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Multiple Choice
Which of the following is not a tropic hormone?
A
Thyroid-stimulating hormone (TSH)
B
Follicle-stimulating hormone (FSH)
C
Adrenocorticotropic hormone (ACTH)
D
Growth hormone (GH)
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Verified step by step guidance
1
Understand the definition of tropic hormones: Tropic hormones are those that stimulate other endocrine glands to release hormones. They act on other glands rather than directly affecting target cells.
Identify the function of each hormone listed: Thyroid-stimulating hormone (TSH) stimulates the thyroid gland, Follicle-stimulating hormone (FSH) stimulates the ovaries and testes, and Adrenocorticotropic hormone (ACTH) stimulates the adrenal cortex.
Recognize that Growth hormone (GH) is primarily involved in stimulating growth and cell reproduction directly in tissues, rather than acting on another endocrine gland.
Compare the functions: TSH, FSH, and ACTH are all involved in stimulating other glands, which classifies them as tropic hormones.
Conclude that Growth hormone (GH) does not fit the definition of a tropic hormone because it does not primarily act on another endocrine gland.