A Correctly Positioned Lateral Chest Radiograph Demonstrates Some Separation of the Posterior

question 20

Multiple Choice

A correctly positioned lateral chest radiograph demonstrates some separation of the posterior ribs owing to the divergent x-ray beam.But a separation of greater than ____ cm indicates objectionable rotation from a true lateral.

• A)0.5
• B)2
• C)3
• D)1

---

Definitions:

First Plane

The term "first plane" is often used to refer to the Wright brothers' Flyer, which in 1903, became the first heavier-than-air powered aircraft to achieve controlled, sustained flight with a pilot aboard.

Pilot

An individual qualified to operate the controls of an aircraft during flight.

Sketchbook Apps

Digital applications designed for drawing, painting, and sketching on electronic devices.

Virtual Piano

A digital simulation of a piano played using a computer keyboard or touchscreen, often used for music practice or creation.