If Cardiac Muscle Cells Are Unable to Repolarize, This Would

question 143

Multiple Choice

If cardiac muscle cells are unable to repolarize, this would cause

• A) cardiac output to increase.
• B) no harm. These cells can spontaneously depolarize anyway.
• C) the heart rate to decrease. It might cause cardiac arrest.
• D) an increased demand on mitochondria to produce more ATP.
• E) tachycardia.

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Definitions:

Down Syndrome

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by developmental delays and physical features such as a flat facial profile.

Genetic Disorders

Diseases or conditions that result from abnormalities in an individual's DNA, often inherited from one's parents.

Trisomy

Chromosome condition in which a diploid cell has one more chromosome than normal; designated as 2n + 1.

Extra Copy

In genetics, refers to an additional copy of a gene or chromosome segment, potentially leading to variations in traits or disease susceptibility.