Which of the Following Is Affected by a Properly Working

question 100

Multiple Choice

Which of the following is affected by a properly working pacemaker?

• A) Automaticity
• B) Stroke volume
• C) Cardiac rhythm
• D) Ejection fraction

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Definitions:

Alpha Rhythm

A pattern of brain wave activity characterized by 8 to 12 hertz frequencies, commonly observed in relaxed, wakeful states, especially in adults with closed eyes.

Theta Waves

Slow brain waves produced during the hypnagogic state.

Stage 1 Sleep

The initial phase of sleep, characterized by light sleep from which one can be easily awakened, and where the eyes move slowly and muscle activity slows.

Aldehyde Dehydrogenase

An enzyme that plays a crucial role in metabolizing alcohols in the body, helping to convert aldehydes into acids.