Multiple Choice
Which gland is primarily responsible for controlling involuntary body functions, such as your heartbeat?
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16. The Endocrine System
Introduction to the Endocrine System
Multiple Choice
Which of the following correctly matches an anterior pituitary hormone with its primary target tissue?
A
Luteinizing hormone (LH) – Thyroid gland
B
Growth hormone (GH) – Kidneys
C
Adrenocorticotropic hormone (ACTH) – Adrenal cortex
D
Thyroid-stimulating hormone (TSH) – Pancreas
Verified step by step guidance1
Step 1: Understand the role of the anterior pituitary gland. The anterior pituitary secretes hormones that regulate various target tissues and organs in the body. Each hormone has a specific target tissue and function.
Step 2: Review the hormones listed in the problem and their primary target tissues. For example: Luteinizing hormone (LH) primarily targets the gonads (ovaries and testes), not the thyroid gland. Growth hormone (GH) primarily targets tissues like bones and muscles, not the kidneys.
Step 3: Focus on Adrenocorticotropic hormone (ACTH). ACTH is secreted by the anterior pituitary and its primary target tissue is the adrenal cortex, where it stimulates the production of glucocorticoids like cortisol.
Step 4: Examine Thyroid-stimulating hormone (TSH). TSH targets the thyroid gland, stimulating the production of thyroid hormones (T3 and T4). It does not target the pancreas.
Step 5: Conclude that the correct match is Adrenocorticotropic hormone (ACTH) – Adrenal cortex, as this is the only pairing that correctly matches the hormone with its primary target tissue.
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