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Sam Works Out at the Gym Lifting Weights Two to Three

question 14

Multiple Choice

Sam works out at the gym lifting weights two to three hours daily.  Despite his intense workout routine,Sam feels his body is still too small and not muscular enough.  Based on this information,Sam may have ________.


Definitions:

AV Node

The atrioventricular node, a part of the cardiac conduction system that controls the heart rate by slowing the electrical current before it passes from the atria to the ventricles.

Pacemaker

A device implanted in the body that uses electrical impulses to regulate the beating of the heart or a natural group of cells in the heart that performs this function.

Calcium Channel Blockers

A class of medications that inhibit the entry of calcium ions through calcium channels, used to treat hypertension and heart disease.

Tachycardia

A condition characterized by an abnormally high heart rate, typically over 100 beats per minute in adults.

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