Which of the Following Would decrease Heart Rate

question 104

Multiple Choice

Which of the following would decrease heart rate?

• A)increased sympathetic stimulation of SA node
• B)decreased parasympathetic stimulation of nodal fibers
• C)increased levels of norepinephrine and/or epinephrine
• D)faster depolarization of the pacemaker potential
• E)increased parasympathetic stimulation of nodal fibers.

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Definitions:

Bearing Plate

A component that supports and reduces friction between the moving parts within a mechanical system.

Damper

A device used in vehicles to dampen shock impulses and provide a smoother ride, commonly part of the suspension system.

Double-Acting Hydraulic

A hydraulic cylinder or system that allows for fluid flow and consequent movement in two directions, enabling both extension and retraction actions.

Compression

The reduction in volume and increase in pressure of air or fuel mixture within an engine cylinder.