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ASRT EXAM 1 QUESTIONS WITH 100% VERIFIED CORRECT ANSWERS 2024/2025 R198,47
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ASRT EXAM 1 QUESTIONS WITH 100% VERIFIED CORRECT ANSWERS 2024/2025
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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...

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  • August 19, 2024
  • 22
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • using a 75 kvp x ray beam with a 025 mm lead equi
  • a 25 gauge 05 inch needle is best used for an
  • which of the following technical factors simultane
  • which of the following is a cranial bone

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  • ASRT
  • ASRT

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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

B) trachea visible in the midline of the body

C) scapulae projected outside of lung field

D) 10 posterior ribs visible above diaphragm - Correct Answer D) 10 posterior ribs visible above
diaphragm



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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