A Single Mother with Three School-Age Children Has Recently Noticed

question 30

Multiple Choice

A single mother with three school-age children has recently noticed that the second child has been scratching his head and complains that it itches.She asks the school nurse to examine him.The school nurse notes that the child has head lice.Which of the following is the best description of head lice?

• A) Lice are easy to see and look like little white crabs.
• B) Lice are difficult to see, but their eggs are small oval particles.
• C) Lice and their eggs are on the hair shafts and look like dandruff.
• D) Treatment for lice can wait until the entire family can be checked.

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Definitions:

Sensitivity Chart

A sensitivity chart is a graphical representation used in decision making to show how different values of an independent variable affect a particular dependent variable.

Sample Statistics

Values calculated from a sample and used to estimate population parameters.

Overlay Charts

Graphical representations that display multiple data sets on top of one another for comparison purposes.

Frequency Data

Information that shows how often certain values, variables, or categories occur within a dataset.