The Plateau in the Action Potential of Cardiac Muscle Results

question 68

Multiple Choice

The plateau in the action potential of cardiac muscle results from the action of __________.

• A) Na⁺ inflow
• B) K⁺ inflow
• C) K⁺ outflow
• D) fast Ca²⁺ channels
• E) slow Ca²⁺ channels

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Definitions:

Accounting Period

A specific period of time used by businesses for accounting purposes to prepare financial statements, commonly a year or a quarter.

Cash Account

A ledger account that tracks all cash transactions, including receipts and payments.

Overdrawn Bank Balance

This occurs when withdrawals from a bank account exceed the available balance, resulting in a negative balance.

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