A Less Than Optimal Lateral Sternum Projection That Does Not

question 12

Multiple Choice

A less than optimal lateral sternum projection that does not demonstrate the sternum in profile and visualizes the superior heart shadow extending anterior to the sternum

• A) resulted because the central ray was centered too posteriorly.
• B) resulted because of poor costal breathing technique.
• C) could be improved by rotating the right thorax anteriorly.
• D) also would demonstrate the left thorax rotated posteriorly.

---

Definitions:

Ounces

A unit of weight in the Imperial system equal to one-sixteenth of a pound, or 28.349 grams.

Mixed Numbers

Values that include both a whole number and a fractional part, indicating amounts more than one.

Improper Fractions

Ratios in which the top number is equal to or larger than the bottom number.

Lowest Terms

The simplest form of a fraction, where the numerator and denominator are reduced to their smallest possible values by dividing both by their greatest common divisor.