Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question

Transcribed Image Text:**Understanding Hyperprolactinemia**
Medications that inhibit ____ in the brain may cause hyperprolactinemias.
Options:
- Norepinephrine
- Metanephrine
- Serotonin
- Dopamine
**Explanation of the Question:**
In the context of hyperprolactinemia, it is important to understand which neurotransmitters, when inhibited by medications in the brain, could lead to an elevated level of prolactin. Prolactin is a hormone produced by the pituitary gland, and its levels can be influenced by various factors including medications and neurotransmitter activity in the brain.
**Answer:**
Dopamine is the correct answer. Medications that inhibit dopamine in the brain may cause hyperprolactinemias. Dopamine normally inhibits prolactin secretion, so when its action is blocked, prolactin levels can increase.
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