Which of the Following Is a Reasonable Estimation of the Duration

question 183

Multiple Choice

Which of the following is a reasonable estimation of the duration of an action potential?

• A) approximately 5 microseconds
• B) approximately 5 milliseconds
• C) approximately 5 centiseconds
• D) approximately 5 seconds

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Definitions:

Aorta

The main and largest artery in the body, carrying blood from the left ventricle of the heart to the entire body.

Superior Vena Cava

The large vein that carries deoxygenated blood from the upper half of the body into the right atrium of the heart.

Right Atrium

The right upper chamber of the heart that receives deoxygenated blood from the body through the venae cavae and pumps it into the right ventricle.

Aorta

Originating from the heart's left ventricle and extending to the abdomen, this is the body's largest artery, responsible for distributing oxygen-rich blood throughout the body.