1 for specific request mail
HESI Comprehensive exam 1 Questions and Correct
Answers | Latest Update
Which item can be used as an indicator of the quality of the diagnostic x-
ray beam?
Ans: Kilovoltage peak (kVp)
Which condition represents the most likely indication for an
anteroposterior (AP) chest projection with the patient in the left lateral
decubitis position?
Assignment Expert
Ans: Effusion of the left lung
Guru01 - Stuvia
Which action is best taught to the patient using the communication
technique of demonstration?
Ans: The correct positioning for a particular projection
2026
Where is edge enhancement post processing most helpful in digital
radiography?
©
Ans: Low contrast studies
Which is the most likely cause of a histogram error?
Ans: Selection of an incorrect exam from the look-up table
During preparation for a surgical procedure, an unopened sterile package
becomes damp from an accidental spill of saline. Which response is most
appropriate?
Ans: Consider the package contaminated and replace it with a sterile
item.
Which is the most appropriate guideline to follow when radiographing
patients in their late adult years?
, 2 for specific request mail
Ans: Speak slowly and in a low tone of voice
What is the term for the adjustment of image brightness, regardless of
exposure received?
Ans: Rescaling
How does an increase in nose affect the quality of a digital image?
Ans: Contrast is decreased
A patient in the radiology department suddenly develops a nosebleed.
The radiographer instruct the patient to lean forward and pinch the
Assignment Expert
affected nostril against the midline nasal cartilage, but the bleeding does
not stop. What should the radiographer do next?
Guru01 - Stuvia
Ans: Apply a moist compress
Which position should a patient be placed in immediately following a
seizure?
2026
Ans: Lateral recumbent
©
How can magnification of the heart be reduced when performing a chest
x-ray?
Ans: Using 72 in SID
Which accurately describes the radiation dose absorbed by bone marrow?
Ans: The dose will be less than the entrance skin exposure
What is the function of a rectifier?
Ans: Convert alternating current to pulsating direct current
How often should lead aprons be evaluated to determine if crack or holes
are present?
Ans: Annually
, 3 for specific request mail
A lateral L5/S1 lumbosacral junction is performed with the CR directed 2
inches anterior superior iliac spine (ASIS) and 1 1/2 inches inferior to the
iliac crest. Which statement describes this method?
Ans: The central ray will be well anterior to the L5/S1 junction
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 result if pixel depth is decreased?
Assignment Expert
Ans: Contrast resolution is decreased
Guru01 - Stuvia
Which legal concept is violated by a radiographer who performs an
examination without an examination order?
Ans: Battery
2026
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 manufacturerer's acceptable range
Which term best describes the process of cleaning the surfaces in a
radiology department with 10% bleach solution in water?
Ans: Medical asepsis
Which central ray angle is best for heavy, wide-hipped patients for lateral
lumbar projections?
Ans: 5 degrees caudal
Which steps increase contrast in fluoroscopy? (Select the two that apply)
Ans: Use a smaller collimator field, reduce kilovolts peak (kVp)
HESI Comprehensive exam 1 Questions and Correct
Answers | Latest Update
Which item can be used as an indicator of the quality of the diagnostic x-
ray beam?
Ans: Kilovoltage peak (kVp)
Which condition represents the most likely indication for an
anteroposterior (AP) chest projection with the patient in the left lateral
decubitis position?
Assignment Expert
Ans: Effusion of the left lung
Guru01 - Stuvia
Which action is best taught to the patient using the communication
technique of demonstration?
Ans: The correct positioning for a particular projection
2026
Where is edge enhancement post processing most helpful in digital
radiography?
©
Ans: Low contrast studies
Which is the most likely cause of a histogram error?
Ans: Selection of an incorrect exam from the look-up table
During preparation for a surgical procedure, an unopened sterile package
becomes damp from an accidental spill of saline. Which response is most
appropriate?
Ans: Consider the package contaminated and replace it with a sterile
item.
Which is the most appropriate guideline to follow when radiographing
patients in their late adult years?
, 2 for specific request mail
Ans: Speak slowly and in a low tone of voice
What is the term for the adjustment of image brightness, regardless of
exposure received?
Ans: Rescaling
How does an increase in nose affect the quality of a digital image?
Ans: Contrast is decreased
A patient in the radiology department suddenly develops a nosebleed.
The radiographer instruct the patient to lean forward and pinch the
Assignment Expert
affected nostril against the midline nasal cartilage, but the bleeding does
not stop. What should the radiographer do next?
Guru01 - Stuvia
Ans: Apply a moist compress
Which position should a patient be placed in immediately following a
seizure?
2026
Ans: Lateral recumbent
©
How can magnification of the heart be reduced when performing a chest
x-ray?
Ans: Using 72 in SID
Which accurately describes the radiation dose absorbed by bone marrow?
Ans: The dose will be less than the entrance skin exposure
What is the function of a rectifier?
Ans: Convert alternating current to pulsating direct current
How often should lead aprons be evaluated to determine if crack or holes
are present?
Ans: Annually
, 3 for specific request mail
A lateral L5/S1 lumbosacral junction is performed with the CR directed 2
inches anterior superior iliac spine (ASIS) and 1 1/2 inches inferior to the
iliac crest. Which statement describes this method?
Ans: The central ray will be well anterior to the L5/S1 junction
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 result if pixel depth is decreased?
Assignment Expert
Ans: Contrast resolution is decreased
Guru01 - Stuvia
Which legal concept is violated by a radiographer who performs an
examination without an examination order?
Ans: Battery
2026
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 manufacturerer's acceptable range
Which term best describes the process of cleaning the surfaces in a
radiology department with 10% bleach solution in water?
Ans: Medical asepsis
Which central ray angle is best for heavy, wide-hipped patients for lateral
lumbar projections?
Ans: 5 degrees caudal
Which steps increase contrast in fluoroscopy? (Select the two that apply)
Ans: Use a smaller collimator field, reduce kilovolts peak (kVp)
