AND ANSWERS (100% ACCURATE)
For mobile or portable fluoroscopic equipment (C-arm), inherent provisions must
be made so that the machine cannot be operated at less than:
12 inches (30 cm) source-to-skin distance
The brightness of the viewing monitor in digital imaging is adjusted by the:
A monitor function
The central portion of the output phosphor of the image intensifier tube
possesses the greatest:
Spatial resolution
Which two of the following catheters are used for central vascular access?
hickman and groshong
Where is the technique chart of anatomically programmed technique systems
stored?
In the microprocessor of the control unit
If the patient's ASIS measures 17 cm to the tabletop, how much and in which
direction should the X-ray tube be angled for an AP knee radiograph
5 degrees caudad
What quality of electromagnetic radiation influences its ability to ionize matter?
Frequency
If fluoroscopic equipment does not automatically report radiation exposure,
which two of the following should be documented
-cumulative exposure time
-the number of images taken
Which of the following imaging modalities should be used if the results of a
radiographic metastatic bone survey are inconclusive?
nuclear medicine
The acronym ESE refers to
entrance skin exposure
Which three of the following statements are true of the scapula?
, -it has two surfaces, three angles, and three borders
-the spine of the scapula ends in the acromion process
-the coracoid process is on the anterior surface of the bone
Which of the following positions will demonstrate the duodenal bulb and c-loop?
left posterior oblique (LPO)
When using fluoroscopy, which of the following is directly proportional to the
exposure delivered to the patient?
Milliamperage (mA)
The triangular area on the interior surface of the bladder which is formed by the
opening of the urethra and the two ureters is called the:
Trigone
In which of the following ankle projections will the distal tibiofibular articular be
open?
45 degree medial oblique
What type of joint is a costovertebral joint
synovial gliding
Which of the following is NOT an appropriate use of electronic annotation during
digital radiographic imaging?
indicating laterality (R/L)
Which of the following technical factor adjustments should be made when
negative contrast media agents are used?
decreased kilovoltage peak (kVp)
What is vignetting?
Decrease in light intensity at the periphery of a fluoroscopic image
calculate the pixel size if the field of view is 12 cm, the matrix size is 512 x 512,
millampere-seconds (mAs) is 5, and the kilovoltage peak (kVp) is 78. what is the
formula used?
pixel size= field of view/matrix size
0.023cm
Increasing Kilovoltage peak (kVp) results in which 4 of the following: