Which Statement Regarding the Feedback Mechanisms of the HPA Axis

question 12

Multiple Choice

Which statement regarding the feedback mechanisms of the HPA axis is true?

• A) Glucocorticoids enhance the secretion of CRH.
• B) Glucocorticoids inhibit the secretion of ACTH.
• C) ACTH enhances the secretion of CRH.
• D) ACTH decreases the secretion of glucocorticoids.

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Definitions:

Cognitive

Relating to mental processes such as awareness, perception, reasoning, and judgment.

Gamma-Aminobutyric Acid (GABA)

A neurotransmitter in the brain that inhibits nerve transmission, playing a key role in reducing neuronal excitability and regulating muscle tone.

Neuroleptics

A class of medication primarily used to manage psychosis, particularly in disorders like schizophrenia.

Antipsychotic Drugs

Medications used to treat psychiatric conditions by altering brain chemistry, particularly for conditions like schizophrenia and bipolar disorder.