HESI Comprehensive exam 1 2026 With
Questions And Answer Written Correctly
Which item can be used as an indicator of the quality of the diagnostic x-ray beam? - correct answer
<<<<<correct detailed answer ✔✔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? - correct answer <<<<<correct detailed answer
✔✔Effusion of the left lung
Which action is best taught to the patient using the communication technique of demonstration? -
correct answer <<<<<correct detailed answer ✔✔The correct positioning for a particular projection
Where is edge enhancement post processing most helpful in digital radiography? - correct answer
<<<<<correct detailed answer ✔✔Low contrast studies
Which is the most likely cause of a histogram error? - correct answer <<<<<correct detailed answer
✔✔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? - correct answer
<<<<<correct detailed answer ✔✔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?
- correct answer <<<<<correct detailed answer ✔✔Speak slowly and in a low tone of voice
What is the term for the adjustment of image brightness, regardless of exposure received? - correct
answer <<<<<correct detailed answer ✔✔Rescaling
,How does an increase in nose affect the quality of a digital image? - correct answer <<<<<correct
detailed answer ✔✔Contrast is decreased
A patient in the radiology department suddenly develops a nosebleed. The radiographer instruct the
patient to lean forward and pinch the affected nostril against the midline nasal cartilage, but the
bleeding does not stop. What should the radiographer do next? - correct answer <<<<<correct detailed
answer ✔✔Apply a moist compress
Which position should a patient be placed in immediately following a seizure? - correct answer
<<<<<correct detailed answer ✔✔Lateral recumbent
How can magnification of the heart be reduced when performing a chest x-ray? - correct answer
<<<<<correct detailed answer ✔✔Using 72 in SID
Which accurately describes the radiation dose absorbed by bone marrow? - correct answer
<<<<<correct detailed answer ✔✔The dose will be less than the entrance skin exposure
What is the function of a rectifier? - correct answer <<<<<correct detailed answer ✔✔Convert
alternating current to pulsating direct current
How often should lead aprons be evaluated to determine if crack or holes are present? - correct answer
<<<<<correct detailed answer ✔✔Annually
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? -
correct answer <<<<<correct detailed answer ✔✔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? - correct answer <<<<<correct detailed answer ✔✔90 degrees
, What is the result if pixel depth is decreased? - correct answer <<<<<correct detailed answer
✔✔Contrast resolution is decreased
Which legal concept is violated by a radiographer who performs an examination without an examination
order? - correct answer <<<<<correct detailed answer ✔✔Battery
Which statement is true regarding exposure indicator and the evaluation of digital images? - correct
answer <<<<<correct detailed answer ✔✔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? - correct answer <<<<<correct detailed answer ✔✔Medical asepsis
Which central ray angle is best for heavy, wide-hipped patients for lateral lumbar projections? - correct
answer <<<<<correct detailed answer ✔✔5 degrees caudal
Which steps increase contrast in fluoroscopy? (Select the two that apply) - correct answer
<<<<<correct detailed answer ✔✔Use a smaller collimator field, reduce kilovolts peak (kVp)
In which clinical situation has valid consent been obtained? - correct answer <<<<<correct detailed
answer ✔✔A 16 year old mother provides consent to perform an x-ray on her 6 month old child
Why is the left lateral decubitus position recommended as part of an acute abdominal series? - correct
answer <<<<<correct detailed answer ✔✔Free air is demonstrated away from the gastric bubble.
Which digital communication network is used to store patient billing information? - correct answer
<<<<<correct detailed answer ✔✔HIS
Which is the most appropriate reason for the application of gonadal shielding? - correct answer
<<<<<correct detailed answer ✔✔To safe guard the reproductive potential of patients
Questions And Answer Written Correctly
Which item can be used as an indicator of the quality of the diagnostic x-ray beam? - correct answer
<<<<<correct detailed answer ✔✔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? - correct answer <<<<<correct detailed answer
✔✔Effusion of the left lung
Which action is best taught to the patient using the communication technique of demonstration? -
correct answer <<<<<correct detailed answer ✔✔The correct positioning for a particular projection
Where is edge enhancement post processing most helpful in digital radiography? - correct answer
<<<<<correct detailed answer ✔✔Low contrast studies
Which is the most likely cause of a histogram error? - correct answer <<<<<correct detailed answer
✔✔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? - correct answer
<<<<<correct detailed answer ✔✔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?
- correct answer <<<<<correct detailed answer ✔✔Speak slowly and in a low tone of voice
What is the term for the adjustment of image brightness, regardless of exposure received? - correct
answer <<<<<correct detailed answer ✔✔Rescaling
,How does an increase in nose affect the quality of a digital image? - correct answer <<<<<correct
detailed answer ✔✔Contrast is decreased
A patient in the radiology department suddenly develops a nosebleed. The radiographer instruct the
patient to lean forward and pinch the affected nostril against the midline nasal cartilage, but the
bleeding does not stop. What should the radiographer do next? - correct answer <<<<<correct detailed
answer ✔✔Apply a moist compress
Which position should a patient be placed in immediately following a seizure? - correct answer
<<<<<correct detailed answer ✔✔Lateral recumbent
How can magnification of the heart be reduced when performing a chest x-ray? - correct answer
<<<<<correct detailed answer ✔✔Using 72 in SID
Which accurately describes the radiation dose absorbed by bone marrow? - correct answer
<<<<<correct detailed answer ✔✔The dose will be less than the entrance skin exposure
What is the function of a rectifier? - correct answer <<<<<correct detailed answer ✔✔Convert
alternating current to pulsating direct current
How often should lead aprons be evaluated to determine if crack or holes are present? - correct answer
<<<<<correct detailed answer ✔✔Annually
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? -
correct answer <<<<<correct detailed answer ✔✔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? - correct answer <<<<<correct detailed answer ✔✔90 degrees
, What is the result if pixel depth is decreased? - correct answer <<<<<correct detailed answer
✔✔Contrast resolution is decreased
Which legal concept is violated by a radiographer who performs an examination without an examination
order? - correct answer <<<<<correct detailed answer ✔✔Battery
Which statement is true regarding exposure indicator and the evaluation of digital images? - correct
answer <<<<<correct detailed answer ✔✔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? - correct answer <<<<<correct detailed answer ✔✔Medical asepsis
Which central ray angle is best for heavy, wide-hipped patients for lateral lumbar projections? - correct
answer <<<<<correct detailed answer ✔✔5 degrees caudal
Which steps increase contrast in fluoroscopy? (Select the two that apply) - correct answer
<<<<<correct detailed answer ✔✔Use a smaller collimator field, reduce kilovolts peak (kVp)
In which clinical situation has valid consent been obtained? - correct answer <<<<<correct detailed
answer ✔✔A 16 year old mother provides consent to perform an x-ray on her 6 month old child
Why is the left lateral decubitus position recommended as part of an acute abdominal series? - correct
answer <<<<<correct detailed answer ✔✔Free air is demonstrated away from the gastric bubble.
Which digital communication network is used to store patient billing information? - correct answer
<<<<<correct detailed answer ✔✔HIS
Which is the most appropriate reason for the application of gonadal shielding? - correct answer
<<<<<correct detailed answer ✔✔To safe guard the reproductive potential of patients
