RAD 111 exam questions & answers 2024/2025
What type of material makes up the receptor in the TFT system - ANSWERSAmorphous selenium and amorphous silicon
Which of the following energy sources will erase any residual light in image from an exposed PSP image plate - ANSWERSBright light
A ...
What type of material makes up the receptor in the TFT system - ANSWERSAmorphous selenium and
amorphous silicon
Which of the following energy sources will erase any residual light in image from an exposed PSP image
plate - ANSWERSBright light
A digital storage and image management system defines a - ANSWERSDigital archive
A network system with an array of hardware and software that connects all Imaging modalities is termed
a - ANSWERSPACS
A standard that ensures that all Digital Imaging equipment can communicate with each other is referred
to as a - ANSWERSdicom and HL7
Which of the following is not an advantage of a PACS - ANSWERSread chemical processing of images
The range of exposure intensities that will produce an acceptable image is the definition for exposure -
ANSWERSLatitude
What is the complete term for RIS - ANSWERSRadiology information system
Which term has replaced exposure latitude in describing the amount of energy transferred to a mass of
air by the photons - ANSWERSAir Kerma
Which radiation unit of measurement is used to describe absorbed dose - ANSWERSGray
,Which traditional unit of radiation measurement describes patient dose - ANSWERSRad
What is the annual whole body effective dose for a technologist - ANSWERS50 mSv
The annual occupational dose limit for the lenses of the eyes is - ANSWERS150 mSv (15000 mrem)
Where should a personal dosimeter be worn during fluoroscopy - ANSWERSOn collar outside the lead
apron
Which of the following is NOT an ALARA concept - ANSWERSHave older technologist rather than younger
technologist hold the patient
Which of the following is NOT one of the cardinal principles of radiation protection - ANSWERSFiltration
Pregnant technologist should not exceed - ANSWERS0.5 msv (50 mrem)
Which of the following patient dose categories carries the highest numerical value of all patient doses -
ANSWERSentrance skin exposure
The cumulative lifetime dose for an occupational exposed worker is - ANSWERS10 mSv times their age in
years
Which of the following radiographic projections will best provide the greatest amount of effective dose
without shielding - ANSWERSbarium enema
What type of collimator will automatically restricted x-ray beam to the size of the image cassette or
image receptor - ANSWERSpositive beam limiting
What type of protective shielding is not in contact with the patient's body - ANSWERSShadow Shield
,A 20 year old woman is brought into Radiology from the emergency department with a possible Fracture
of the pelvis. What should the technologist do regarding gonadal shielding - ANSWERSTake an AP
projection of the pelvis without using any shielding
Which of the following precautions reduces radiation exposure to the technologist during a fluoroscopic
procedure to the greatest degree - ANSWERSstanding as far as way as possible from the radiation
Scatterfield
When correctly placed gonadal shielding will reduce dose by - ANSWERS50 to 90%
Use of gonadal shielding is necessary when the organs of Interest lie within or near ___ of the primary
beam unless such shielding obscure is essential diagnostic information - ANSWERS2 inches
The minimum total filtration required for a diagnostic X-ray equipment produces 70 kilovolt or greater is
___ aluminum equivalent - ANSWERS2.5 mm
Decubitus chest projections are placed for viewing the way the image receptor sees them -
ANSWERSFalse
The wide dynamic range of digital imaging systems result in fewer repeated exposures increase efficiency
and operating cost reduction as compared with analog systems - ANSWERSTrue
The photostimulable storage phosphor Imaging plate is light sensitive and must be processed in a dark
environment - ANSWERSFalse
A PSP based Digital Imaging system May be cassette based or cassetteless - ANSWERSTrue
Thin film transistor digital Imaging systems are commonly referred to as digital radiography -
ANSWERSTrue
PSP Imaging plates are scanned with an ultra bright light source to produce visible digital images -
ANSWERSFalse
, Depending on the manufacturer of the PSP image may be viewed on the technologist workstation within
5 Seconds following plate reading - ANSWERSTrue
FDD-TFT-based Systems can be used for both grid and non grid examinations - ANSWERSTrue
Lead masking/mats should be used when recording multiple images on the same cassette-based PSP
system - ANSWERSTrue
Close collimation is not recommended when using a PSP image system - ANSWERSFalse
As a general rule, exposure factors are decreased 5 to 15 KV with digital systems as compared with
analog Imaging systems - ANSWERSFalse
Digital radiography systems are hypersensitive to the effects of scatter radiation - ANSWERSTrue
An image receptor placed lengthwise to the long axis of the structure or body is in the portrait
orientation - ANSWERSTrue
A grid can be left in place for most digital radiographic procedures - ANSWERSTrue
The acronym PACS refers to pictures archiving connection system - ANSWERSFalse
Exposure indicator is a numerical value that is representative of the level of exposure the image receptor
has acquired - ANSWERSTrue
PACS should be integrated Within HIS - ANSWERSTrue
1 gray equals 1000 rad - ANSWERSFalse
The International System of Units has been the National Standard for units of radiation measurement
since 1958 - ANSWERSTrue
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