Stimulation of A₁ receptors Present on Smooth Muscle Cells of Blood

question 30

Multiple Choice

Stimulation of a₁ receptors present on smooth muscle cells of blood vessels to the skin by norepinephrine results in:

• A)vasodilation.
• B)vasoconstriction.
• C)bronchodilation.
• D)sweating.

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Definitions:

Libido

The term used to describe sexual drive or desire, which can be influenced by biological, psychological, and social factors.

Freud

Sigmund Freud, an Austrian neurologist who founded the discipline of psychoanalysis and made significant contributions to psychology.

Genital Stage

In psychoanalytic theory, the final stage of psychosexual development, typically beginning at puberty, where sexual interests mature into adult genital sexuality.

Personality States

Specific, temporary modes of behavior, thought, or emotion that can vary significantly from a person's usual baseline, influenced by situations or internal changes.