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:

Rate of Mark-up

A pricing strategy calculation, expressed as a percentage, indicating how much higher a product's selling price is compared to its cost to produce or purchase.

Overhead Expenses

Costs not directly tied to the creation of a product or service but necessary for running a business, such as rent and utilities.

Volume Discount

A price reduction applied to a purchase based on the quantity of items bought, encouraging larger orders.

Breakeven Price

The market price at which the total costs of production equal the revenue derived from selling a product, resulting in neither profit nor loss.