Module 3 Test 7 AP Thorax

How many pairs of ribs are there is a normal human skeleton?

12

How many pairs of ribs are considered floating ribs?

2

How many pairs of ribs are considered true ribs?

7

How many ribs should be demonstrated above the diaphragm as compared to below the diaphragm?

8-10; 6-8

In which direction does the diaphragm move on inspiration?

Down

Which of the following positions/projections would best demonstrate the axillary ribs of the right rib cage?

Oblique

A patient hurts in the left anterior part of the thorax. Which oblique would show this area well?

RAO

When radiographing the sternum, which oblique is preferable?

ROA

The xiphoid process is part of which of the following bones?

Sternum

How are floating ribs best visualized?

below the diaphragm

Which one radiograph is the most important in a rib series involving recent trauma?

erect chest

What breathing instructions should be given to a patient for a below the diaphragm radiograph of the ribs?

expiration

Which ribs only have a posterior attachment?

floating ribs

If a patient has fractured ribs, what additional films might be necessary?

inspiration and expiration chest films

Which of the following is not considered part of the bony thorax?

lumbar spine

Which portion of the sternum articulates with the clavicles to form the sternoclavicular joints?

manubrium

Which of the following should be done to best visualize the sternum?

shallow breathing; short focal film distance; shallow, right anterior oblique

Which ribs are attached to the sternum anteriorly and the thoracic spine posteriorly?

true ribs

Which ribs are attached posteriorly at the thoracic vertebrae?

true ribs, false ribs, floating ribs

What is the inferior end of the sternum called/

xiphoid