Radiology Questions
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Possible side effects of an iodinated contrast medium that is administered intravenously include all the following except1.a warm, flushed feeling.2.altered taste.3.rash and hives
Which of the following articulations may be described as diarthrotic?1.Knee2.Intervertebral joints3.Temporomandibular joint (TMJ)
Below-diaphragm ribs are better demonstrated whenA. respiration is suspended at the end of full inhalation.B. exposed using shallow breathing technique.C. the patient is in the recumbent position.D. the patient is in the AP erect position.
When reviewing patient blood chemistry levels, what is considered the normal creatinine range?A. 0.6 to 1.5 mg/100 mLB. 4.5 to 6 mg/100 mLC. 8 to 25 mg/100 mLD. Up to 50 mg/100 mL
In the lateral projection of the knee, the central ray is angled 5° cephalad to prevent superimposition of which of the following structures on the joint space?A. Lateral femoral condyleB. Medial femoral condyleC. PatellaD. Tibial eminence
Characteristics of a patient with pulmonary emphysema include1. shoulder girdle elevation2. increased AP diameter of the chest3. hyperventilation
Which of the following x-ray circuit devices operate(s) on the principle of mutual induction?1. High-voltage transformer2. Filament transformer3. Autotransformer
Another name of HIrschsprung's disease, the most common cause of lower GI obstruction in neonates, isA. intussusceptionB. volvulusC. congenital megacolonD. pyloric stenosis
Pathologic or abnormal conditions that would require an increase in exposure factors include all of the following except?A. atelectasisB. pneumoperitoneumC. Paget diseaseD. congestive heart failure
Which of the following units is (are) used to express resolution?1.Line-spread function2.Line pairs per millimeter3.Line-focus principle
If the distance from the focal spot to the center of the collimator's mirror is 6 in., what distance should the illuminator's light bulb be from the center of the mirror?A. 3 in.B. 6 in.C. 9 in.D. 12 in.
The fact that x-ray intensity across the primary beam can vary as much as 45% describes the?A. line focus principeB. transformer lawC. anode heel effectD. inverse-square law
Skin discoloration owing to cyanosis may be observed in the1.gums.2.earlobes.3.corneas.
An AEC device can operate on which of the following principles?1.A photomultiplier tube charged by a fluorescent screen2.A parallel-plate ionization chamber charged by x-ray photons3.Motion of magnetic fields inducing current in a conductor
Use of a portion of the input phosphor during fluoroscopy, rather than the entire input phosphor, will result in1. a larger field of view (FOV).2. a magnified image.3. improved spatial resolution.
The voltage ripple associated with a three-phase, 12-pulse rectified generator is aboutA. 100%.B. 32%.C. 13%.D. 3%.
If a lateral projection of the chest is being performed on an asthenic patient and the outer photocells are selected, what is likely to be the outcome?A. Decreased densityB. Increased densityC. Scattered radiation fogD. Motion blur
Which of the following projections is most likely to demonstrate the carpal pisiform free of superimposition?A. Radial flexion/deviationB. Ulnar flexion/deviationC. AP (medial) obliqueD. AP (lateral) oblique
Typical patient demographic and examination information include(s)1. type of examination2. accession number3. date and time of examination
In what order should the following examinations be scheduled?1. Upper GI2. Intravenous pyelogram (IVP)3. Barium Enema (BE)