In One Kind of Second-Messenger System

question 70

Multiple Choice

In one kind of second-messenger system

• A) A small amount of one hormone (the second messenger) is required to release another.
• B) A tropic hormone (the first messenger) stimulates secretion of another hormone (the second messenger).
• C) The hormone first binds to a specific surface receptor, whereupon the hormone-receptor complex moves into the cell to combine with a specific intracellular receptor.
• D) Releasing hormones (the first messenger) from the hypothalamus regulate many anterior pituitary hormones (the second messenger).
• E) A hormone (the first messenger) binds to surface receptors activating adenylate cyclase, catalyzing cAMP formation.

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Definitions:

Positive Symptoms

Symptoms that involve the presence of unusual perceptions, thoughts, or behaviors, typically associated with psychotic disorders.

Schizophrenia

A psychological condition marked by altered cognition, feelings, speech, self-identity, and actions.

Auditory Hallucinations

Hearing sounds or voices that are not present in the external environment, commonly associated with various psychiatric and neurological disorders.

Schizophrenia

An intense psychiatric condition marked by altered cognition, feelings, communication, self-awareness, and actions.