Medications that inhibit in the brain may cause hyperprolactinemias. O Norepinephrine O Metanephrine O Serotonin O Dopamine

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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**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.
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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