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To insure proper positioning of the elbow in the lateral projection, the :1.) epicondyles are perpendicular to the IR2.) radial and ulnar styloids must be superimposed3.) forearm, elbow, and humerus are in the same plane

The ulna articulates with the ________ of the humerus.

For an AP projection of the ribs above the diaphragm, which of the following statements is true?1.) The top of the cassette is placed 1 to 2 inches above the shoulders2.) The shoulders are relaxed, and the scapulae are flat against the table3.) The central ray is directed to T7.4.) Exposure is performed on full expiration to depress the diaphragm.

Which of the following sets of factors will exhibit the best spatial resolution of the carpal bones?1.     2 mAs, 50 kV, large focal spot size, long OID2.     4 mAs, 50 kV, large focal spot size, short SID3.     8 mAs, 50 kV, small focal spot size, short OID

The half-value layer of an x-ray beam is the thickness of absorbing material necessary to reduce the x-ray intensity to half of its original value.

In the image of the elbow below, the letter  “E” represents which of the following structures?mc154-1.jpg

The spine of the scapula ends in a flattened triangular process termed the:

What is the name of the radiographic procedure in which contrast medium is injected into the joint?

The primary purpose of filtration is to reduce:

In a fixed fluoroscopic unit, the source-to-tabletop distance must not be less than: