A recommended practice is to decrease the SID to less than 40 in (100 cm) for the oblique sternum to increase the magnification and resultant unsharpness of overlying ribs.

The increased contrast resolution of digital imaging systems allows demonstration of tissue with an inherent subject contrast as low as:

Exposure factors are 75 kV, 100 mAs, 48-in. SID, 3.0 cm OID, 1.0 mm focal spot size (FSS), and a 12:1 grid ratio. Which set of technical factors would maintain overall receptor exposure and lower patient dose?

The recommended dose limit for the pregnant technologist is _____ mrem/month.

For a lateral (Twining) cervicothoracic image, the: 1.patient is placed in a lateral position2.arm placed adjacent to the imaging table is elevated3.arm placed farther from the imaging table is positioned at a 90-degree angle with the body4.midsagittal plane is aligned parallel with the IR

The space charge effect describes:

The interphalangeal joints have a _____ type of joint movement.

Health physics is concerned with minimizing radiation dose to _____.

A PA cranial image with poor positioning demonstrates the petrous ridges too superior to the supraorbital margins. How was the patient positioned for such an image to be obtained? 1. The patient’s chin was tucked too much. 2. The OML was not positioned perpendicular to the IR. 3. The patient’s face was rotated toward the right side. 4. The patient’s head was tilted.

The lateral projection of the facial bones is a unilateral projection. (Right and left laterals are generally not required.)