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Radiology 2
Question | Answer |
---|---|
High kVp and low mAs techniques should be used as often as possible to prevent damage to the anode. | True |
If a radiograph is too light after taking a view of the lateral abdomen, what change may be recommened? | Increase mAs 30% to 50% |
Density is determined primarily by mAs. | True |
Which of the following are limitations of the stationary anode? | t is unable to withstand large amounts of heat. |
Veterinary patients have a tendancy to move while being positioned for radiographs to be taken. The radiographer should help to safely prevent artifacts of movement by: | using the shortest exposure time possible |
Units of dose equivalents account for differences in tissue damage resulting from different types of radiation. | True |
A cassette must maintain close contact between the intensifying screens and the film | True |
Exposure of a radiographic film to x-rays makes the film black. | True |
Aperture | opening |
Lamina | thin, flate plate |
Process | projection |
Trochanter | broad, flat projection on femur |
Tubercle Tuberosity | projecting part |
Spine | sharp projection |
A greenstick fracture is also known as an incomplete fracture. | True |
The costo-chondral junction is found in the pelvis. | False |
The skull, vertebrae, and pelvis are all part of the axial skeleton. | False |
The fibular tarsal bone is also called the... | calcaneus |
The scapula articulates with the humerus. | True |
List 3 positioning aids | Sandbags, beanbags, foam pads, wedges, troughs. |
Most x-ray film cassettes now have what kind of screens that glow when irradiated? | Intensifying screens |
According to the Lavin text, when developing a variable kVp technique chart, kilovoltage should be increased or decreased by increments of_____ for each centimeter measurment. | 2 |
Two views at 180 degree angles from each other are always required for each anatomic part. | False |
The potential difference between the anode and cathode is measured in: | kilovolts |
Which of the following film-screen systems is most commonly used in veterinary medicine? | Medium speed |
Grid cut-off can be described as | incorrect use of the grid so that the grid absorbs more radiation than it should. |
Sante's rule states that if setting up a technique chart you should use what base kVp for the abdomen? | (2 x thickness [cm]) + 40 |
The first written report concerning x-rays and their use for medical and surgical diagnosis was made in 1895. The author and discoverer was Wilhelm Roentgen. | True |
Which of the following animals has the fewest number of coccygeal bones? | Humans |
Radiographic contrast is determined primarily by kVp. | True |
Condyle | rounded projection that articulates with another bone |
Crest | high projection |
Foramen | hole |
Fossa | trench or hollow depressed area |
Sulcus | Groove |
Fovea | small pit |
Meatus | passage or opening |
Head | major protrusion |
The Tibia | articulates with the tarsal bone to help form the hock. |
Cows have more thoracic vertebrae than horses. | False |
OSHA has established a safe exposure limit for all halogenated anesthetic agents, which is not to exceed 4 parts per million (ppm). | False |
This organism has been linked to cardiac and pulmonary problems in humans and animals and may be aerosolized during dental procedures. | Pasteurella multocida |
The proper procedure for diluting checmicals is to add water to the chemical. | False |
For only 24 hours after administering cytotoxic drugs to an animal, any laundry soiled with their bodily excretions is considered medical waste. | False |
The ungual process articulates with the tibial tarsal bone. | False |
The dewclaw is comprised of Metacarpal V and Digit V | False |
A patient is in ____________ recumbency for a Dp view of the carpus. | ventral |
Where should you measure for a lateral view of the tarsus? | from the distal third of he radius and ulna to the proximal third of the metacarpals. |
What is the primary disadvantage of the craniocaudal view of the humerus? | Long object-film distance can cause magnification |
How many board certified radiologists review one patient's OFA radiograph? | 3 |
The olecranon is the socket component of the ball-and-socket hip joint. | False |
If a patient's OFA assessment is fair, borderline, mild, moderate, or severe then they do not receive an OFA hip number. | False |
For an extended projection of the pelvis, the measurement should be taken at the caudal portion of the ischium and the beam should be centered there as well | False |
The fibula's sole purpose is to serve as a site for muscle attachment. | True |
Pets must be over the age of __________ in order to qualify for an OFA breed registry number | 24 months |
A patient would be placed in ___________ recumbency for a caudocranial view of the stifle. | ventral |
When positioning for a lateral view of the spine, the patient's hind legs should be stretched in which direction? | Caudally to reduce the curve at the T-L junction |
The collimated area for both a lateral and VD cervical spine should include mid-skull to the spine of the scapula. | False |
Positioning a patient in a V trough for a VD view of the thoracic spine will help maintain position so that the sternum will be superimposed on the spine. | True |
C2 is also known as the ___________. | axis |
What is the purpose of the patella? | It protects the tendon of the quadriceps femoris muscle |
A (hyper)extended lateral view of the cervical spine can be easily attained by pushing the skull dorsally. | False |
The vertebral column must always be as perpendicular to the tabletop and cassette as possible. | False |