Multiple Choice
Which of the following organ systems is most effectively treated with electroconvulsive therapy (ECT)?
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16. The Endocrine System
Introduction to the Endocrine System
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Which region of the adrenal gland is responsible for producing epinephrine and norepinephrine?
A
Adrenal cortex
B
Adrenal medulla
C
Zona fasciculata
D
Zona glomerulosa
Verified step by step guidance1
Understand the structure of the adrenal gland, which is divided into two main parts: the adrenal cortex and the adrenal medulla.
Recognize that the adrenal cortex is responsible for producing steroid hormones such as cortisol, aldosterone, and androgens. It is further divided into three zones: zona glomerulosa, zona fasciculata, and zona reticularis.
Identify the adrenal medulla as the inner region of the adrenal gland, which is responsible for producing catecholamines, including epinephrine (adrenaline) and norepinephrine (noradrenaline).
Note that the adrenal medulla functions as part of the sympathetic nervous system, releasing epinephrine and norepinephrine in response to stress.
Conclude that the adrenal medulla, not the adrenal cortex or its zones, is responsible for the production of epinephrine and norepinephrine.
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