Multiple Choice
Which hormone is responsible for the stimulation of red blood cell formation in the bone marrow?
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16. The Endocrine System
Introduction to the Endocrine System
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Which of the following is true of melatonin?
A
Melatonin is secreted by the adrenal cortex and regulates metabolism.
B
Melatonin is primarily responsible for the fight-or-flight response.
C
Melatonin is produced by the pineal gland and regulates sleep-wake cycles.
D
Melatonin is a hormone that increases blood glucose levels.
Verified step by step guidance1
Identify the gland responsible for melatonin production: Melatonin is produced by the pineal gland, which is located in the brain.
Understand the primary function of melatonin: Melatonin is involved in regulating sleep-wake cycles, helping to control the body's circadian rhythms.
Differentiate melatonin from other hormones: Melatonin is not involved in metabolism regulation, fight-or-flight response, or increasing blood glucose levels. These functions are associated with other hormones such as cortisol and adrenaline.
Recognize the role of melatonin in the body: Melatonin levels typically rise in the evening, promoting sleep, and decrease in the morning, helping to wake the body.
Clarify misconceptions: Melatonin is not secreted by the adrenal cortex, nor does it play a role in the fight-or-flight response or blood glucose regulation.
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