HESI V2 practice test QUESTIONS & DETAILED
CORRECT ANSWERS
1. In which way can the radiographer minimize mo- d. decrease
exposure time
tion due to peristalsis?
a. give the patient explicit instructions
b. expose the radiograph on expiration
c. expose the radiograph on inspiration
d. decrease exposure time
2. which statement is correct regarding 4. Which factor
the rela- tionship of patient dose to would the
exposure index (EI)? radiographer
choose to
a. EI is always greater than the patient's maximize
dose recorded
b. EI gives a very accurate representation of detail in the
pa- tient dose image?
c. EI gives an approximation of the
patient's dose a. Low
d. EI gives an exact measurement of milliampere-
patient dose seconds
(mAs).
3. Assuming other exposure factors remain b. Small focal
the same, which source-to-image- spot.
receptor-distance (SID) causes the
greatest reduction in x-ray quan- tity at
the image receptor (IR)?
a,.44 inches.
b. 60 inches.
c. 72 inches.
d. 40 inches.
,HESI V2 practice test QUESTIONS & DETAILED
CORRECT ANSWERS
c. EI gives an approximation of the patient's dose
c. 72 inches.
b. Small focal spot.
,HESI V2 practice test QUESTIONS & DETAILED
CORRECT ANSWERS
c. 100 cm source to image receptor 8. Digital
distance (SID). radiography
d. High kilovolts peak (kVp). has the
ability to
5. Which will increase the appearance of produce
noise in a digital image, assuming only 16,000
the named factor in each response is shades of
changed? gray. What
appropriate
a. Large matrix.
bit depth
b. Increased mAs.
(dynamic
c. High kVp technique.
range) does
d. Short SID.
this
6. What is the result if the total lead represent?
content of a grid is decreased?
a. Decreased scatter absorption.
b. Greater image contrast.
c. Higher patient dose.
d. Increased scatter absorption
7. If a radiographer wanted to double
image den- sity without doubling the
patient's dose, which action should be
taken?
a. Double milliampere-seconds (mAs).
b. Increase kilovolts peak (kVp) by 15%.
c. Increase milliampere-seconds (mAs) by
15%.
d. Double kilovolts peak (kVp).
, HESI V2 practice test QUESTIONS & DETAILED
CORRECT ANSWERS
a. Large matrix.
a. Decreased scatter absorption.
b. Increase kilovolts peak (kVp) by 15%.
d. 14 bit depth.
CORRECT ANSWERS
1. In which way can the radiographer minimize mo- d. decrease
exposure time
tion due to peristalsis?
a. give the patient explicit instructions
b. expose the radiograph on expiration
c. expose the radiograph on inspiration
d. decrease exposure time
2. which statement is correct regarding 4. Which factor
the rela- tionship of patient dose to would the
exposure index (EI)? radiographer
choose to
a. EI is always greater than the patient's maximize
dose recorded
b. EI gives a very accurate representation of detail in the
pa- tient dose image?
c. EI gives an approximation of the
patient's dose a. Low
d. EI gives an exact measurement of milliampere-
patient dose seconds
(mAs).
3. Assuming other exposure factors remain b. Small focal
the same, which source-to-image- spot.
receptor-distance (SID) causes the
greatest reduction in x-ray quan- tity at
the image receptor (IR)?
a,.44 inches.
b. 60 inches.
c. 72 inches.
d. 40 inches.
,HESI V2 practice test QUESTIONS & DETAILED
CORRECT ANSWERS
c. EI gives an approximation of the patient's dose
c. 72 inches.
b. Small focal spot.
,HESI V2 practice test QUESTIONS & DETAILED
CORRECT ANSWERS
c. 100 cm source to image receptor 8. Digital
distance (SID). radiography
d. High kilovolts peak (kVp). has the
ability to
5. Which will increase the appearance of produce
noise in a digital image, assuming only 16,000
the named factor in each response is shades of
changed? gray. What
appropriate
a. Large matrix.
bit depth
b. Increased mAs.
(dynamic
c. High kVp technique.
range) does
d. Short SID.
this
6. What is the result if the total lead represent?
content of a grid is decreased?
a. Decreased scatter absorption.
b. Greater image contrast.
c. Higher patient dose.
d. Increased scatter absorption
7. If a radiographer wanted to double
image den- sity without doubling the
patient's dose, which action should be
taken?
a. Double milliampere-seconds (mAs).
b. Increase kilovolts peak (kVp) by 15%.
c. Increase milliampere-seconds (mAs) by
15%.
d. Double kilovolts peak (kVp).
, HESI V2 practice test QUESTIONS & DETAILED
CORRECT ANSWERS
a. Large matrix.
a. Decreased scatter absorption.
b. Increase kilovolts peak (kVp) by 15%.
d. 14 bit depth.
