Rad Protection Study Guide

The annual dose equivalent limit for the eyes of a radiographeris:

The annual dose equivalent limit for the extremities of aradiographer is:

The dose equivalent limit per month for theembryo-fetus of a pregnant radiographer is:

The dose equivalent limit for the gestational periodof the fetus of a pregnant radiographer is:

The annual whole body dose equivalent limit to the general publicis:

Our occupational dose equivalent limit guidelines arebased on a ___________ dose response curve

Which organization is concerned about radiation and theenvironment?

Which organization would most likely regulateradiation practices of a nuclear medicine department?

Which organization reports on studies associated withthe health effects of radiation?

Which organization establishes standards for x-raymachines?

What conversion occurs at the input phosphor of an imageintensifier tube?

Which organization establishes our occupational dose limits?

In an image intensifier, what is the input phosphormade of?

The Radiation Control for Health and Safety Act in 1968 was passedin order to protect the public from unnecessary radiation exposure resultingfrom which of the following?

Which agency is responsible for regulations regarding employees’right to know about hazards that may be present in the workplace?

What conversion occurs in the image at thephotocathode?

The Consumer-Patient Radiation Health and Safety Actof 1981 requires:

Each portable x-ray unit must have:

Which of the following groups of exposure factors will deliver theleast amount of exposure to the patient?

How is total brightness gain calculated?

Which of the following components in image intensificationregulate the mA and kVp?

All fluoroscopes have a 5 minute cumulative timer:

Which of the following are features of fluoroscopic equipmentdesigned especially to eliminate unnecessary radiation to the patient?

What is photoemission?

In what year was fluoroscopy raised to daylight levelsby introducing the image intensifier?

Which of the following is not an x-ray beam limitationdevice?

When performing a stationary fluoroscopic procedure, to reduce theradiation exposure to the patient, the radiographer must use a minimalsource-skin distance of ____ cm (____ inches).

Digital radiography images can be accessed:

What is the test done to observe regions ofblurring/penumbra effects

When whole-body occupational exposure is controlled bykeeping the effective dose (EfD) well below the upper boundary limit,the possibility of inducing stochastic effects of radiation is:

The as low as reasonably achievable (ALARA) concept presents an extremelyconservative model with respect to the relationship between:

Any image that must be performed more than once because of humanor mechanical error during the production of the initial image is known as repeatimage. What effect does repeat images have on the radiation dose receivedby the patient?

Fluoroscopy was developed so that radiologists couldview _____ images.

The image intensifier improved fluoroscopy byincreasing image _____.

X-rays are carriers of:

As kVp _____, the probability of photoelectric absorption _____.

Barium is a good contrast agent because of its _____.

Both alignment and length and width dimensions of the radiographicand light beams (collimator) must correspond to within:

HVL may be defined as the thickness of a designated absorberrequired to do which of the following?

Focal spot size must be within +/- _________% accuracy

Exposure reproducibility must be within +/- ______ %to be acceptable.

Using a three-phase machine, the spinning top test woulddemonstrate a __________ degree arc during a .5 second exposure.

Using a single-phase machine and spinning top test, a .5 secondexposure would demonstrate which of the following?

Cataracts follow a ___________ dose-response curve?

What is the term given to the reference histogramassociated with a specific anatomical part?

Which of the following groups of exposure factorswould create the most density on the film?

The active component of the input phosphor is:

The active component of the photocathode is:

Permanentsterility in a male can be a result of how many rads?

ABC in a conventional fluoro system monitors the tubecurrent and is sampled at the___________?

What is the active component when using a direct digital system?

What helps to direct and propel electrons within an imageintensifier tube?

Who invented the fluoroscope?

You will start to experience the GI syndrome of ARS at a threshold dose of?