ASRT EXAM 1 QUESTIONS WITH 100% VERIFIED CORRECT ANSWERS 2024/2025
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Course
ASRT
Institution
ASRT
ASRT EXAM 1 QUESTIONS WITH 100% VERIFIED CORRECT ANSWERS 2024/2025
Using a 75 kVp x-ray beam with a 0.25 mm lead-equivalent apron provides protection from _______ of
the beam.
A) 55%
B) 66%
C) 77%
D) 88% - Correct Answer B) 66%
A 25-gauge, 0.5-inch needle is BEST used for a(n) ________ inj...
ASRT EXAM 1 QUESTIONS WITH 100%
VERIFIED CORRECT ANSWERS
2024/2025
Using a 75 kVp x-ray beam with a 0.25 mm lead-equivalent apron provides protection from _______
of
the beam.
A) 55%
B) 66%
C) 77%
D) 88% - Correct Answer B) 66%
A 25-gauge, 0.5-inch needle is BEST used for a(n) ________ injection.
A) intradermal
B) intramuscular
C) subcutaneous
D) intravenous - Correct Answer C) subcutaneous
Which of the following technical factors simultaneously affects overall image quality and radiation
quantity
while producing the x-ray beam?
A) kVp
B) object-to-image distance (OID)
C) half-value layer (HVL)
D) detective quantum efficiency (DQE) - Correct Answer A) kVp
Which of the following is a cranial bone?
A) mandible
B) parietal
C) vomer
D) maxillary - Correct Answer B) parietal
,Select the item below that is NOT required as part of a standardized technique chart.
A) source-to-image distance (SID)
B) object-to-image distance (OID)
C) mA
D) kVp - Correct Answer B) object-to-image distance (OID)
When positioning a patient for an AP projection (open-mouth technique) for C1-C2, the ________
plane/lines should be perpendicular to the image receptor.
A) coronal
B) interpupillary
C) occlusal
D) mentomeatal - Correct Answer C) occlusal
Which of the following radiographic evaluation criterion demonstrates proper inspiration on a PA
projection of the chest?
A) sternal ends of the clavicles equidistant from the vertebral column
The BEST reason to use touch for emphasis when performing a radiologic examination is to:
A) specify instructions or locations.
B) convey empathy.
C) measure a body part before choosing exposure factors.
D) identify landmarks on the patient - Correct Answer A) specify instructions or locations.
When obtaining images for a bone age protocol on an infant, it is BEST to use the ________ to
________.
A) large focal spot; increase OID
B) large focal spot; optimize spatial resolution
, C) small focal spot; increase OID
D) small focal spot; optimize spatial resolution - Correct Answer D) small focal spot; optimize spatial
resolution
All of the following EXCEPT ________ will result in an increase in AEC response time.
A) decreasing the kVp
B) increasing the focal spot size
C) increasing the part thickness
D) increasing the source-to-image distance (SID) - Correct Answer B) increasing the focal spot size
The ejection of an electron from an atom or molecule is known as:
A) ionization.
B) trephination.
C) excitation.
D) polymerization - Correct Answer A) ionization.
The primary function of filtration is to reduce:
A) patient skin dose.
B) operator dose.
C) film noise.
D) scattered radiation. - Correct Answer A) patient skin dose.
Primary radiation barriers must be AT LEAST ______ feet high.
A) 5
B) 6
C) 7
D) 8 - Correct Answer C) 7
Irradiation of the embryo during the first week of development to equivalent doses exceeding 200
mSv
frequenatly results in:
A) no effect.
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