and becomes concentrated.
Urine output increases and becomes dilute.
Urine output decreases and becomes concentrated.
Urine output decreases and becomes dilute.
The Correct Answer is B
In diabetes insipidus, the hyposecretion of antidiuretic hormone (ADH) leads to decreased water reabsorption in the kidneys, resulting in increased urine output. The urine produced is dilute and lacks the normal concentration of solutes.
Incorrect choices:
a. This choice is incorrect. Urine output increases, but it becomes dilute, not concentrated.
c. This choice is incorrect. Urine output increases, and the urine becomes dilute, not concentrated.
d. This choice is incorrect. Urine output increases, but it becomes dilute, not concentrated.
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Naxlex Comprehensive Predictor Exams
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Correct Answer is B
Explanation
The primary goal of pharmacological therapy for diabetes insipidus is to prevent fluid overload and dehydration by restoring the balance of water and electrolytes through the administration of medications such as desmopressin.
Incorrect choices:
a. This choice is incorrect. The goal of pharmacological therapy for diabetes insipidus is to reduce excessive urine output, not increase it.
c. This choice is incorrect. Stimulating thirst sensation is not the primary goal of pharmacological therapy for diabetes insipidus.
d. This choice is incorrect. While maintaining electrolyte balance is important, preventing fluid overload and dehydration is the primary goal of treatment.
Correct Answer is B
Explanation
Excessive urine output in diabetes insipidus can lead to dehydration and electrolyte imbalances, particularly hypernatremia (elevated sodium levels).
Incorrect choices:
a. This choice is incorrect. Hypokalemia (low potassium levels) is not a typical consequence of diabetes insipidus.
c. This choice is incorrect. Hypocalcemia (low calcium levels) is not a typical consequence of diabetes insipidus.
d. This choice is incorrect. Hypoglycemia is not a typical consequence of diabetes insipidus.
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