The Depolarization of the Action Potential in the Pacemaker Cells

question 76

Multiple Choice

The depolarization of the action potential in the pacemaker cells is driven by the rapid influx of _________ions through _________channels.

• A) potassium : T -type calcium
• B) potassium : funny
• C) sodium : T -type calcium
• D) sodium : funny
• E) calcium : L -type calcium

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Definitions:

Temporal Lobes

Regions of the brain located at the sides of the cerebral hemispheres, involved in processing auditory information and associated with memory and emotion.

Nonspeech Noise

Sounds in the environment that are not related to human speech, which can affect auditory processing or be used in auditory testing.

Segments Per Second

A measure of the rate at which data or processing segments are handled or transmitted in one second.

Overtones

The higher frequencies found in a sound, which add to its basic frequency, contributing to its timbre or quality.