Which type of diabetes insipidus is characterized by inadequate production or release of antidiuretic hormone (ADH) from the hypothalamus or pituitary gland?
Central diabetes insipidus.
Nephrogenic diabetes insipidus.
Neurogenic diabetes insipidus.
Secondary diabetes insipidus.
The Correct Answer is A
Central diabetes insipidus is characterized by inadequate 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. Secondary diabetes insipidus refers to cases where another condition or factor, such as head trauma or tumor, affects ADH production or release.
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Related Questions
Correct Answer is A
Explanation
The water deprivation test is commonly used to differentiate between central and nephrogenic diabetes insipidus. It involves withholding fluids and monitoring urine output and concentration.
Incorrect choices:
b. This choice is incorrect. A blood glucose test is used to diagnose and monitor diabetes mellitus, not diabetes insipidus.
c. This choice is incorrect. A thyroid function test is not directly related to the diagnosis of diabetes insipidus.
d. This choice is incorrect. A serum creatinine test assesses kidney function but is not specific to diabetes insipidus diagnosis.
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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