Which of the Following Physiologic Changes Would Increase Cardiac Work

question 2

Multiple Choice

Which of the following physiologic changes would increase cardiac work but not enhance cardiac output?

• A) Increased preload
• B) Increased heart rate
• C) Increased contractility
• D) Increased afterload

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Definitions:

Metropolitan Areas

Include downtown city cores and their surrounding suburbs.

Demographic Transition Theory

A theory that describes the transition from high birth and death rates to lower birth and death rates as a country or region develops from a pre-industrial to an industrialized economic system.

Industrialization

The process of developing industries in a country or region on a wide scale.

Fertility Rate

The mean number of offspring a woman has during her life in a certain demographic group.