As One Moves Upward and to the Left on the H-R

question 212

Multiple Choice

As one moves upward and to the left on the H-R diagram, the stars become

• A) cooler and redder.
• B) hotter and redder.
• C) cooler and bluer.
• D) hotter and bluer.

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Definitions:

AV Node

A specialized part of the heart's electrical system, acting as a gateway between the atria and ventricles, controlling the heart rate.

Bicuspid Valve

Also known as the mitral valve, it controls blood flow between the left atrium and left ventricle in the heart.

Mitral Valve

A valve in the heart that lies between the left atrium and left ventricle, controlling blood flow.

R00.0

Tachycardia, unspecified; a code representing abnormally rapid heart rate.