Mock test 2 Flashcards
A technologist takes two exposures using automatic exposure control AEC the first without barium and the second
following the introduction of 250 milliliters of oral barium. Which of the following will likely occur in the second exposure?
decreased image receptor exposure
increased exposure time
Decreased exposure time
increased ma
increased exposure time
On an anteroposterior AP pelvis radiograph, the feet need to be rotated to what degree to place the femoral necks
parallel to the image receptor IR?
1520 degrees medially
2530 degrees medially
3540 degrees laterally
510 degrees laterally
1520 degrees medially
To place the right kidney parallel to the image receptor IR during renal tomography, the patient should be placed in
what position?
30 degree left posterior oblique
30 degree right posterior oblique
Ap erect
prone
30 degree lpo
Which of the following steps for obtaining a manual blood pressure reading should be performed first?
Close the valve on the pump and inflate the cuff
Listen for the diastolic sound
Palpate the brachial artery
Record the systolic pressure
palpate the brachial artery
Consider a technologist that accidentally uses a higher kVp setting than needed for a radiograph of the chest. Which of
the following is used to display the image as if it was exposed using proper technical factors?
Histogram analysis
Edge enhancement
Quantization
Rescaling
rescaling
After the injection of contrast for an intravenous urogram, it is noticed that the patient is suffering from hydronephrosis.
To ensure adequate filling of the ureters with contrast medium, which of the following positions might be added to the
examination?
LPO
Prone
RPO
supine
prone
An axial projection of the clavicle is often helpful in demonstrating a fracture not visualized using a perpendicular central
ray. If the department protocol is to examine the clavicle using an anteroposterior AP axial projection, what is the
degree and direction of central ray angulation?
35 45 degree cephalad
15 30 degree caudad
15 30 degree cephalad
35 45 degree caudad
15-30 degree cephalad
At the conclusion of an injection of iodinated contrast, you notice the patient scratching at one of several scattered,
localized, red swollen patches. What is the best response to this situation?
Assess the patient’s vital signs and notify the physician
Assure the patient that this is normal and continue with the required imaging
Call the emergency response team
Monitor the patient’s vital signs and administer oral Benadryl
assess the patient’s vital signs and notify the physician
Why is the recumbent position preferred to the erect position for post-fluoroscopic esophagram images?
facilitates the use of double contrast studies
Barium flow is slowed allowing for more complete filling
Easier for the patient to hold barium and drink for exposure
Possible to drink barium faste
Barium flow is slowed allowing for more complete filling
What type of technique chart uses the rule to double or halve mAs for every 5 centimeters of subject thickness?
Anatomically programmed technique system
Automatic exposure control
Fixed kVp, variable mAs
Fixed mAs, variable kVp
fixed kVp, variable mAs
What is the most common cause of an off-level grid error?
Grid is not centered to the radiation beam
Grid is placed upside-down
Grid is used at the wrong source-to-image distance SID
Grid misalignment due to uneven patient weight distribution
Grid misalignment due to uneven patient weight distribution
If you find a person unconscious and the collapse was not witnessed, what rescue action should be performed first?
Establish responsiveness
Call for help
Determine if there is a pulse
Check if the person is breathing
determine if there is a pulse
An “apple core” lesion typically is related to which of the following pathologies?
Chondrosarcoma
Cirrhosis
Colon cancer
Renal calculi
colon cancer
The resistance to electric flow through a circuit is measured in:
Amperes
Hertz
Ohms
Volts
ohms
For a right anterior oblique RAO esophogram, the patient is rotated:
45 degrees from prone
1015 degrees from prone
2030 degrees from prone
3540 degrees from prone
35-40 degrees from prone
Which two 2) of the following are controlled by kVp? Select two)
Beam quality
Tube current
Electric potential
Electron production
beam quality
electrical potential
Which quality control test evaluates the alignment of the light and radiation field in a radiographic system?
Focal spot size test
Collimation accuracy test
Shutter accuracy test
Grid alignment test
collimation accuracy test
Which anatomic structure of the kidney drains directly into the ureter?
Major calyces
Cortex
Medulla
Renal pelvis
renal pelvis
How many tarsal bones are found in the adult foot?
7
Which three 3 of the following demographics are at an increased risk of developing sensory alterations, or a change in
the pattern of sensory stimuli, followed by an abnormal response to such stimuli?
Adolescent patients
Elderly patients
Patients in isolation
Immobilized patients
Post-partum patients
Elderly patients
Patients in isolation
Immobilized patients
The Occupational Safety and Health Administration OSHA is responsible for establishing standards for occupational
workers for which of the following:
Certificate of need CON programs
Accreditation of magnetic resonance imaging
Handling and disposal of hazardous materials
National patient safety goals
Handling and disposal of hazardous materials
What process is used to display the digital image with the optimal brightness and contrast based on the part being
imaged?
Histogram analysis
Look-up table LUT adjustments
Quantization
Smoothing
LUT adjustments
Which of these changes will increase the amount of thermionic emission occurring in the x-ray tube?
Increased kilovoltage peak (kVp)
Increased focal spot size (FSS)
Increased milliamperage (mA)
Increased source-to-image distance SID
increased mA
Which body type will have a stomach that is high and transverse?
Asthenic
Hypersthenic
Hyposthenic
Sthenic
hypersthenic
Low energy photons will most likely result in what type of interaction in the body?
Compton
Photoelectric
Characteristic
Pair Production
photoelectric
The vermiform appendix is attached to the:
Ileum
Cecum
Ileocecal valve
Sigmoid colon
cecum
Which of the following structures are best demonstrated on the lateral projection of the thoracic spine?
Zygapophyseal joints
Intervertebral foramina
Zygapophyseal joints
