When Eliminating Organisms from Inanimate Objects, Higher Numbers of Organisms

question 2

Multiple Choice

When eliminating organisms from inanimate objects, higher numbers of organisms require longer exposure times because

• A) all disinfecting agents are not alike and some require shorter times.
• B) the chemical composition of the disinfecting agent varies.
• C) disinfecting agents containing carbon tetrachloride require longer times to act.
• D) it takes longer to eliminate 99% of microorganisms.

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Definitions:

Heuristic

A simple thinking strategy that often allows us to make judgments and solve problems efficiently; usually speedier but also more error-prone than an algorithm.

Tools

Devices or implements used to carry out a function or perform a task, often making jobs easier or possible.

Heuristics

Mental shortcuts or "rules of thumb" that simplify decision making by reducing the amount of information processed.

Algorithms

Precise rules or procedures that are systematically followed to produce a specific outcome or to solve a problem.