What explains the cause of dwarfism?
A deficit of parathyroid hormone
Excessive level of insulin
Excessive level of somatotropin (GH)
A deficit of somatotropin (GH)
The Correct Answer is D
Choice A rationale
A deficit of parathyroid hormone would not cause dwarfism, but it could lead to hypoparathyroidism, which can cause muscle cramps or spasms due to low levels of calcium in the blood.
Choice B rationale
Excessive levels of insulin could lead to hypoglycemia (low blood sugar), not dwarfism.
Choice C rationale
Excessive levels of somatotropin (GH) would not cause dwarfism. Instead, it could lead to gigantism in children or acromegaly in adults.
Choice D rationale
A deficit of somatotropin (GH) could indeed cause dwarfism. Somatotropin, also known as growth hormone, is essential for growth and development. A deficiency can result in short stature.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
A deficit of parathyroid hormone leads to hypoparathyroidism, not dwarfism.
Choice B rationale
Excessive levels of insulin can lead to conditions like diabetes, not dwarfism.
Choice C rationale
Excessive levels of somatotropin (GH) can lead to conditions like gigantism or acromegaly, not dwarfism.
Choice D rationale
A deficit of somatotropin (GH) can lead to dwarfism. This condition is also known as growth hormone deficiency.
Correct Answer is D
Explanation
Choice A rationale
Cushing syndrome is caused by chronic high blood levels of cortisol or related corticosteroids.
Choice B rationale
Addison disease is a disorder in which the adrenal glands don’t produce enough hormones.
Choice C rationale
Graves’ disease is an autoimmune disorder that causes hyperthyroidism, not a benign tumor of the adrenal medulla.
Choice D rationale
Pheochromocytoma is a rare, usually noncancerous (benign) tumor that develops in cells in the center of an adrenal gland. This tumor can release hormones that can cause a persistent or episodic increase in blood pressure.
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