Refer to the Figure Shown

question 23

Multiple Choice

Refer to the figure shown.
What is occurring at point 4a?

• A) Depolarization
• B) Hyperpolarization
• C) An action potential
• D) Muscle contraction

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Definitions:

Cancer

A group of diseases characterized by the uncontrolled growth and spread of abnormal cells in the body.

Heart Attacks

A medical condition caused by the blockage of blood flow to the heart muscle, often resulting in chest pain and potentially fatal if not treated promptly.

Stroke

A medical emergency involving the interruption of blood supply to a part of the brain, causing cell damage and possibly resulting in loss of functions.

Carbohydrates

Organic substances such as sugars, starches, and fibers, which are vital energy sources in our diet.