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Radiology final test
includes chapters 1,2 closed book test
| Question | Answer |
|---|---|
| Who discovered X-rays in 1895? | Roentgen |
| What is the proper term for the "pictures" produced by x-rays? | Radiographs |
| What organization establishes standards & provide certification exams for radiologic technologist? | ARRT American Registry of Radiologic Technologists (ARRT) |
| What organization conducts formal accreditation of schools of radiologic technology? | JRCERT Joint Review Committee on Education in Radiologic Technology |
| Limited radiography is called limited because the _______________________. | scope of practice is limited |
| Which are within the scope of practice for limited operator? 1. Use of contrast media 2. basic radiographic examination 3. explanation of procedure or #1&2 or #1&3 or #2,3 or #1,2,3 . | the answer is #2 and #3 only |
| Which of the following is considered a duty of a limited x-ray machine operator? | Explain the procedure and the prep to the patient |
| Which of the below are possible consequences for practicing beyond the scope of practice for limited operator? monetary fines, revocation of license/permit or imprisonment | All of the options are possible |
| what do you call a specialist who interprets radiographs & performs special imaging procedures | Radiologist |
| X-ray exams are performed on orders issued by whom? | The physician(s) |
| What duty is a limited x-ray machine operator responsible for? | explaining the procedure and the preparation to the patient |
| to determine the credentials needed to practice limited radiography who do you contact? | American Registry of Radiologic Technologists |
| X-rays that are traveling in a useful direction exit via the _____________ | they exit out the tube port |
| what part of the x-ray room is protected from scatter radiation and is safe during exposures ? | the control booth |
| A line in the center of x-ray beam & perpendicular to the long axis of the x-ray tube is the ____________. | central ray |
| film that has been exposed but not processed has a pattern exposure that is called the _____________ | latent image |
| tissues w/greater mass, such as bone, will absorb ___________ radiation, as compared w/less dense tissues, such as fat | more |
| The absorption of x-rays by matter is called _______________ | attenuation |
| Scatter radiation has less energy than the primary beam (true or false) | true |
| the pattern of ___________ radiation creates the image on the film | remnant |
| The image receptor (IR) usually consists of the _______ A.x-ray tube and stand B. cassette & film C. control console & transformer Dl. tube locks and the detent | B cassette and the film |
| what are the common IR sizes used for general exams? | 18 x 24cm, 24 x 30cm, 35 x43cm |
| what is the typical usage of a 24 x 24 cm IR | Fluoroscopic spots |
| (CR) Computer radiography (CR) is sometimes called a ___________________ | filmless system |
| where is the image obtained in computer radiography (CR) | on a laser disk |
| Computed radiography (CR) eliminates the need for ___________________ | darkrooms |
| A mechanism that tends to stop a moving part in a specific locations is called _______________ | detent |
| Boxlike device attached under the tube housing that allows the limited operator to vary the size of the radiation field is called a __________________ | collimator |
| a device to protect the film from being fogged by scatter radiation is called the ____________ | grid or Bucky |
| The principle source of scatter radiation is the _______________ | patient |
| a tilting table allows head to be lowered 15 deg into what position in the xray room? | Trendelenburg postion |
| The principle purpose of safety check before making an exposure it to __________________________ | protect the patient from unnecessary exposure prevent accidental exposure of coworkers. |
| The IR in a radiography dept, can be which of the following: a conventional cassette w/screen & film, the upright cassette holder, or computed radiography. The answer can be one item or a mix of items. | the answer is you could have a conventional casette w/screen & film or a computor radiography (CR) cassette w/phosphor plate |
Created by:
aprilstreet