The Idea There Are Differences Within the Individual in the Rate

question 35

Multiple Choice

The idea there are differences within the individual in the rate of aging is referred to as:

• A) interindividual variability.
• B) multidirectionality.
• C) personal aging.
• D) nonnormative influences.

---

Definitions:

Afterload

The force the heart must overcome to pump blood during the contraction phase.

Preload

Preload refers to the degree of stretch of the cardiac ventricles at the end of diastole, just before contraction.

Contractility

The capability of muscle tissue to contract or shorten, enabling movement and force generation.

Coronary Blood Flow

The circulation of blood in the blood vessels of the heart muscle (myocardium).