If Action Potential Propagation Through the Bundle of His Were

question 72

Multiple Choice

If action potential propagation through the bundle of His were blocked,which of the following events would you expect to occur?

• A)There would be a slowing of the rate of contraction of the ventricles
• B)The atria would contract more frequently than the ventricles
• C)The SA node would no longer set the pace for atrial contraction
• D)Both there would be a slowing of the rate of contraction of the ventricles and the atria would contract more frequently than the ventricles would occur
• E)All of these things would occur

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Definitions:

Genes

Units of heredity made up of DNA, responsible for guiding the development and functioning of all organisms.

Endocrine System

A network of glands and organs in the body that produce, store, and secrete hormones responsible for regulating bodily functions and maintaining homeostasis.

Hormones

The chemicals released by endocrine glands into the bloodstream.

Chemical Activity

The measure of the reactivity level of a chemical substance when it undergoes a chemical reaction.