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HESI RADIOGRAPHY PRACTICE TEST 1 Exam Questions And Answers. Verified And Updated. $14.49   Add to cart

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HESI RADIOGRAPHY PRACTICE TEST 1 Exam Questions And Answers. Verified And Updated.

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HESI RADIOGRAPHY PRACTICE TEST 1 Exam Questions And Answers. Verified And Updated. How is signal maximized to a digital image receptor? a. Lower milliamperage (mA) setting. b. Shorter exposure time. c. Higher source to image receptor distance (SID) value. d. Longer exposure time. d. Longer ...

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  • August 5, 2024
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  • 2024/2025
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HESI RADIOGRAPHY PRACTICE TEST 1
Exam Questions And Answers. Verified And
Updated.

How is signal maximized to a digital image receptor?

a. Lower milliamperage (mA) setting.

b. Shorter exposure time.

c. Higher source to image receptor distance (SID) value.

d. Longer exposure time.
d. Longer exposure time.
The greatest signal strength is obtained with longer exposure time. The other responses reduce
signal at the digital image receptor.
Which is the best approach for speaking to a patient with a hearing impairment?

a. Ask patient to adjust hearing aid volume.

b. Speak in a low register.

c. Talk very slowly.

d. Do not make eye contact.
b. Speak in a low register.
Patients with hearing loss most often have difficulty hearing voices in a high register, so
speaking in a low register is recommended. Speaking at a moderate pace is preferable, rather
than very slowly. It is best to face the patient with hearing loss, so good eye contact is
appropriate. Patients should not be advised to adjust their hearing aids in order to facilitate
communication.




EXAM STUDY MATERIALS July 25, 2024 1:06 PM

,Which protective feature is designed to reduce exposure to the patient during fluoroscopic
procedures?

a. Bucky slot cover.

b. Magnification mode.

c. Protective curtain.

d. Foot switch.
d. Foot switch.
Radiologists are trained to repeatedly depress and release the fluoroscopic foot switch in order to
reduce beam-on time and patient exposure. The bucky slot cover and protective curtain are
designed to reduce exposure to personnel, rather than to the patient. While the magnification
mode is helpful in certain situations, it does increase exposure to the patient.


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How can digital radiography contribute to patient dose reduction today, in spite of generally
being slower in system speed than 400 speed film screen systems?

a. Lower kilovolts peak (kVp) should be used with digital.

b. Lower milliampere-seconds (mAs) should be used with digital.

c. Higher milliampere-seconds (mAs) should be used with digital.

d. Higher kilovolts peak (kVp) should be used with digital
d. Higher kilovolts peak (kVp) should be used with digital
Higher kVp should be used with digital radiography, because lost contrast can be replaced during
image processing. The net effect is a patient dose reduction compared to film-screen systems for
the same body part. Lower kVp should not be used. Lower mAs cannot be assured due to the
speed of the imaging system, but it may result from the choice of higher kVp. Higher mAs may
be required due to the speed of the imaging system, but it certainly does not contribute to patient
dose reduction.


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EXAM STUDY MATERIALS July 25, 2024 1:06 PM

,Which position should a patient be placed in immediately following a seizure?

a. Dorsal recumbent.

b. Sitting.

c. Lateral recumbent.

d. Ventral recumbent.
c. Lateral recumbent.
Lateral recumbent is the preferred position for patients to be placed after having a seizure to
avoid aspiration of secretions. Dorsal recumbent inhibits breathing and does not prevent
aspiration. Ventral recumbent hides the patient's face from being observed for further
complications. Sitting is contraindicated due to the patient weakness following the seizure.


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Who judges radiographic images for quality? (Select the four that apply.)

a. Ordering physicians.

b. Lawyers.

c. Radiologists.

d. Radiographers.

e. Quality control technologists
a. Ordering physicians.
c. Radiologists.
d. Radiographers.
e. Quality control technologists
Radiographs are judged for quality by essentially all quality control technologists, ordering
physicians, radiographers, and radiologists who see them. Lawyers depend upon hired expert
radiologists to judge radiographs for them.


EXAM STUDY MATERIALS July 25, 2024 1:06 PM

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How does the Density log Exposure (D log E) curve appear for a digital imaging receptor (IR)?

a. A straight line at a 45 degree angle.

b. An S curve.

c. A shallow slope.

d. A steep slope.
a. A straight line at a 45 degree angle.
D log E curves for digital imaging demonstrate the wide dynamic range of the image receptor as
a straight line at a 45 degree angle. As an image is windowed, the data is moved up and down the
45 degree line. D log E curves are bell curves with the left half of the bell demonstrated. A steep
slope and shallow slope pertain to film/screen imaging.
Following administration of contrast media, the radiologist asks the radiographer to obtain a
conus projection. Which patient position and centering point should be used for the image?

a. Lateral centered to L3-L4.

b. Anteroposterior (AP) centered to L3-L-4.

c. Lateral centered to T12-L-1.

d. Anteroposterior (AP) centered to T-12-L
d. Anteroposterior (AP) centered to T-12-L
The conus projection is used to image the conus medullaris or terminal end of the spinal cord. It
terminates at L1-L2. An AP position centered to T12-L1 is obtained to best image this structure.
An AP centered to L3-L4 is below the conus medullaris. A lateral position centered to T12-L1
does not demonstrate the conus medullaris as well as in the AP position. Using a lateral centered
to L3-L4 is below the level of the conus medullaris.
Which term describes stray radiation that is emitted through the x-ray tube housing?

a. Exit.

b. Off-focus.

EXAM STUDY MATERIALS July 25, 2024 1:06 PM

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