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Flashcards in Radiology Deck (188)
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121

Name three things that x-ray film are sensitive to

light, humidity, moisture

122

What metal can be retrieved the developing solutions?

metallic black silver

123

Always store cassettes how?

vertically upright, lid on, lights off

124

if film is black what does it mean? Clear? Trees?

exposed, never exposed, static electricity

125

Collimation for abdomen ventrodorsal view

right side down, diaphragm to femoral head, expiration, beam center/meaurement should be caudal aspect of 13th rib

126

Collimation for abdomen later view

right side down, pull hind limbs caudally, foam pad placed between femurs, foam pad placed under the sternum, diaphragm to caudal femoral head, expiration, beam center/measurement caudal aspect of 13th rib

127

When taking a lateral thoracic where should the x be over? Where is the diaphragm located?

heart (caudal border of scapula), 6 ribs up or 7 ribs down

128

Heat resistant metal used in the filament of the cathode

tungsten

129

This term refers to how easily details can be perceived on a radiograph

radiographic quality

130

Primary factor affecting density is ____

mAs

131

Example of ________ damage include cancer, cataracts, aplastic anemia, sterility

somatic

132

Outer shadow of an object being radiographed

pneumbera

133

As the number of electrons increased this increases

mA

134

The higher the ______, the faster the electrons accelerate increasing the energy of the x-rays produced when the electron cloud collides with the anode (target)

kV

135

Some pathologic conditions including ascites, pleural effusion, and cardiomegaly require an increase in ___ up to 50% to increase radiographic density.

mAs

136

T/F When radiographing the pelvis in a lateral position, a foam wedge should be placed between the patient's stifles to keep the femurs parallel.

true

137

Measurement for the lateral pelvic view should be taken over the ____, and measurement for the ventrodorsal view should be taken at the ____.

trochanter, acetabulum

138

T/F To use the PennHIP method of diagnosing canine hip dysplasia, the veterinarian and technician must receive special certification.

true

139

T/F Sedating the patient is not often used to take radiographs to diagnose hip dysplasia.

false-is often

140

What should be on the film label?

1) name and address of the hospital practice or veterinarian
2) date the radiograph was taken
3) patient identification-name of owner, patient, age, sex, and breed

141

Why is it important to label film correctly?

so it can identified at a later date, and for legal reasons

142

T/F The only legal labeling of a radiograph is what is in the film emulsion.

true

143

What are the views and extremities?

ventrodorsal, lateral, craniocaudal, palmer, planter

144

State the four factors that must be considered for accurate reproduction of an anatomic area:

1) welfare of the patient
2) restraint and immobilization of the patient
3) minimal trauma to the area of interest
4) the least risk exposing those assisting with the examination to radiation

145

If a radiographer is unsure where to measure a particular part, the measurement should be made where?

over the thickest area

146

When there is a large difference in thickness in a particular area, it is advisable to make two separate radiographs with different?

exposures

147

T/F If only a small difference in tissue density exists, a compromise should be made.

true

148

Exposing a large area that is not necessary increases the amount of scatter radiation which decreases _________

radiographic contrast

149

When a marker is placed on a cassette for craniocaudal or caudocranial views, it should be placed on the _____ aspect of the extremity.

lateral

150

T/F In dorsoventral or ventrodorsal views, the marker should be placed on the cassette to identify one side or the other.

true