CT and MRI arthrography has significantly reduced the number of radiographic arthrograms performed.
True or False
True
What is the most common type of contrast media given during a myelogram?
Nonionic, water soluble
Which of the following is generally true for knee arthrography?
A common nontrauma clinical indication is a Baker's cyst
Which of the following instruments is NOT required during a knee arthrogram?
Sterile Gauze
10mL syringe
20 gauge needle
Arthroscope
Arthroscope
Which of the following projections would NOT be commonly performed during a shoulder arthrogram?
Scapular Y projection
Which of the following is a contraindication for myelography?
Blood in the cerebrospinal fluid (CSF)
Arachnoiditis
Increased intracranial pressure
Recent lumbar puncture
All of these are correct
All of these are correct
Which of the following factors is critical when performing orthoentgenography?
The patient should not move between exposures
A common flurorscopy routine for knee arthroplasty is
nine views of each menisci rotated 20 degrees between exposures
During an arthrogram, why is the knee flexed following injection of contrast media before imaging?
To coat the soft tissue structures with contrast media
The purpose of the hysterosalpingography is to demonstrate the
uterine cavity and the patency of the uterine tubes
Which of the following is a contraindication to hysterosalpingography?
Pregnancy
Acute pelvic inflammatory disease
Active uterine bleeding
All of these are correct
All of these are correct
Which of the following is NOT an indication for knee arthroplasty?
Injury or tears to rotator cuff
During a myelogram performed with the patient prone, why is a positioning block (bolster) placed under the abdomen for the lumbar puncture?
To widen the interspinous spaces
How is the water-soluble contrast media eliminated following a myelogram?
Excreted by the kidneys
What is the most common clinical indication for postoperative (T-tube) cholangiogram?
Residual Calculi
A limb-shortening surgical procedure is termed:
epiphysiodesis
What is the most common injection site for a myelogram?
L3-4
The suggested positioning routine for lumbar myelogram is:
patient prone, semierect horizontal beam lateral
What size needle is used to introduce the contrast media during a shoulder arthrogram?
2 3/4 - 3 1/2 spinal needle
The majority of ERCP procedures are performed by a
gastroenterologist
An endoscopic retrograde cholangiopancreatography (ERCP) can be either a diagnostic or therapeutic procedure.
True or False
True
What is the most common clinical indication for a myelogram?
HNP
Imaging for a hysterosalpingography includes centering of the CR and IR to:
2 inches superior to the symphysis pubis
The literal definition of "orthoentgenography" is:
straight or right-angle radiography
The uterine (fallopian) tube are approximately _____ cm in length.
10-12
Which meningeal space contains cerebrospinal fluid (CSF)?
Subarachnoid Space
An undesired feature or density in the CT image not representative of anatomy is a(n)
Artifact
How many pairs of cranial nerves can be found in the brain?
12
Visual centers in the brain are located in the _____ lobe of the cererum.
Occipital
Approximately ______ of all head CT's generally require intravenous contrast media.
50-90%
What is the name of the white brain structure that connects the two cerebral hemispheres?
Corpus callosum
Special filters can be used during CT fluoroscopy to reduce patient skin dose during biopsies.
True or False
True
Which structure connects the two hemispheres of the cerebellum?
Vermis
A predetermined procedure is the definition for
protocol
What is the name of the tapered, terminal part of the spinal cord?
conus medullaris
Which medium serves as the baseline for CT numbers
water
The ratio between the relationship between table speed and slice thickness defines:
pitch
CT angiography (CTA) does not require the use of intravenous contrast media to demonstrate vascular structures.
True or False
False
What is the name of the channels located between the cranium and dura mater that contain blood?
Subdural Space
The common lumbar puncture site is located at the vertebral level of
L3-4
A condition caused by an abnormal amount of CSF in the ventricles is termed:
hydrocephalus
Which of the following pathologic indications would NOT apply to head CT?
Multiple sclerosis
A CT cholonography requires the use of _____ as a contrast medium.
air
Which of the following conditions may be a contraindication for head CT?
Sensitivity to iodinated contrast media
Which of the following structures is also called the hypophysis?
Pituitary Gland
Which of the following is NOT one of the cerebral nuclei or basal ganglia?
Thalamus
Which structures of the neuron carries electric impulses away from the cell body?
Axon
What is the name for the enlarged regions of the subarachnoid space?
Cisterns
The gantry houses the x-ray tube and the detector array.
True or False
True
A collection of blood accumulating under the dura mater caused by trauma is termed:
subdural hematoma
Artifacts caused by patient motion are reduced with volume CT scanning as compared with earlier generation scanners.
True or False
True
Which of the following is NOT a major cranial nerve?
Sensory
Which of the following statements is NOT an advantage of CT over conventional imaging?
Exposes the patient to less radiation
Which of the following pitch ratios is considered to be over-sampling?
0.5:1
Which of the following structures is NOT part of the spinal cord:
Cerebellum