The Ion Primarily Responsible for Depolarization in Pacemaker Cells Is

question 86

Multiple Choice

The ion primarily responsible for depolarization in pacemaker cells is ________, whereas the ion primarily responsible for this in other cardiac cells is ________.

• A) Na⁺; Ca²⁺
• B) Ca²⁺; Na⁺
• C) K⁺; Na⁺
• D) Ca²⁺; K⁺

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Definitions:

Impulsiveness

The tendency to act on a whim, displaying behavior characterized by little or no forethought, reflection, or consideration of the consequences.

Ego-resilient

Describes an individual's ability to adapt to stressors and return to a baseline state of functioning effectively after experiencing stress.

Adaptability Under Stress

The ability to adjust and cope with pressure or adversity, maintaining functionality and resilience.

Self-confident

Having trust in one's own abilities, qualities, and judgement.