Bontrager Ch 19 & 20 Exam Questions And
Answers |Latest 2025 | Guaranteed Pass.
What is another term for spin density? - Answer✔Proton density
Which of the following radiopharmaceuticals is used for thyroid uptake studies? -
Answer✔Sodium iodide (123I)
One tesla equals: - Answer✔10,000 gauss.
What is the most common injection site for a myelogram? - Answer✔L3-L4
The wrist should be placed into the pronated PA position for a long bone study of the upper
limb. - Answer✔False (should be Supinated)
The smallest of the three pairs of salivary glands are the submandibular glands. - Answer✔False
PET is an acronym for: - Answer✔positron emission tomography.
Which type of ultrasound unit is used to examine the structure and behavior of flowing blood? -
Answer✔Doppler
Medical ultrasound uses high-frequency sound waves in the range of: - Answer✔1-20 MHz
Which of the following occupational workers must have conventional radiographic images of
the orbits taken before an MRI head scan? - Answer✔Machinist
What size needle is used to introduce the contrast media during a shoulder arthrogram? -
Answer✔2 1/2- to -3 1/2 inch spinal needle
During an ultrasound procedure, gel is applied to the skin to prevent loss of signal between
transducer and skin, which would result in poor image. - Answer✔True
Imaging for a hysterosalpingography includes centering of the CR and image receptor to: -
Answer✔2 inches (5 cm) superior to the symphysis pubis.
Myelography is often contraindicated if a lumbar puncture has been performed within the
previous: - Answer✔2 weeks
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