Mock test 2

Question 1

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

Answer 1

increased exposure time

Question 2

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?

1520 degrees medially

2530 degrees medially

3540 degrees laterally

510 degrees laterally

Answer 2

1520 degrees medially

Question 3

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

Answer 3

30 degree lpo

Question 4

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

Answer 4

palpate the brachial artery

Question 5

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

Answer 5

rescaling

Question 6

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

Answer 6

prone

Question 7

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

Answer 7

15-30 degree cephalad

Question 8

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

Answer 8

assess the patient’s vital signs and notify the physician

Question 9

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

Answer 9

Barium flow is slowed allowing for more complete filling

Question 10

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

Answer 10

fixed kVp, variable mAs

Question 11

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

Answer 11

Grid misalignment due to uneven patient weight distribution

Question 12

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

Answer 12

determine if there is a pulse

Question 13

An “apple core” lesion typically is related to which of the following pathologies?
Chondrosarcoma
Cirrhosis
Colon cancer
Renal calculi

Answer 13

colon cancer

Question 14

The resistance to electric flow through a circuit is measured in:
Amperes
Hertz
Ohms
Volts

Answer 14

ohms

Question 15

For a right anterior oblique RAO esophogram, the patient is rotated:
45 degrees from prone
1015 degrees from prone
2030 degrees from prone
3540 degrees from prone

Answer 15

35-40 degrees from prone

Question 16

Which two 2) of the following are controlled by kVp? Select two)
Beam quality
Tube current
Electric potential
Electron production

Answer 16

beam quality
electrical potential

Question 17

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

Answer 17

collimation accuracy test

Question 18

Which anatomic structure of the kidney drains directly into the ureter?
Major calyces
Cortex
Medulla
Renal pelvis

Answer 18

renal pelvis

Question 19

How many tarsal bones are found in the adult foot?

Answer 19

7

Question 20

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

Answer 20

Elderly patients
Patients in isolation
Immobilized patients

Question 21

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

Answer 21

Handling and disposal of hazardous materials

Question 22

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

Answer 22

LUT adjustments

Question 23

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

Answer 23

increased mA

Question 24

Which body type will have a stomach that is high and transverse?
Asthenic
Hypersthenic
Hyposthenic
Sthenic

Answer 24

hypersthenic

Question 25

Low energy photons will most likely result in what type of interaction in the body?
Compton
Photoelectric
Characteristic
Pair Production

Answer 25

photoelectric

Question 26

The vermiform appendix is attached to the:
Ileum
Cecum
Ileocecal valve
Sigmoid colon

Answer 26

cecum

Question 27

Which of the following structures are best demonstrated on the lateral projection of the thoracic spine?
Zygapophyseal joints
Intervertebral foramina

Answer 27

Zygapophyseal joints