Which of the Following Would Increase Heart Rate

question 60

Multiple Choice

Which of the following would increase heart rate?

• A) decreased parasympathetic stimulation of nodal fibers
• B) increased sympathetic stimulation of SA node
• C) faster depolarization of the pacemaker potential
• D) increased levels of epinephrine
• E) all of the above

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Definitions:

Metabolic Rate

The rate at which the body expends energy or burns calories, which varies based on factors like age, sex, muscle mass, and physical activity level.

Metabolism

The set of life-sustaining chemical reactions in organisms for energy generation and the synthesis of materials.

Body Processes

Various physiological and biochemical operations that occur within a living organism to sustain life.

Average Weight

The mean body weight of an individual or population, typically used as a standard measure for comparison or health assessment.