HESI Practice Test 3
midcoronal plane - Which body plane is positioned perpendicular to the IR on a lateral chest projection?
1/2 inch below the apex of the patella - Which is the correct CR location for an AP knee projection?
image noise is increased - Opening the collimators wider than necessary using digital radiography has
which effect on image quality?
hand pronated with fingers flexed - How are the patient's hand and fingers positioned for a PA wrist
projection?
high LET radiation such as alpha particles - Biologic damage resulting from the ionization of key atoms
causing these molecules to become inactive or functionally altered is much more likely to occur after
exposure to which type of radiation?
increase the amount of exposure to the IR - Which is the best way to avoid excessive quantum noise
when using cassette-based digital systems?
no dose may be considered completely safe - Which describes a linear, nonthreshold dose-response
relationship?
15-20 degrees cephalad - How should the CR be angled to compensate for a patient who is unable to
assume the erect lordotic position for an AP axial lordotic projection of the chest?
wear a particulate respirator mask, gloves and gown - What precautions should a radiographer take
when entering the room of a patient with varicella virus?
,image unsharpness decreases - Which effect does switching to the small focal spot size have on the
manifest image?
to reduce the probability of genetic mutations - For which purpose is gonadal shielding recommended?
250 mL - How much barium is administered on an average adult patient with a colostomy undergoing a
single contrast barium enema?
0.5 mm aluminum equivalent - Which is the required amount of inherent filtration for general purpose
x-ray tubes?
midway between the sternal notch and the xiphoid process - At which location is the CR directed for an
AP projection of the thoracic spine?
inferior border of the scapula - Which anatomical landmark coincides with the level of the CR entrance
point for a PA chest projection?
ionization - Which term refers to the removal of an electron from the orbital shell of an atom?
lookup table - When using digital imaging, which has the greatest influence on contrast?
post-void - Which radiopaque marker is image-appropriate after micturition has taken place?
rescaling - Which term describes the process by which an overexposed or underexposed IR appears
acceptable on a display monitor?
30-40 degrees medially - How should the radiographer rotate the patient's lower leg and foot for an AP
oblique projection of the second toe?
suspended inspiration - Which method of respiration is recommended for a soft tissue neck exam to
evaluate the trachea?
, 500 mSv - Which value represents the annual maximum dose limit (in mSv) for exposure to the
extremities in medical imaging personnel?
brachial - When obtaining a blood pressure reading, systolic and diastolic values are determined by
monitoring which pulse point?
initial stage - Which term is an alternate name for the prodromal stage of acute radiation syndrome?
25 breaths per minute - Which value represents a normal respiratory rate for a pediatric patient?
NRC - Which regulatory agency has the authority to control the possession, use, and production of
atomic energy in the interest of national security?
iliac crest - Where should the CR be directed for a lateral lumbosacral spine projection when using a 14 x
17 in (35 x 43 cm) IR?
at least 100 per minute - According to the American Heart Association guidelines, which is the correct
rate of chest compressions when administering CPR to a 6-month-old patient?
decrease exposure times - Which procedure is most effective for reducing localized image blurring
caused by involuntary patient motion?
200 mGya/min - What is the maximum allowable tabletop intensity in high-level control fluoroscopic
procedures?
third MCP - Which is the correct CR location for a PA hand projection?
decreased magnification - All other factors remaining the same, how will increasing the SID from 40
inches to 60 inches affect the appearance of a radiographic image?
midcoronal plane - Which body plane is positioned perpendicular to the IR on a lateral chest projection?
1/2 inch below the apex of the patella - Which is the correct CR location for an AP knee projection?
image noise is increased - Opening the collimators wider than necessary using digital radiography has
which effect on image quality?
hand pronated with fingers flexed - How are the patient's hand and fingers positioned for a PA wrist
projection?
high LET radiation such as alpha particles - Biologic damage resulting from the ionization of key atoms
causing these molecules to become inactive or functionally altered is much more likely to occur after
exposure to which type of radiation?
increase the amount of exposure to the IR - Which is the best way to avoid excessive quantum noise
when using cassette-based digital systems?
no dose may be considered completely safe - Which describes a linear, nonthreshold dose-response
relationship?
15-20 degrees cephalad - How should the CR be angled to compensate for a patient who is unable to
assume the erect lordotic position for an AP axial lordotic projection of the chest?
wear a particulate respirator mask, gloves and gown - What precautions should a radiographer take
when entering the room of a patient with varicella virus?
,image unsharpness decreases - Which effect does switching to the small focal spot size have on the
manifest image?
to reduce the probability of genetic mutations - For which purpose is gonadal shielding recommended?
250 mL - How much barium is administered on an average adult patient with a colostomy undergoing a
single contrast barium enema?
0.5 mm aluminum equivalent - Which is the required amount of inherent filtration for general purpose
x-ray tubes?
midway between the sternal notch and the xiphoid process - At which location is the CR directed for an
AP projection of the thoracic spine?
inferior border of the scapula - Which anatomical landmark coincides with the level of the CR entrance
point for a PA chest projection?
ionization - Which term refers to the removal of an electron from the orbital shell of an atom?
lookup table - When using digital imaging, which has the greatest influence on contrast?
post-void - Which radiopaque marker is image-appropriate after micturition has taken place?
rescaling - Which term describes the process by which an overexposed or underexposed IR appears
acceptable on a display monitor?
30-40 degrees medially - How should the radiographer rotate the patient's lower leg and foot for an AP
oblique projection of the second toe?
suspended inspiration - Which method of respiration is recommended for a soft tissue neck exam to
evaluate the trachea?
, 500 mSv - Which value represents the annual maximum dose limit (in mSv) for exposure to the
extremities in medical imaging personnel?
brachial - When obtaining a blood pressure reading, systolic and diastolic values are determined by
monitoring which pulse point?
initial stage - Which term is an alternate name for the prodromal stage of acute radiation syndrome?
25 breaths per minute - Which value represents a normal respiratory rate for a pediatric patient?
NRC - Which regulatory agency has the authority to control the possession, use, and production of
atomic energy in the interest of national security?
iliac crest - Where should the CR be directed for a lateral lumbosacral spine projection when using a 14 x
17 in (35 x 43 cm) IR?
at least 100 per minute - According to the American Heart Association guidelines, which is the correct
rate of chest compressions when administering CPR to a 6-month-old patient?
decrease exposure times - Which procedure is most effective for reducing localized image blurring
caused by involuntary patient motion?
200 mGya/min - What is the maximum allowable tabletop intensity in high-level control fluoroscopic
procedures?
third MCP - Which is the correct CR location for a PA hand projection?
decreased magnification - All other factors remaining the same, how will increasing the SID from 40
inches to 60 inches affect the appearance of a radiographic image?
