If the Atrioventricular Node Could Be Surgically Removed from the Heart

question 55

Multiple Choice

If the atrioventricular node could be surgically removed from the heart without disrupting signal transmission to the Purkinje fibers, what would be the effect?

• A)No apparent effect on heart activity would be observed.
• B)The heart rate would be decreased.
• C)Only the ventricles would contract.
• D)Only the atria would contract.
• E)Atria and ventricles would contract at about the same time.

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Definitions:

Central Nervous System

Comprised of the brain and spinal cord, it is the primary control center for processing sensory information and managing bodily functions.

Vision Coordination

The ability to use both eyes effectively together, to focus on and interpret visual stimuli.

Taste Discrimination

The ability to detect and differentiate between various flavors and tastes.

Perceptual Abilities

The capacity to process and interpret sensory information from the environment, enabling individuals to understand and interact with the world.