Test 6 physics

Most AEC systems have a minimum response capability of

the fulcrum is the

To obtain accurate air/ fluid levels in mobile rad, the primary beam should be parallel to the floor

QC test that involves making several exposures, each w/ the same mAs but w/ different mA & time combinations is checking

the object tomographed at the area located at the fulcrum is

The Joint Commission standards are linked to federal & state reimbursements for healthcare organizations

mobile examinations may require

exposure time settings should be maintained within +-__% of the labeled setting

the source to skin distance limit for a stationary fluoroscopic unit is __ inches

focal spot > 1.5mm may be ___% larger than stated size

the centering mark should be within __% of the light field CR.

which of the following is NOT a step that should be completed when purchasing new equipment? (according to the textbook)

when testing collimator accuracy, a SID error of __% is allowed

there may be only +-__% difference in exposure between mA stations

computerized storage & transmission systems for digitized images of all types are called

Tomographic images are

In addition to PT privacy HIPAA also standardized electronic record security, record keeping & identifiers & codes

focal spots .8mm to 1.5 mm may be ___% larger than stated size

input for the purchase of new radiographic equipment should include the

Radiography repeat rates should be between ___ %

for workstations with more than one monitor, brightness uniformity must be within +-___%

for mobile radiography, radiographic grids should have a

Most AEC's utilize __ ion chambers in various combinations

test tools for focal spot size estimation include each of the following except a

Routine quality management procedures should be performed by the

consultant for repairs on x-ray unit when QC test determines corrective action needs to be taken

during optimal mobile radiography of the chest, recommended SID is __ inches

During mobile radiography, a PT for a AP chest needs a min. elevation of 20° to show some amount of air fluid levels

Centering indicators should be accurate within +- __%

Common mA stations found on dedicated tomographic machines may include all of the following EXCEPT

PBL may allow the primary beam to be no more than 2% larger than the field size

the distance between fulcrum levels is the

most tomography is

when the movement of the tube & IR are along a straight line, the tomographic motion is classified as

digital tomosynthesis is different than conventional tomography in that

during mobile radiography the best way to demonstrate true air/ fluid levels is having the CR

benefits from new equipment training can include

During mobile radiography the radiographer must achieve max. distance primarily from the

The largest hospital accreditation agency is the

the lesser the distance from the fulcrum, the __ the blurring

for exposure reproducibility, there should be only a +-__% difference between exposures

during tomography, the object to be examined is placed at the

for AEC controls response capability must be within +-__ mR/ mAs of each other

A control panel setting of 100 kVp that delivers a exposure of only 95 kVp would be considered acceptable quality

distance indicators should be accurate within +-__%

as exposure amplitude increases

A 72" chest image must be exposed between 61" & 83" to produce a optimal exposure using a 72" technique

primarily, mobile examinations are difficult to accomplish because

The accuracy of single-phase generator time settings can be measured with a

The preferred method for demonstrating air fluid levels during mobiles is to make sure that the

quality assurance includes each of the following EXCEPT

the greater the distance from the fulcrum the greater the

Quality control is the aspect of quality assurance that monitors technical equipment to maintain quality standards

monitor brightness uniformity must be w/ in _% when comparing measurement @ the center w/ measurement @ corner edges

Which tomographic motion produces the thinnest section?

angles should be accurate within +-__%

a generator must be recalibrated when kVp drifts beyond __kVp of the labeled setting

the accuracy of three-phase generator time settings can be measured with a

which DQE number represents the best image quality?

exposure rate for a fluoroscopic system must not vary by more than +-___ R/min

output from battery-operated units is essentially

A common device to measure display monitor quality & characteristics is a/an

in tomography a object that is parallel to the motion of the tube will have increased blur