The Most Likely Explanation for an Increase in Emergency Department

question 4

Multiple Choice

The most likely explanation for an increase in emergency department visits for TBIs, without an increase hospitalizations for TBIs is:

• A) More young people are playing sports
• B) More use of medical imaging
• C) Increased awareness about concussions
• D) Better use of helmets

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Definitions:

Rational Model

A mathematical model that uses rational expressions to describe relationships between different quantities.

Least Common Denominator

The smallest positive integer that is divisible by each denominator of a set of fractions, facilitating their comparison or summation.

Common Denominator

The shared multiple of the denominators of two or more fractions, used to make their denominators the same for addition or subtraction.

Combine

To combine is to join or merge two or more elements into a single unit or group.