Why Is the Heart's Impulse Delayed at the Atrioventricular Node

question 2

Multiple Choice

Why is the heart's impulse delayed at the atrioventricular node?

• A) Gives the atria enough time to fill with blood
• B) Gives the ventricles enough time to contract
• C) Allows the entire heart time to rest
• D) Gives the atria time to finish contracting

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Definitions:

Binge Eating Disorder

An eating disorder marked by periods of uncontrolled, excessive eating, followed by feelings of shame or guilt.

Compensatory Behaviors

Actions undertaken to offset or make up for a perceived deficiency or problem, often seen in eating disorders.

Bulimia Nervosa

An eating disorder marked by episodes of binge eating followed by methods to prevent weight gain, such as excessive exercise or purging.

Pathological Changes

Alterations in body tissues and organs which can cause or are caused by disease.