Radiology Exit Exam- HESI Newest
With Questions And Answers
2026/2027|Graded A+
The reduction of radiation intensity due to scattering and absorption is called __________.
a. reflection
b. refraction
c. attenuation
d. Dispersion - ANSWER>c
Localized lack of sharpness on a radiograph may be diagnosed with which of the following tests?
a. Wire mesh test
b. Pinhole camera test
c. Use of a digital dosimeter to determine HVL
d. Use of a digital dosimeter to determine exposure linearity - ANSWER>b
A particular x-ray room is "shooting dark." The problem arises when a change is made from 200 to 300 mA using
fixed kVp techniques at 0.16 second. Which of the following would lead to an accurate diagnosis of the problem?
,a. Wire mesh test
b. Pinhole camera test
c. Use of a digital dosimeter to determine HVL
d. Use of a digital dosimeter to determine exposure linearity - ANSWER>a
A tube rating chart is used to determine:
a. The safety of a single exposure
b. The safety of a series of exposures such as those performed in tomography
c. Patient dose per mAs
d. The number of exposures made on the anode - ANSWER>c
Voltage ripple of 100% is characteristic of:
a. Single-phase power
b. Three-phase, six-pulse power
c. Three-phase, 12-pulse power
d. High-frequency power6754 - ANSWER>a
,The accuracy of collimation at a 40-inch SID must be:
a. ±4 inches
b. ±8/10 inch
c. ±1 inch
d. ±1/10 inch - ANSWER>a
The apparent size of the focal spot as viewed by the image receptor is called the:
a. Actual focal spot
b. Target angle spot
c. Anode heel effect
d. Effective focal spot - ANSWER>d
What component is used to focus the electron beam?
a. A
b. B
c. C
d. D - ANSWER>c
, Where is the electronic image(electrons) produced?
a. A
b. B
c. C
d. D - ANSWER>b
From where is the visible image distributed to viewing and/or recording media?
a. A
b. B
c. C
d. D - ANSWER>d
Where is x-ray energy converted to visible light?
a. A
b. B
c. C
With Questions And Answers
2026/2027|Graded A+
The reduction of radiation intensity due to scattering and absorption is called __________.
a. reflection
b. refraction
c. attenuation
d. Dispersion - ANSWER>c
Localized lack of sharpness on a radiograph may be diagnosed with which of the following tests?
a. Wire mesh test
b. Pinhole camera test
c. Use of a digital dosimeter to determine HVL
d. Use of a digital dosimeter to determine exposure linearity - ANSWER>b
A particular x-ray room is "shooting dark." The problem arises when a change is made from 200 to 300 mA using
fixed kVp techniques at 0.16 second. Which of the following would lead to an accurate diagnosis of the problem?
,a. Wire mesh test
b. Pinhole camera test
c. Use of a digital dosimeter to determine HVL
d. Use of a digital dosimeter to determine exposure linearity - ANSWER>a
A tube rating chart is used to determine:
a. The safety of a single exposure
b. The safety of a series of exposures such as those performed in tomography
c. Patient dose per mAs
d. The number of exposures made on the anode - ANSWER>c
Voltage ripple of 100% is characteristic of:
a. Single-phase power
b. Three-phase, six-pulse power
c. Three-phase, 12-pulse power
d. High-frequency power6754 - ANSWER>a
,The accuracy of collimation at a 40-inch SID must be:
a. ±4 inches
b. ±8/10 inch
c. ±1 inch
d. ±1/10 inch - ANSWER>a
The apparent size of the focal spot as viewed by the image receptor is called the:
a. Actual focal spot
b. Target angle spot
c. Anode heel effect
d. Effective focal spot - ANSWER>d
What component is used to focus the electron beam?
a. A
b. B
c. C
d. D - ANSWER>c
, Where is the electronic image(electrons) produced?
a. A
b. B
c. C
d. D - ANSWER>b
From where is the visible image distributed to viewing and/or recording media?
a. A
b. B
c. C
d. D - ANSWER>d
Where is x-ray energy converted to visible light?
a. A
b. B
c. C
