HESI- Practice Test 1 Questions and Correct Answers
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Which identifying information is important to include on each digital
image?
Ans: Patient's date of birth
Patient's name
Health care facility
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During preparation for a surgical procedure, an unopened sterile package
becomes damp from an accidental spill of saline. Which response is most
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appropriate?
Ans: During preparation for a surgical procedure, an unopened sterile
package becomes damp from an accidental spill of saline. Which
response is most appropriate?
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As a result of imaging pregnant patients, which is the fetal exposure for
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most radiographic exams?
Ans: Less than 0.01 gray (1 rad)
What is the best projection and position to demonstrate the right cervical
intervertebral foramina?
Ans: Anteroposterior (AP) axial oblique projection, left posterior oblique
(LPO) position
An anteroposterior (AP) oblique mortise joint projection demonstrates
the distal fibula without talar superimposition and an open talofibular
joint. What should the radiographer do next?
Ans: No correction needed
The tarsal sinus is visualized when the foot is seen in what projection?
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Ans: 30 degree medial oblique
Which statement is true regarding exposure indicator and the evaluation
of digital images?
Ans: Exposure indicator must be reviewed with every image and must
fall within the manufacturer's acceptable range
The only saddle joint in the body is found between which two bones?
Ans: Trapezium and first metacarpal
How is signal maximized to a digital image receptor?
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Ans: Longer exposure time
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Study the posteroanterior (PA) chest projection. What best summarizes an
evaluation of this image?
Ans: The first ribs are clipped; so, it should be repeated.
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Which standard governs communication between the system that
contains the patient's full medical information and the system that has
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radiology-specific data?
Ans: Health level 7 (HL-7)
What type of relationship does cell growth rate have on the sensitivity of
tissues to ionizing radiation?
Ans: Direct
Which term describes stray radiation that is emitted through the x-ray
tube housing?
Ans: Leakage
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A radiographic rating chart is provided for a portable unit. Which
combination of milliamperes (mA), seconds, and kilovolts peak (kVp) is
permissible for a single exposure according to the chart?
Ans: 100 mA, 1/20 second, 110 kV
What is the magnitude of the angle formed by the intervertebral foramina
and the midsagittal plane in the thoracic spine?
Ans: 90 degrees
What is the term for a reduction in x-ray photon intensity as it passes
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through the patient?
Ans: Attenuation
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What is the maximum speed of filament electrons as they travel toward
the anode?
Ans: Half the speed of light
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A radiographer prepares to transfer a patient from a wheelchair to the x-
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ray table. The patient recently suffered a stroke, exhibits left-sided
weakness, and is able to bear some weight. How should the radiographer
move the patient to the table?
Ans: Position the left side of the wheelchair next to the table.
Position the right side of the wheelchair next to the table
Prior to performing a posteroanterior (PA) chest projection with
automatic exposure control (AEC), the radiographer discovers that the
patient has had a right total pneumonectomy. Which technical
consideration should be considered?
Ans: Selecting only the detector on the left side