Which part of the brain is responsible for producing and releasing antidiuretic hormone (ADH)?
Hypothalamus.
Pituitary gland (posterior lobe).
Pituitary gland (anterior lobe).
Pineal gland.
The Correct Answer is B
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Central diabetes insipidus is caused by trauma, surgery, or other factors that affect the production or release of ADH from the hypothalamus or pituitary gland.
Incorrect choices:
b. This choice is incorrect. Nephrogenic diabetes insipidus is characterized by a lack of response to ADH by the kidneys.
c. This choice is incorrect. Neurogenic diabetes insipidus is not a recognized classification of diabetes insipidus.
d. This choice is incorrect. Type 2 diabetes insipidus is not a recognized classification of diabetes insipidus.
Correct Answer is D
Explanation
Excessive fluid intake to compensate for fluid loss in diabetes insipidus (DI) can lead to weight loss as the body attempts to excrete excess water.
Incorrect choices:
a. This choice is incorrect. Bradycardia is not typically associated with excessive fluid intake or diabetes insipidus.
b. This choice is incorrect. Hypotension is not typically associated with excessive fluid intake or diabetes insipidus.
c. This choice is incorrect. Edema is not typically associated with excessive fluid intake or diabetes insipidus.
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