densities of anatomic structures on a routine posteroanterior (PA) projection of the chest? ✔✔
Trough filter
Rescaling the digital image happens during this stage of image processing. ✔✔ Pre-processing
Cells are most sensitive to radiation when they are immature, undifferentiated, and rapidly
dividing. This summarizes: ✔✔ The law of Bergonie & Tribondeau
What type of device would increase the diagnostic quality of a radiograph of the dorsoplantar
projection of the foot? ✔✔ Wedge filter
Which of the following methods for detecting radiation is the most useful for measuring
radiation exposure in air? ✔✔ Ionization
Automatic brightness control (ABC) and Automatic exposure rate control (AERC) are
components of fluoroscopic systems whose purpose is to ensure creation of images with
appropriate brightness while not exposing the patient to excess radiation. Of the following
examples of ABC programming, which one will deliver the lowest dose to the patient? ✔✔
System will increase kVp to a maximum before increasing mA.
For the AP projection of the forearm, the hand is: ✔✔ Supinated
Which of the following is NOT acceptable practice when entering information into a patient's
chart? ✔✔ Use white-out to erase mistakes
,Many medical professions have developed "Practice Standards" to ensure optimum
performance of their members. The radiography "Practice Standards" are developed and
maintained by the: ✔✔ American Society of Radiologic Technologists (ASRT)
Which carpal bone has a characteristic hook like process? ✔✔ Hamate
Which type of pathology would be best demonstrated by a radiograph of the lower leg? ✔✔
Osgood-Schlatter disease
Which of the following imaging procedures would require an informed consent form? ✔✔
Cardiac catheterization
If a radiographer receives a dose of 68mSv/hr while standing at a distance of 40 inches from the
radiation source, what would the new exposure be if the radiographer moves to a new distance
of 60 inches? ✔✔ 30 mSv/hr
Which type of personal monitoring may be worn for the longest period of time? ✔✔ TLD
The response of tissue to x-radiation is principally a function of which of the following? ✔✔
Dose
What is the central ray centering point for the RAO position of the esophagus? ✔✔ T5-T6
The number of grid lines per inch or centimeter defines: ✔✔ Grid frequency
Which of the following radiographic methods would best demonstrate the coronoid process of
the ulna? ✔✔ AP oblique projection with medial rotation of the elbow
, The Alliance for Radiation Safety in Pediatric Imaging recommends that grids be used on
pediatric patients when which of the following criteria are met? ✔✔ When the body part being
imaged is greater than 12 cm water-equivalent thickness
Which of the following would demonstrate off-focus grid cutoff? ✔✔ Both sides of the image
are underexposed
What degree of central ray angulation should be used for the axial plantodorsal projection of
the os calcis? ✔✔ 40 degrees
Which of the following should be considerations when using an AEC device:
1) proper selection of time,
2) proper selection of ionization chamber(s),
3) precise positioning over the desired chamber(s) ✔✔ 2 & 3 only
What is the rounded projection on the anterior proximal surface of the tibia called? ✔✔ Tibial
tuberosity
You are called to the trauma center to perform a bedside radiographic procedure on a patient,
and you suspect the patient may have hepatitis B. What safety practices should you follow to
protect yourself? ✔✔ Wear gloves
Intentional or unintentional acts performed by an individual and based on unreasonable
conducts are known as: ✔✔ Torts
What amplifies the visible light released from the photostimulable phosphor (PSP) after it is
stimulated? ✔✔ Photodetector