METC RAD 104 Radiation Protection XRAY 2022

The lens of eye dose for general public exposure is

when was the coolidge tube introduced?

The purpose of limiting the size of the beam and area of exposure is

What is the purpose of patient shielding?

portable survey for low fields, used for less than 100 mR/hr

In occupancy of the radiation room what is of principal importance

traditional unit of measure applying only to photons interactions with the air

Radiographic examinations should be performed only during which part of the onset of the menstrual period

The primary barrier must be ____ lead equivalent and ___ feet high

which of the following is not one of the ten commandments

when was the first casualty of manmade radiation?

design limit for an uncontrolled area is equivalent to

Developed to modify the absorped dose to reflect the level of biological damage caused by a particular radiation

percentage of time during which the xray beam is on and directed toward a particular wall

a wall to which the useful beam can be directed is designated as a

What is the occupational dose limit for equivalent annual DL in the lens of eye

most commonly used beam limiting device in radiography as well as the most efficient

maximum exposure rate allowed is based on the

electrons in the crystalline lattice structure become excited and rearranged when radiation interacts with it

radiopaque material contoured to enclose the testicles

employed widely as a device to measure radiation intensity

When was Xray discovered

When should gonadal shielding be used

Traditional Unit of dose equivalent is the

which of the following includes all the ways to limit motion

oversees radiation safety of medical imaging systems, establishes performance standards, recommends good practices

the traditional unit for absorbed dose is the

what is an example of a secondary barrier

which of the following includes all methods to avoid repeat radiographs

What percent should the repeat rate be to optimize protection during mobile xrays

SI unit for exposure

1 rem=

A measure of a nuclides transformation rate (disintegrations per second)

Once pregnancy is declared in a pregnant radiographer the DL becomes

most lead aprons are: ____ lead equivalent for 90% attenuation at 75kvp

Shielding used for sterile field

what type of radiation sources are nuclear fallout, effluents from power plants, radioactive materials, and medical?

establishes provisions of minimum standards by the federal government for the accreditation of education programs

The sum of scattered and leakage radiation

What is the average dose level of most radiographers

affective means of reducing the risks of genetic defects for the whole population

basic philosophical principle of radiation protection:

radiation passing through the tube housing, other than the useful beam

as filtration increases, beam quality _______ and quantity _____

filtration afforded by the glass envelope, insulating oil and glass window

Adopted in 1953 to replace the roentgen

SI unit for Absorbed dose

what is the relationship between the gray and the rad?

What is the effective dose limit during education and training exposure

Dose limit is only specified for general public exposure

when was the snook transformer introduced?

effective dose for general public exposure is ______ for continuous or frequent exposure

What is the equivalent occupational DL to the skin hands and feet

in a TLD the amount of ____ is proportional to the amount of radiation which interacted with the crystals

1 SV=

which of the following is not a federal radiation safety agency

A pocket dosimeter is an example of

SI unit for Dose Equivalent

The exposure switch must allow the radiographer to extend body outside of the booth

To convert rad to gray

who were the ones developing blood disorders more frequently than the rest of the medical community?

what are the 2 types of particulate radiation

with age filtration _______

Which Law is the consumer patient radiation health and safety act of 1981

who was the first casualty of manmade radiation?

SI unit for radioactivity

Traditional unit of radioactivity is the

radiation exposure ____ with increased elevation:

what are the two categories of natural radiation?

simplest of all beam limiting devices, commonly used as dedicated head units; has a lined or lead plate

In 1931 the advisory committee on xray and radium protection recommended tolerance dose equal to

the equivalent dose limit for the fetus is ________

what accounts for more than half of the exposure the general public receives?

which of the following is not a factor that determines barrier thickness

Medical and dental exposure accounts for what % of manmade radiation exposure to the general public

forms of electromagnetic radiation

what are the two sources of radiation?

The skin, hands, feet dose for general public exposure

which law provides minimum standard for the accreditation of education programs for people who administer rad procedures

the secondary barrier must be ___ lead equivalent

Manmade sources is what % of the total radiation exposure to the public