ARRT Final Exam 2024-2025: Authentic Test Bank with 200 Verified Questions & Detailed Correct
Answers | Top-Graded A+
To eject a K-shell electron from a tungsten atom, the incoming electron must have an energy of at
least:
A. 60 keV
B. 70 keV
C. 70 mA
D. 70 V
B
Which function is RIS capable of performing?
a. tracking all billing information for the patient
b. tracking radiologic imaging exams
c. processing laboratory results
d. tracking a patient's entire medical history
B
Which is the most commonly fractured carpal bone?
a. trapezium
b. hamate
c. lunate
d. scaphoid
D
Which knee projection will best demonstrate the knee joint?
a. Tunnel
b. Sunrise
c. Rosenberg
d. Lateral
D
The AP knee xray image demonstrates the entire fibular head superimposed upon the tibia. The
positioning error is:
a. the patient did not have toes flexed
b. the patient's toes were everted
c. the patient's toes were inverted
d. the patient was not standing with both feet flat on the floor
B
Which medical condition may require a lower technique?
a. atelectasis
b. emphysema
,c. pneumonia
d. pleural effusion
B
Which of the basic projections of the elbow best demonstrates the trochlear notch?
a. AP with lateral rotation
b. AP with medial rotation
c. lateral
d. AP
B
To take advantage of the anode heel affect for the AP projection of the thoracic spine, the patient
should be placed on the table:
a. the patient on the x-ray table with the x-ray tube directed horizontally
b. the patient on the x-ray table with the x-ray tube directed at an angle of 15 degrees cephalad
c. the head under the anode side of the x-ray tube
d. the head under the cathode side of the x-ray tube
C
Toward which aspect(s) of the stomach will barium gravitate with the patient in the prone position?
a. cardiac
b. fundus
c. body and pylorus
d. fundus and body
C
What degree of obliquity is required for posterior oblique positions for the sacroiliac joints?
a. 25 to 30 degrees
b. 60 to 70 degrees
c. 10 t0 15 degrees
d. 45 degrees
A
The subsequent effect of the Radiation Equivalent Dose (EqD) of 2.0 Sv to biologic tissue will likely
result in:
a. 50% chance of death
b. Temporary sterility
c. Blood changes only
d. Erythema
D
What is the difference, in degrees, between the infraorbitalmeatal line and the orbitalmeatal line?
a. 15-20 degrees
b. 20-25 degrees
,c. 7-8 degrees
d. 10 degrees
C
What is the mean value of the radiation doubling equivalent dose for humans, as determined from
the children of the atomic bomb survivors of Hiroshima and Nagasaki?
a. 3.00 Sv
b. 1.00 Sv
c. 1.56 Sv
d. 5.67 Sv
C
What is the monthly dose limit for the embryo and fetus?
a. 0.1 mSv
b. 0.01 mSv
c. 0.5 mSv
d. 5.0 mSv
C
What is the normal range for an average adult patient's blood urea nitrogen (BUN), creatinine, and
GFR?
a. BUN:8-25 mg/dL ; creatinine: 0.6-1.5 mg/dL ; GFR is above 60
b. BUN: 0.6-1.5 mg/dL ; creatinine: 8-25 mg/dL ; GFR is above 60
c. BUN:20-30 mg/dL ; creatinine 1.7-2.2 mg/dL ; GFR is below 60
d. BUN:30-40 mg/dL ; creatinine 0.6-1.5 mg/dL ; GFR is below 60
A
What is the primary disadvantage of performing an AP projection of the chest rather than a PA?
a. increased magnification of the heart
b. AP projection requires more kV as compared with the PA projection
c. more radiation exposure to the lungs
d. distortion of the ribs
A
X-ray quantity increases in direct proportion to increases in ____.
a. mAs
b. kVp
c. distance
d. filtration
A
Which of the following part of the image intensifier is the first to interact with the x-rays that have
exited the patient?
A. output phosphor
, B. input phosphor
C. photocathode
D. anode
B
____ is a late effect of radiation exposure.
a. Erythema
b. Nausea
c. Cancer
d. Epilation
C
The effective focal spot size is affected by which of the following?
a. anode rotation speed
b. amount of filtration
c. target angle of the anode
d. anode heel effect
C
What type of CR angle is required for posterior oblique positions of the cervical spine?
a. 5-10 degrees cephalad
b. CR is perpendicular to IR
c. 15 degrees caudad
d. 15 degrees cephalad
D
A MRI procedure is contraindicated for a patient who has:
a. a pacemaker that was placed 15 years ago
b. dental fillings
c. subdural bleeding
d. scoliosis
A
A particular radiograph was produced using 8 mAs and 84 kVp with an 8:1 ratio grid. The image is to
be repeated using a 16:1 ratio grid. What should be the new mAs to adjust for the grid ratio change?
Grid ratio and conversion factor
5:1 ratio - conversion factor of 2
6:1 ratio - conversion factor of 3
8:1 ratio - conversion factor of 4
12:1 ratio - conversion factor of 5
16:1 ratio - conversion factor of 6
Answers | Top-Graded A+
To eject a K-shell electron from a tungsten atom, the incoming electron must have an energy of at
least:
A. 60 keV
B. 70 keV
C. 70 mA
D. 70 V
B
Which function is RIS capable of performing?
a. tracking all billing information for the patient
b. tracking radiologic imaging exams
c. processing laboratory results
d. tracking a patient's entire medical history
B
Which is the most commonly fractured carpal bone?
a. trapezium
b. hamate
c. lunate
d. scaphoid
D
Which knee projection will best demonstrate the knee joint?
a. Tunnel
b. Sunrise
c. Rosenberg
d. Lateral
D
The AP knee xray image demonstrates the entire fibular head superimposed upon the tibia. The
positioning error is:
a. the patient did not have toes flexed
b. the patient's toes were everted
c. the patient's toes were inverted
d. the patient was not standing with both feet flat on the floor
B
Which medical condition may require a lower technique?
a. atelectasis
b. emphysema
,c. pneumonia
d. pleural effusion
B
Which of the basic projections of the elbow best demonstrates the trochlear notch?
a. AP with lateral rotation
b. AP with medial rotation
c. lateral
d. AP
B
To take advantage of the anode heel affect for the AP projection of the thoracic spine, the patient
should be placed on the table:
a. the patient on the x-ray table with the x-ray tube directed horizontally
b. the patient on the x-ray table with the x-ray tube directed at an angle of 15 degrees cephalad
c. the head under the anode side of the x-ray tube
d. the head under the cathode side of the x-ray tube
C
Toward which aspect(s) of the stomach will barium gravitate with the patient in the prone position?
a. cardiac
b. fundus
c. body and pylorus
d. fundus and body
C
What degree of obliquity is required for posterior oblique positions for the sacroiliac joints?
a. 25 to 30 degrees
b. 60 to 70 degrees
c. 10 t0 15 degrees
d. 45 degrees
A
The subsequent effect of the Radiation Equivalent Dose (EqD) of 2.0 Sv to biologic tissue will likely
result in:
a. 50% chance of death
b. Temporary sterility
c. Blood changes only
d. Erythema
D
What is the difference, in degrees, between the infraorbitalmeatal line and the orbitalmeatal line?
a. 15-20 degrees
b. 20-25 degrees
,c. 7-8 degrees
d. 10 degrees
C
What is the mean value of the radiation doubling equivalent dose for humans, as determined from
the children of the atomic bomb survivors of Hiroshima and Nagasaki?
a. 3.00 Sv
b. 1.00 Sv
c. 1.56 Sv
d. 5.67 Sv
C
What is the monthly dose limit for the embryo and fetus?
a. 0.1 mSv
b. 0.01 mSv
c. 0.5 mSv
d. 5.0 mSv
C
What is the normal range for an average adult patient's blood urea nitrogen (BUN), creatinine, and
GFR?
a. BUN:8-25 mg/dL ; creatinine: 0.6-1.5 mg/dL ; GFR is above 60
b. BUN: 0.6-1.5 mg/dL ; creatinine: 8-25 mg/dL ; GFR is above 60
c. BUN:20-30 mg/dL ; creatinine 1.7-2.2 mg/dL ; GFR is below 60
d. BUN:30-40 mg/dL ; creatinine 0.6-1.5 mg/dL ; GFR is below 60
A
What is the primary disadvantage of performing an AP projection of the chest rather than a PA?
a. increased magnification of the heart
b. AP projection requires more kV as compared with the PA projection
c. more radiation exposure to the lungs
d. distortion of the ribs
A
X-ray quantity increases in direct proportion to increases in ____.
a. mAs
b. kVp
c. distance
d. filtration
A
Which of the following part of the image intensifier is the first to interact with the x-rays that have
exited the patient?
A. output phosphor
, B. input phosphor
C. photocathode
D. anode
B
____ is a late effect of radiation exposure.
a. Erythema
b. Nausea
c. Cancer
d. Epilation
C
The effective focal spot size is affected by which of the following?
a. anode rotation speed
b. amount of filtration
c. target angle of the anode
d. anode heel effect
C
What type of CR angle is required for posterior oblique positions of the cervical spine?
a. 5-10 degrees cephalad
b. CR is perpendicular to IR
c. 15 degrees caudad
d. 15 degrees cephalad
D
A MRI procedure is contraindicated for a patient who has:
a. a pacemaker that was placed 15 years ago
b. dental fillings
c. subdural bleeding
d. scoliosis
A
A particular radiograph was produced using 8 mAs and 84 kVp with an 8:1 ratio grid. The image is to
be repeated using a 16:1 ratio grid. What should be the new mAs to adjust for the grid ratio change?
Grid ratio and conversion factor
5:1 ratio - conversion factor of 2
6:1 ratio - conversion factor of 3
8:1 ratio - conversion factor of 4
12:1 ratio - conversion factor of 5
16:1 ratio - conversion factor of 6
