Multiple Choice
Which hormone is responsible for instructing cells to take in glucose from the blood?
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16. The Endocrine System
Introduction to the Endocrine System
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Which of the following is a hormone secreted by the adrenal medulla?
A
Aldosterone
B
Epinephrine
C
Insulin
D
Cortisol
Verified step by step guidance1
Identify the location and function of the adrenal medulla. The adrenal medulla is the inner part of the adrenal gland, which is located on top of the kidneys. It plays a crucial role in the body's response to stress by secreting hormones.
Understand the types of hormones secreted by the adrenal medulla. The adrenal medulla primarily secretes catecholamines, which include epinephrine (also known as adrenaline) and norepinephrine.
Differentiate between the hormones listed in the problem. Aldosterone and cortisol are secreted by the adrenal cortex, not the medulla. Insulin is secreted by the pancreas.
Recognize that epinephrine is a catecholamine and is secreted by the adrenal medulla. It is responsible for the 'fight or flight' response, increasing heart rate, and energy availability.
Conclude that among the options provided, epinephrine is the hormone secreted by the adrenal medulla.
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