In a Given Population,the Dose-Response Curve for the Dose of Drug

question 46

Multiple Choice

In a given population,the dose-response curve for the dose of drug that produces the desired effect may overlap with the dose response curve for the lethal dose of the drug.For this reason,a more useful index of the margin of safety for a drug is the ratio of the:

• A)LD₅₀ to ED₅₀.
• B)ED₅₀ to LD₅₀.
• C)ED₉₉ to LD₁.
• D)LD₁ to ED₉₉.

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Definitions:

Direct Write-Off Method

An accounting method where bad debts are charged against income at the time they are deemed irrecoverable, rather than being anticipated in advance.

Interest

Interest is the cost paid for borrowing money, typically expressed as a percentage of the amount borrowed over a certain period of time.

Adjusting Entry

A journal entry made in the accounting records at the end of an accounting period to allocate income and expenditure to the appropriate period.

Direct Write-Off Method

An accounting practice where uncollectible accounts receivable are directly written off against revenue at the time they are deemed to be uncollectible.