Which of the following hormones, increase skin color when exposed to sunlight?
Thyroid stimulating hormone (TSH)
Melatonin
Follicle stimulating hormone (FSH)
Melanin stimulating hormone (MSH)
The Correct Answer is D
A. TSH: Stimulates the thyroid gland; not involved in pigmentation.
B. Melatonin: Regulates sleep-wake cycles; not directly responsible for pigmentation.
C. FSH: Stimulates gonads for reproduction; unrelated to skin color.
D. MSH: Stimulates melanocytes to produce melanin, which increases skin pigmentation with sunlight exposure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. TSH: Stimulates the thyroid gland; not involved in pigmentation.
B. Melatonin: Regulates sleep-wake cycles; not directly responsible for pigmentation.
C. FSH: Stimulates gonads for reproduction; unrelated to skin color.
D. MSH: Stimulates melanocytes to produce melanin, which increases skin pigmentation with sunlight exposure.
Correct Answer is C
Explanation
A. Low blood volume:
This stimulates ADH and aldosterone, not insulin.
B. Low blood levels of calcium:
This stimulates parathyroid hormone (PTH), not insulin.
C. High blood levels of glucose:
Insulin is secreted by the pancreas in response to elevated blood glucose to facilitate cellular uptake of glucose.
D. High blood levels of potassium:
Though insulin helps drive potassium into cells, its release is primarily stimulated by glucose.
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