Depolarizing the Membrane During an Action Potential First Involves the Flow

question 9

Multiple Choice

Depolarizing the membrane during an action potential first involves the flow of ________ ions into the membrane.

• A) sodium
• B) potassium
• C) serotonin
• D) dopamine

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Definitions:

Tricyclic Drugs

A class of antidepressant medications used to treat depression, characterized by their three-ring chemical structure.

Serotonin Reuptake Blockers

A class of drugs that inhibit the reabsorption of serotonin in the brain, thus increasing its availability and helping to improve mood.

Depression

A common and serious medical illness that negatively affects how you feel, the way you think, and how you act, characterized by feelings of sadness, loss, or anger that interfere with a person's everyday activities.

Tricyclic Antidepressant Drugs

A class of medications used to treat depression that work by blocking the absorption (reuptake) of the neurotransmitters serotonin and norepinephrine in the brain.