Exam Questions and CORRECT Answers
What is another term for spin density? - CORRECT ANSWER - Proton density
Which of the following radiopharmaceuticals is used for thyroid uptake studies? - CORRECT
ANSWER - Sodium iodide (123I)
One tesla equals: - CORRECT ANSWER - 10,000 gauss.
What is the most common injection site for a myelogram? - CORRECT ANSWER - L3-L4
The wrist should be placed into the pronated PA position for a long bone study of the upper limb.
- CORRECT ANSWER - False (should be Supinated)
The smallest of the three pairs of salivary glands are the submandibular glands. - CORRECT
ANSWER - False
PET is an acronym for: - CORRECT ANSWER - positron emission tomography.
Which type of ultrasound unit is used to examine the structure and behavior of flowing blood? -
CORRECT ANSWER - Doppler
Medical ultrasound uses high-frequency sound waves in the range of: - CORRECT
ANSWER - 1-20 MHz
Which of the following occupational workers must have conventional radiographic images of the
orbits taken before an MRI head scan? - CORRECT ANSWER - Machinist
, What size needle is used to introduce the contrast media during a shoulder arthrogram? -
CORRECT 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. - CORRECT ANSWER - True
Imaging for a hysterosalpingography includes centering of the CR and image receptor to: -
CORRECT ANSWER - 2 inches (5 cm) superior to the symphysis pubis.
Myelography is often contraindicated if a lumbar puncture has been performed within the
previous: - CORRECT ANSWER - 2 weeks
Why are CT studies not as commonly performed for long bone measurement as compared with
orthoroentgenography? - CORRECT ANSWER - CT involves high cost and specialized
equipment
Which of the four segments of the uterine tube communicates with the uterine cavity? -
CORRECT ANSWER - Interstitial
What is the most common clinical indication for a myelogram? - CORRECT ANSWER -
HNP
What are some contraindications for myelography? - CORRECT ANSWER -
Arachnoiditis, Blood in the CSF, Increased intracranial pressure
Tissue heating, during an MRI procedure, is measured in: - CORRECT ANSWER - Watts
per kilogram
The single photon emission computed tomography (SPECT) camera provides a ____-
dimensional view of the anatomy. - CORRECT ANSWER - Three