Diagnostic Imaging Flashcards
The amount of radioisotope used for each examination in a nuclear medicine study is measured in which of the following units?
mCi
In a dorsoventral view on a small animal x-ray, which organ appears in the shape of a question mark?
Colon
When do fetal skeletons of small animals become visible on x-rays?
42-45 days
When obtaining a caudocranial view of the scapula of a small animal, where should the central ray be located?
Center of the scapula
If the veterinary technician’s lead glove hand is held under the primary beam, only_____ percent of the primary beam will be decreased.
25
When obtaining a dorsolateral-palmaromedial oblique view of the carpus of a horse, where should the cassette be held?
against the palmar aspect of the carpus
Which of the following conditions can cause uneven development of film?
uneven chemical levels
Which of the following terms is used to describe the white appearance on an x-ray?
radiopaque
Which contrast is commonly used for GI studies when perforation is not suspected?
barium sulfate
At what age in foals does the closure of the proximal growth plate of P2 occur?
18-30 weeks
When scanning in the sagittal plane, where is the cranial aspect of the patient’s body displayed on the ultrasound monitor?
left side of the monitor
To decrease magnification of an x-ray, which of the following would help?
Patients are positioned as close to the x-ray cassette as possible.
Radiographs of long bones must include which of the following?
both the joint proximal and the joint distal to the long bone
Which of the following radiographic terms describes the caudal surface of the forelimb distal to the carpus?
palmar
Which radiographic view of the carpal joint of a horse provides the best view to judge the width of the cartilage spaces?
dorsopalmar
What is an essential factor when using a nonscreen film to x-ray a snake?
movement needs to be minimal
To obtain a DV view of the thorax of a rabbit, where should the center of the beam be focused?
center over the heart
The protective lead equipment required for wear during x-ray exposure can decrease the primary beam exposure by how much?
25
Which of the following could be considered as negative-contrast agents used in radiography?
oxygen, air and carbon dioxide
What does MRI require to highlight injections, tumors, or vascular disease?
gadolinium
