If the First Radiograph of a Chest Is Done Using

question 35

Multiple Choice

If the first radiograph of a chest is done using 72 inches and 12 mAs and a second radiograph is done using 40 inches, how much mAs should be used to maintain density?

• A) 2 mAs
• B) 4 mAs
• C) 7 mAs
• D) 9 mAs

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Definitions:

Obtaining

The act of gaining possession of something, usually after an effort.

Uniformly Distributed

A distribution where all outcomes are equally likely, and the variable's values are spread evenly over the range of possibilities.

Probability Density Function

A probability density function is a function that describes the probability of a random variable taking on certain values, used for continuous variables where the probability of any single value is zero.

Normal Approximation

A mathematical method used to approximate the binomial distribution with the normal distribution when the sample size is large and the probability of success is not too close to 0 or 1.