A Drug That Serves as a Sodium Channel Blocker Will

question 68

Multiple Choice

A drug that serves as a sodium channel blocker will have the greatest effect on which phase of ion exchange in the normal, fast-potential cardiac cell?

• A) 0
• B) 1
• C) 2
• D) 3

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Definitions:

Accounts Receivable

An asset account representing money owed to a business by its customers for goods or services delivered on credit.

Allowance for Doubtful Accounts

A contra-account reducing accounts receivable to reflect the estimated portion that may not be collected.

Uncollectibles

Debts owed to a company that are considered unlikely to be paid and are therefore written off as a loss.

Income Statement Approach

A method to prepare the bad debt expense by estimating uncollectible accounts at the end of each period based on expected losses.