Rad Protection Unit 3 Part 1

1.

1 point

____________________ is a term used to specify the relative risk of an effect caused by a radiation exposure.

Rad

Rem

Equivalent dose

Effective dose

2.

1 point

In 1985, NCRP adopted ____________, however, traditional units are still widely used

SI units

Standard

Metric

3.

1 point

The first US fatality directly attributed to X-radiation exposure occurred in ______

1904

1919

1895

1911

4.

1 point

As ionizing radiation passes through an object, some of the radiation energy is absorbed by the object. The amount absorbed is called the ______________.

Absorbed dose

Interactive Dose

Atomic dose

Ionizing dose

5.

1 point

The SI equivalent of the REM is the ________

Gray (Gy)

Sievert (Sv)

C/kg

6.

1 point

1 Rad =

10 Gy

100 Gy

.01 Gy

1 Gy

7.

1 point

The _______________ concept accounts for different radiation types and also considers the relative radiosensitivity of various tissues and organs

effective dose

midline dose

equivalent dose

8.

1 point

_______ is a composite of the atomic numbers of the many chemical elements comprising tissue.

Zaff

Zeff

Gaffer

Gaff

9.

1 point

1 Gy =

100 Rad

.1 Rad

.01 Rad

10 Rad

10.

1 point

The Roentgen unit was "fine tuned" in ________ to increase accuracy

1945

1962

1903

1911

11.

1 point

1 Rad = _________ of absorber

1 ergs/gm

500 ergs/gm

100 ergs/gm

150 ergs/gm

12.

1 point

1 C/kg =

3876 R

.01 R

1 R

387.6 R

13.

1 point

The processing of producing ions is called ____________

R-process

S-process

ionization

Nucleosynthesis

14.

1 point

Radiation weighting factor of energy 100 keV to 2 MeV

2

1

20

10

15.

1 point

What is true about radiation?

It's effects can be directly detected and measured

Can be directly detected and measured

Cannot be directly detected and measured

No form is fatal

All forms are harmful

16.

1 point

What two categories of units are used to measure radiation?

Traditional

Metric

Systeme international units

Standard

17.

1 point

Radiation weighting factor of X and Gamma rays, electrons

2

1

20

10

18.

1 point

The first fatality to x-radiation was _________

Frederick Jones

Clarence Dally

Marie Curie

Henri Becquerel

19.

1 point

Radiation weighting factor of energy 10 to 100 keV

10

20

1

2

20.

1 point

All _____________ can produce ionization

Radiowaves

Microwaves

Particulate radiations

Electromagnetic radiation

21.

1 point

__________________________ is the amount of energy absorbed by the object per unit of object mass.

Radiation Equivalent Man (Rem)

Sievert

Roentgen

Radiation Absorbed Dose (Rad)

22.

1 point

The Rem is sometimes called the unit of _____________________ and is used to measure occupational exposure dose.

Midline Dose

Effective dose

Quality factors

Equivalent dose

23.

1 point

Radiation weighting factor for Alpha particles

2

20

10

1

24.

1 point

NCRP established ______________ to specify the ability of a dose of any kind of ionizing radiation to cause biologic damage.

Quality factors (Q)

Rem

Equivalent dose

Rad

25.

1 point

Radiation weighting factor of energy >29 MeV

20

10

1

2

26.

1 point

1 coulomb =

2.58 x 10^-4 charges

6.3 x 10^18 charges

1.0 x 10^6 charges

2.998 x 10^8 charges

27.

1 point

1.0 Roentgen is that amount of X or Gamma radiation that will produce _________________________________

2.998 x 10^8 C/kg

2.58 x 10^-4 C/kg

2.58 x 10^4 C/kg

1.86 x 10^5 C/kg

28.

1 point

In _____, the ICRP (International Commission on Radiation Protection) introduced the ____________ unit to measure radiation exposure.

1903, Curie

1937, Roentgen

1919, Jones

1895, Roentgen

29.

1 point

An ion is:

A particle which exists within the shell system of an atom

An atom that has lost a neutron

An electrically charged particle

A nucleon of an atom

30.

1 point

UV Radiation, X-radiation, and Gamma radiation are ______________________ that can produce _________.

Electromagnetic radiation; ionization

Electromagnetic radiation; isotopes

Particulate radiation; isotopes

Particulate radiation; ionization

31.

1 point

Higher atomic number =

higher absorbed dose

more compton scatter

less photoelectric effect

lower absorbed dose

32.

1 point

The first anatomical picture was made of ___________

Roentgen's wife's hand

Roentgen's foot

Clarence Daly's skull

a PA chest

33.

1 point

Radiation weighting factor of neutrons and energy <10 keV

20

1

2

10

34.

1 point

Radiation weighting factor for protons

2

1

20

10

35.

1 point

In diagnostic radiology, a Roentgen is a relatively large dose, so _____________________ are more appropriate for routine use.

mR (milliRoentgen)

mRad (milliRad)

Rem

Rad

36.

1 point

The SI equivalent of the Rad is the ______

Gray (Gy)

c/kg

Curie

Sievert

37.

1 point

Biologic response for a specific type of radiation is measured using the _______ unit

Gray

Roentgen

Rem (Radiation Equivalent Man)

Rad (Radiation Absorbed Dose)

38.

1 point

The __________ unit is used to measure the ionization effect of radiation as it passes through air.

Rem

Roentgen

Gray

Rad

39.

1 point

The SI equivalent of the Roentgen unit is the _________

C/kg

Gray

Sievert

Curie

40.

1 point

X-rays were discovered in ______

1859 by Tony Stark

1895 by Mary Curie

1895 by Wilhelm Roentgen

1985 by Peter Higgs