Which of the Following Medications Increases Heart Rate by Accelerating

question 32

Multiple Choice

Which of the following medications increases heart rate by accelerating the SA node discharge rate and blocking the vagus nerve?

• A) Digitalis
• B) Atropine
• C) Amiodarone
• D) Beta-blocker

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Definitions:

General Adaptation Syndrome

A three-stage process (alarm, resistance, exhaustion) that describes the physiological changes the body goes through when under stress.

Central Nervous System

The part of the nervous system that includes the brain and spinal cord, responsible for processing information and controlling bodily functions.

Immune System

The body's defense mechanism against pathogens, comprising various organs, cells, and proteins.

Stress Signals

Physical or psychological responses that indicate distress or discomfort in the body, often as a reaction to external pressures or challenges.