ASRT EXAM 2 2026/2027 QUESTIONS AND
CORRECT ANSWERS GRADED A+
The cumulative timer on the fluoroscopy unit is a protective device to remind the
operator of the exposure time. The cumulative timer must be reset every ______
minutes.
A) 2
B) 3
C) 5
D) 10
C) 5
For a PA projection of the chest, the central ray is adjusted parallel to _______ and
enters at the level of ________.
A) T7; the midcoronal plane
B) T7; the midsagittal plane
C) the midcoronal plane; T7
D) the midsagittal plane; T7
D) the midsagittal plane; T7
MOST cell damage from ionizing radiation occurs when x-rays interact with:
,A) free radicals.
B) DNA.
C) water molecules.
D) electrons.
C) water molecules.
Current that flows in only one direction is called _________ current.
A) battery
B) direct
C) alternating
D) outlet
B) direct
While performing intravenous drug injections, it is necessary to decrease the angle
of the needle once a flashback is seen in the intravenous catheter to:
A) avoid passing through the vein.
B) avoid puncturing a vein.
C) stabilize the vein.
D) release pressure on the vein.
A) avoid passing through the vein.
,Increasing the kVp from 70 to 80 will result in an increase in all of the following
EXCEPT the ________ of ________ photons.
A) quantity; bremsstrahlung
B) quantity; characteristic
C) quality; bremsstrahlung
D) quality; characteristic
D) quality; characteristic
Which of the following is a benign tumor arising from Schwann cells of the eighth
cranial nerve?
A) pituitary adenoma
B) multiple myeloma
C) osteoma
D) acoustic neuroma
D) acoustic neuroma
An increase in the difference between the atomic numbers or densities of adjacent
tissues results in increased:
A) subject contrast.
, B) distortion.
C) spatial resolution.
D) receptor exposure.
A) subject contrast.
The maximum annual exposure for the general population is ____ mSv/year,
which is ____ that permissible for occupationally exposed individuals.
A) 5; 1/10
B) 50; 1/20
C) 500; 1/20
D) 0.5; 1/10
A) 5; 1/10
Which of the following are properties of positive contrast agents? 1. composed of
low-atomic number elements 2. increase x-ray attenuation 3. produce areas of
decreased density on the image
A) 1 and 2
B) 1 and 3
C) 2 and 3
D) 1, 2, and 3
C) 2 and 3
CORRECT ANSWERS GRADED A+
The cumulative timer on the fluoroscopy unit is a protective device to remind the
operator of the exposure time. The cumulative timer must be reset every ______
minutes.
A) 2
B) 3
C) 5
D) 10
C) 5
For a PA projection of the chest, the central ray is adjusted parallel to _______ and
enters at the level of ________.
A) T7; the midcoronal plane
B) T7; the midsagittal plane
C) the midcoronal plane; T7
D) the midsagittal plane; T7
D) the midsagittal plane; T7
MOST cell damage from ionizing radiation occurs when x-rays interact with:
,A) free radicals.
B) DNA.
C) water molecules.
D) electrons.
C) water molecules.
Current that flows in only one direction is called _________ current.
A) battery
B) direct
C) alternating
D) outlet
B) direct
While performing intravenous drug injections, it is necessary to decrease the angle
of the needle once a flashback is seen in the intravenous catheter to:
A) avoid passing through the vein.
B) avoid puncturing a vein.
C) stabilize the vein.
D) release pressure on the vein.
A) avoid passing through the vein.
,Increasing the kVp from 70 to 80 will result in an increase in all of the following
EXCEPT the ________ of ________ photons.
A) quantity; bremsstrahlung
B) quantity; characteristic
C) quality; bremsstrahlung
D) quality; characteristic
D) quality; characteristic
Which of the following is a benign tumor arising from Schwann cells of the eighth
cranial nerve?
A) pituitary adenoma
B) multiple myeloma
C) osteoma
D) acoustic neuroma
D) acoustic neuroma
An increase in the difference between the atomic numbers or densities of adjacent
tissues results in increased:
A) subject contrast.
, B) distortion.
C) spatial resolution.
D) receptor exposure.
A) subject contrast.
The maximum annual exposure for the general population is ____ mSv/year,
which is ____ that permissible for occupationally exposed individuals.
A) 5; 1/10
B) 50; 1/20
C) 500; 1/20
D) 0.5; 1/10
A) 5; 1/10
Which of the following are properties of positive contrast agents? 1. composed of
low-atomic number elements 2. increase x-ray attenuation 3. produce areas of
decreased density on the image
A) 1 and 2
B) 1 and 3
C) 2 and 3
D) 1, 2, and 3
C) 2 and 3
