A Nurse Is Discussing the Role of a Vector in the Spread

question 3

Multiple Choice

A nurse is discussing the role of a vector in the spread of disease. Which of the following is the nurse most likely referring to?

• A) Contaminated water
• B) A tick
• C) A dirty needle
• D) An infected person

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Definitions:

Evaluate

The process of calculating the value of an expression.

Simplify

To simplify an expression means to reduce it to its simplest form, by performing all possible operations and combining like terms.

Evaluate

To calculate the value of an expression by substituting variables with given numerical values and performing the operations in the expression.

Function

A function is a mathematical relation between sets that associates every element of a first set to exactly one element of a second set.