Since the 1980s, the Primary Energy Source in the United

question 13

Multiple Choice

Since the 1980s, the primary energy source in the United States has been ______.

• A) natural gas
• B) coal
• C) petroleum
• D) nuclear power

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Definitions:

Myocardial Contractility

Measure of stretch of the cardiac muscle fiber. It can also affect stroke volume and cardiac output. Poor contraction decreases the amount of blood ejected by the ventricles during each contraction.

Low-fat Diet

A diet that restricts the intake of fats, particularly saturated fats and cholesterol, to promote heart health and reduce obesity risk.

Activity Intolerance

A state where an individual has insufficient physical or psychological energy to endure or complete required or desired daily activities.

Decreased Oxygen Saturation

A drop in the percentage of oxygen saturated in the blood, indicating potential respiratory or circulatory issues.