What causes diabetes insipidus?
Insufficient antidiuretic hormone (ADH) production
Overproduction of antidiuretic hormone (ADH)
Overproduction of insulin
Insufficient insulin production
The Correct Answer is A
Choice A rationale
Diabetes insipidus is a rare disorder that occurs when a person’s kidneys pass an abnormally large volume of urine that is insipid—dilute and odorless. In most people, the kidneys pass about 1 to 2 quarts of urine a day. In people with diabetes insipidus, the kidneys can pass 3 to 20 quarts of urine a day. As a result, a person with diabetes insipidus may feel the need to drink large amounts of liquids.
Choice B rationale
Overproduction of antidiuretic hormone (ADH) leads to Syndrome of Inappropriate Antidiuretic Hormone (SIADH), not diabetes insipidus.
Choice C rationale
Overproduction of insulin can lead to hypoglycemia, not diabetes insipidus.
Choice D rationale
Insufficient insulin production leads to diabetes mellitus, not diabetes insipidus.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Hypotension, or low blood pressure, is not typically a clinical sign of urinary tract infections in the elderly.
Choice B rationale
Confusion can be a clinical sign of urinary tract infections in the elderly. UTIs can cause sudden changes in behavior or increased confusion in older adults.
Choice C rationale
Weight gain is not typically a clinical sign of urinary tract infections in the elderly.
Choice D rationale
Insomnia, or difficulty sleeping, is not typically a clinical sign of urinary tract infections in the elderly. Hypothyroidism Explore
Correct Answer is D
Explanation
Choice A rationale
An insufficient amount of triiodothyronine (T3) and thyroxine (T4) leads to hypothyroidism, not severe manifestations in adrenocortical insufficiencies.
Choice B rationale
Decreased levels of all the adrenocortical hormones can lead to Addison’s disease, not the most severe manifestations in adrenocortical insufficiencies.
Choice C rationale
Deficiencies in the renin-angiotensin system can lead to problems with blood pressure regulation, not the most severe manifestations in adrenocortical insufficiencies.
Choice D rationale
An insufficient amount of circulating cortisol is a key feature of Addison’s disease, which is an adrenocortical insufficiency. This can lead to severe manifestations such as fatigue, muscle weakness, loss of appetite, and weight loss.
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