A Knockout Mouse

question 53

Multiple Choice

A knockout mouse

• A)has damage to a particular neural structure due to a physical lesion.
• B)has a transient functional lesion because of administration of neurotransmitter antagonists.
• C)is part of a special genetic strain that lacks or no longer expresses certain genes.
• D)is bred to perform poorly on maze-solving tasks.

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Definitions:

Sexual Behaviors

Actions that are related to physical intimacy or the expression of sexual preferences and desires.

Genital-Pelvic Pain/Penetration Disorder

A sexual dysfunction characterized by significant pain during intercourse and difficulty with penetration, affecting an individual's sexual health.

Pubococcygeus Muscle

A muscle of the pelvic floor that supports the pelvic organs and is involved in urinary control as well as sexual function.

Spasms

Sudden, involuntary muscle contractions that can be painful or uncomfortable.