Which laboratory finding is indicative of diabetes insipidus (DI)?
Low blood glucose levels.
Elevated urine osmolality.
Hypernatremia.
High urine glucose levels.
The Correct Answer is B
In diabetes insipidus, the inability to concentrate urine leads to diluted urine with low osmolality. An elevated urine osmolality is indicative of the inability to properly conserve water.
Incorrect choices:
a. This choice is incorrect. Low blood glucose levels are not characteristic of diabetes insipidus.
c. This choice is incorrect. Hypernatremia, or elevated sodium levels, can result from excessive fluid loss in diabetes insipidus, but it is not a direct diagnostic indicator.
d. This choice is incorrect. High urine glucose levels are indicative of diabetes mellitus, not diabetes insipidus.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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
The posterior lobe of the pituitary gland, also known as the neurohypophysis, is responsible for producing and releasing antidiuretic hormone (ADH) in response to signals from the hypothalamus.
Incorrect choices:
a. This choice is incorrect. The hypothalamus produces ADH and releases it into the posterior pituitary for storage and release.
c. This choice is incorrect. The anterior lobe of the pituitary gland is responsible for producing and releasing other hormones, such as growth hormone and thyroid-stimulating hormone.
d. This choice is incorrect. The pineal gland is responsible for producing melatonin, a hormone that regulates sleep-wake cycles, and is not involved in ADH production.
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