Which of the Following Is True of the Heart Rate

question 30

Multiple Choice

Which of the following is true of the heart rate change during exercise?

• A) the increase in HR is due only to withdrawal of PNS influence.
• B) the increase in HR is due only to increasing SNS influence.
• C) the increase in HR is due only to PNS withdrawal followed by increasing SNS influence.
• D) the increase in HR is due to a spontaneous increase in SA node activity.

---

Definitions:

Homogenous Area

A region or segment that is uniform in composition or character, often used in geographic, social, or scientific contexts.

Wiesen Test

A test designed to measure mechanical aptitude and the ability to understand and apply mechanical concepts.

Mechanical Aptitude

The capacity to understand mechanical concepts and principles, often assessed to predict success in mechanical or technical occupations.

Arco Mechanical Aptitude

A standardized test designed to measure an individual's understanding of mechanical principles and their application.