Which type of diabetes insipidus occurs during pregnancy and is characterized by increased thirst and excessive urine production?
Central diabetes insipidus.
Nephrogenic diabetes insipidus.
Gestational diabetes insipidus.
Type 3 diabetes insipidus.
The Correct Answer is C
Gestational diabetes insipidus is a rare condition that occurs during pregnancy and is characterized by increased thirst and excessive urine production. It is caused by placental production of an enzyme that breaks down ADH.
Incorrect choices:
a. This choice is incorrect. Central diabetes insipidus is not specifically associated with pregnancy and is not caused by placental factors.
b. This choice is incorrect. Nephrogenic diabetes insipidus is not specifically associated with pregnancy and is not caused by placental factors.
d. This choice is incorrect. Type 3 diabetes insipidus is not a recognized classification of diabetes insipidus.
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Correct Answer is D
Explanation
Desmopressin (DDAVP) is a synthetic form of antidiuretic hormone (ADH) that is commonly used to manage diabetes insipidus by increasing water reabsorption in the kidneys and reducing urine output.
Incorrect choices:
a. This choice is incorrect. Limiting fluid intake to 500 mL per day is not a typical management approach for diabetes insipidus. Adequate fluid intake is necessary to prevent dehydration.
b. This choice is incorrect. Administering hypertonic saline solution is not a standard treatment for diabetes insipidus and may worsen fluid and electrolyte imbalances.
c. This choice is incorrect. Encouraging excessive fluid consumption is not a suitable approach for managing diabetes insipidus, as it can exacerbate fluid loss.
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.
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