The Gust Front Occurs

question 25

Multiple Choice

The gust front occurs:

• A) on the lee shore of the Great Lakes.
• B) at the leading edge of a thunderstorm downdraft.
• C) during the development of thunderstorm clouds.
• D) near the anvil part of a thunderstorm cloud.

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Definitions:

Preload

The degree of stretch of the cardiac muscle fibers at the end of diastole, prior to contraction; it affects the force of contraction and cardiac output.

Stroke Volume

The amount of blood the heart pumps out of a ventricle with each beat.

End-diastolic Volume

The volume of blood in the ventricles at the end of diastole, just before the heart contracts, important for determining cardiac function and performance.

Erythrocytes

Red blood cells, which are responsible for carrying oxygen from the lungs to the body's tissues and returning carbon dioxide from the tissues back to the lungs.