Nicotinic Receptors Bind

question 102

Multiple Choice

Nicotinic receptors bind

• A) acetylcholine and allow chloride ions to exit the cell.
• B) acetylcholine and allow sodium ions to enter the cell.
• C) muscarine and increase the contractility of intestinal muscle.
• D) norepinephrine and can either stimulate or inhibit the cell.
• E) norepinephrine and allow potassium entry, thereby exciting the cell.

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Definitions:

Psychotic Symptoms

Manifestations of severe mental disorders that involve a loss of contact with reality, such as hallucinations or delusions.

Hallucinations

Perceptions in a conscious and awake state in the absence of external stimuli which have qualities of real perception.

Delusions

Firmly held erroneous beliefs that are not amenable to change in light of conflicting evidence, often observed in psychiatric conditions.

Hyperactivity

An elevated level of activity that may be characterized by restlessness, an inability to stay focused, or excessive physical movements.