Which of the Following Statements Regarding the Conduction System of the Heart

question 154

Multiple Choice

Which of the following statements regarding the conduction system of the heart is not true?

• A)The AV node stimulates the SA node.
• B)The conduction system stimulates the different chambers of the heart in the correct order.
• C)Purkinje fibers stimulate the ventricular myocardium.
• D)The heart rate is regulated by the autonomic nervous system.

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Definitions:

Semi-Starvation

A condition of prolonged inadequate caloric intake, below the level necessary for maintenance of a healthy body weight.

Experimental Starvation

The deliberate restriction of nutrients for research purposes, typically to study the effects of malnutrition on biological organisms.

Metabolic Rate

The rate at which the body expends energy or burns calories, crucial for maintaining basic physiological functions.

Weight Maintenance

The ability to keep one’s weight at a steady level, especially after losing weight.