Multiple Choice
Which gland sits atop each kidney?
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16. The Endocrine System
Introduction to the Endocrine System
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What does the adrenal medulla secrete?
A
Thyroxine and triiodothyronine
B
Cortisol and aldosterone
C
Insulin and glucagon
D
Epinephrine and norepinephrine
Verified step by step guidance1
Understand the role of the adrenal medulla: The adrenal medulla is part of the adrenal glands, which are located on top of the kidneys. It plays a crucial role in the body's response to stress.
Identify the hormones secreted by the adrenal medulla: The adrenal medulla is responsible for secreting catecholamines, which are hormones that prepare the body for a 'fight or flight' response.
Recognize the specific catecholamines: The primary hormones secreted by the adrenal medulla are epinephrine (also known as adrenaline) and norepinephrine (noradrenaline).
Differentiate from other hormones: Thyroxine and triiodothyronine are secreted by the thyroid gland, cortisol and aldosterone by the adrenal cortex, and insulin and glucagon by the pancreas.
Conclude with the correct answer: Based on the above information, the adrenal medulla secretes epinephrine and norepinephrine.
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