How Many Ribs Should Be Visible Above the Diaphragm on a PA

question 65

Multiple Choice

How many ribs should be visible above the diaphragm on a PA projection of the chest,as a demonstration of proper inspiration?

• A) 4
• B) 6
• C) 8
• D) 10

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Definitions:

Smallest Value

The minimum value within a set of numbers or measurements.

SUM(range)

A mathematical function that adds together all numbers in a specified range.

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The operation of performing addition to increase or combine numeric quantities.

Ratio Scale

A quantitative scale of measurement that includes a defined zero point, equal intervals, and the ability to express quantities as multiples of one another.