CLOSE DOOR 1

Question 1

A cumulative timer is designed to________of the fluoroscopy beam on time.

Answer 1

Make the radiologist aware

Question 2

Primary beam is _______.

Answer 2

The useful beam

Question 3

The intensity of scatter radiation 1 meter from the patient is approximately____of the intensity of the beam to the patient.

Answer 3

0.1%

Question 4

At the level of the table top, the intensity of fluoroscopic beam should not exceed______for each mA of operation at 80 kVp.

Answer 4

2.1 R/min

Question 5

At controlled area is one occupied primarily by_______.

Answer 5

Radiology Personnel & Patients

Question 6

A secondary barrier is designed to absorb_____radiation.

Answer 6

Leakage & Scattered

Question 7

A quantity that reflects both dose and volume of tissue irradiated is the

Answer 7

Dose area products

Question 8

Devices designed total accumulated radiation intensity are called ____

Answer 8

Dosimeter

Question 9

A quality assurance program program monitors

Answer 9

People

Question 10

A quality control program is for

Answer 10

Film processors
CTscanners
X-raysTubes

Question 11

The determination of how consistently radiologists image interpretations match patients ultimate diagnosis is called __

Answer 11

outcome analysis

Question 12

A QC program should include ___ routine performance monitoring and maintenance

Answer 12

acceptance testing

Question 13

The first step of the QA recommended by the Joint Commission on Accreditation of Healthcare Organizations (JCAHO) is to ___

Answer 13

assign responsibility

Question 14

Medical facilities have quality control programs in place in order to __

Answer 14

have JAHCO approval and accreditation
ensure quality patient care
receive payment from insurance carriers

Question 15

Acceptance testing should never be done by a ___

Answer 15

manufacturer’s representative

Question 16

Most quality control testing on radiographic equipment is done

Answer 16

annually

Question 17

All general purpose radiographic units have a minimum of ___ mm Al filtration.

Answer 17

2.5

Question 18

Collimator must be accurately aligned within + ____% on the SID.

Answer 18

2

Question 19

Focal spot size measure with a

Answer 19

pinhole camera
slit camera
star patern

Question 20

It is acceptable to perform a ___ test than measuring a focal spot size

Answer 20

Line pair

Question 21

The measured kVp should be within ± ___ % of the kVp indicated on the console

Answer 21

5

Question 22

Comparing the mR output at 50 mA @ 0.2 sec, 100 mA @ 0.1 sec and 200 mA @ 0.05 sec is part of a test for?

Answer 22

Reciprocity

Question 23

What is the testing device used to measure the casessette film screen contact?

Answer 23

Wire mesh

Question 24

When the viewbox light is out __

Answer 24

All the bulbs must be replaced.

Question 25

Federal Law mandates that entrance skin exposure (ESE) should not exceed to _____ during normal fluoroscopy.

Answer 25

100mGy/min

Question 26

Unlimited ESE by Federal Law is permitted during ______

Answer 26

cineradiography

Question 27

Quality control testing for computed tomography must be preformed on ____ basis

Answer 27

daily and weekly Monthly Annually

Question 28

_____ is used to test for noise and uniformity on CT imaging system

Answer 28

A waterbath

Question 29

Processor crossover racks can be clean on a ___ basis.

Answer 29

daily

Question 30

Processor should be monitored everyday for __

Answer 30

sensitometric measurement Water and chemical temperature Replenishment tank levels.

Question 31

Following a good processor, QC program reduces the need for ____ maintenance.

Answer 31

unscheduled

Question 32

For diagnostic x-ray personnel, the highest occupational exposure occurs during

Answer 32

fluoroscopy mobile radiography

Question 33

Personnel working in interventional radiography should be provided with

Answer 33

extremity monitoring

Question 34

The lens of the eye should never receive more than

Answer 34

150 mSv (15 rem)

Question 35

Dose limits are described as

Answer 35

effective dose

Question 36

Occupational dose is described as

Answer 36

dose equivalent

Question 37

The tissue weighting factor has a higher value for tissues with more

Answer 37

radiosensitivity

Question 38

For nursing personnel present during mobile x-ray imaging, a personnel monitoring device is required

Answer 38

Not at all

Question 39

The dose limit to extremities is

Answer 39

500 mSv/yr (50 rem/yr)

Question 40

The lowest occupational exposure dose xray personnel occurs during

Answer 40

CT MAMMOGRAPHY

Question 41

The Dose limit of the General Public is

Answer 41

1mSv/yr or 100mrem/yr

Question 42

The best way for technologist to reduce occupational exposure is to follow the principals of

Answer 42

ALARA TIME AND DISTANCE SHIELDING

Question 43

Technologist working fluoroscopy should use the use the radiologist as shielding whenever possible in addition to apron and curtains

Answer 43

TRUE

Question 44

Optical stimulated luminescent monitors are superior to the thermoluminescent dosimeters in that they are

Answer 44

more sensitive to lower exposure

Question 45

During fluoroscopy the exposure to the collar is _______ times greater than the trunk of the body under protective apron

Answer 45

20%

Question 46

Occupational radiation monitoring is required if the individual may get ______ recommended dose limit

Answer 46

10

Question 47

A protective apron with a thickness of 0.25mm lead equivalent is the minimum required.

Answer 47

TRUE

Question 48

The preferred way to hold patients who are unable to support themselves is to use a?

Answer 48

Restraining Device

Question 49

The dose limit for a technologist during pregnancy is?

Answer 49

0.5msv/mo or 50mrem/mo

Question 50

Every radiology department should provide a radiation safety program that include.

Answer 50

l. Training new employees ll. Periodic in services for all employees lll. Counseling during pregnancy ALL OF THE ABOVE