We Measure Toxicity by the Dose at Which Adverse Effects

question 2

Multiple Choice

We measure toxicity by the dose at which adverse effects are produced. Which of the following statements about the dose of and response to toxic agents are true?

• A)Lethal doses of particular toxicants for humans are known through doing laboratory tests on human subjects.
• B)Doses are expressed in milligrams of toxicant per kilogram of body weight.
• C)Sub-lethal doses usually produce acute toxicity whereas lethal doses produce chronic toxicity.
• D)Response to a dose depends only on the type of toxicant and not the age or health of the organism.

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Definitions:

Cost Flow Assumption

An accounting principle that determines the method used to assign costs to inventory and to goods sold.

Gross Profit

The gap between income and the expense of products sold, reflecting a company's ability to efficiently handle its workforce and materials during manufacturing.

Ending Inventory

The sum total of items ready for sale calculated at the end of an accounting cycle.

Periodic System

An inventory system where updates to inventory accounts are made periodically at the end of a reporting period, rather than continuously, often requiring physical counts.