Rad Protection 1 & 2 Comp Review
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- 1.Which of the following is the unit of absorbed radiation dose
- A.
RBE
- B.
Sievert (rem)
- C.
Gray (rad)
- D.
Coulomb/kg (roentgen)
- E.
LET
- 2.
- A.
Exposure
- B.
Absorbed dose
- C.
Dose Equivalent
- D.
Collective Eff Dose Eq.
- 3.Rad is the unit of
- A.
Roentgen atomic dose
- B.
Radiation absorbed dose
- C.
Radiation abstracted dose
- D.
Roentgen absorbed dose
- 4.Which of the following provides a method by which to calculate the realistic absorbed dose for all types of radiation, including protons and neutrons as well as x-rays?
- A.
Absorbed Dose
- B.
Dose Equivalent
- C.
Exposure
- D.
Ionization of air
- 5.The ____is the traditional unit of exposure or intensity in air for x-ray and gamma ray photons.
- A.
Curie
- B.
Rad
- C.
Rem
- D.
Roentgen
- 6.X-rays, beta particles (high speed electrons) and gamma rays have been given a numeric adjustment value of 1 because they produce
- A.
Virtually the same biologic effect in body tissue for equal absorbed doses
- B.
No biological effect in body tissue for equal absorbed dose
- C.
Varying degrees of biologic effect in body tissue for equal absorbed doses
- D.
High-dose biologic effects in all body tissues for equal absorbed doses
- 7.
- A.
C/kg (Coulomb oer kilo)
- B.
Gy (Gray)
- C.
R (Roentgen)
- D.
Sv (Sievert)
- 8.Which of the following is used to adjust the absorbed dose value to measure biological effects of different types of ionizing radiation
- A.
Exposure absorbed dose raio
- B.
Ionization factor
- C.
Quality factor
- D.
Rate of linear energy transfer
- 9.The SI unit for measurement of quantity, absorbed dose, for any type of ionizing radiations is the:
- A.
Becquerel
- B.
Gray
- C.
Roentgen
- D.
Sievert
- 10.The _________is the traditional unit of Dose Equivalent (DE)
- A.
Curie
- B.
RAD
- C.
REM
- D.
Roentgen
- 11.To determine absorbed dose, the amount of energy absorbed by the irradiated object must be measured by which of the following methods?
- A.
Determining the quantity of energy deposited per kilogram of the object
- B.
Calculating the skin-entrance exposure of the object
- C.
Calculating either the dose equivalent or the equivalent dose
- D.
Determining the quantity of ionization in a specific volume of dry air at atmospheric pressure
- 12.If absorbed dose is stated in rad, gray may be determined by performing which of the following equations.
- A.
X by 100
- B.
+ by 100
- C.
/ by 100
- D.
- by 100
- 13.If the absorbed dose equivalent is stated in sievert, the number of rem may be translated (converted) simply by:
- A.
X by 100
- B.
+ by 100
- C.
/ by 100
- D.
- by 100
- 14.325 gray equals which of the following
- A.
32.5 rad
- B.
32,500 rad
- C.
3,250 roentgen
- D.
325 sievert
- 15.35,000 rem equals which of the following
- A.
35 gray
- B.
35 sievert
- C.
350 sievert
- D.
3500 coulomb oer kilo
- 16.39 sievert equals
- A.
3900 rem
- B.
39 rem
- C.
390 gray
- D.
39000 gray
- E.
390,000 rem
- 17.Which factors determine dose equivalent
- A.
Rad x Q
- B.
Rem x R
- C.
Gy x Q
- D.
A & C only
- 18.How is Roentgen determined
- A.
Absorbed dose
- B.
Compared with rems
- C.
Half-Value layer
- D.
Ionization in air
- 19.Which of the following statement concerning the Roentgen is true?1. It is measured by ions in air2. It only measures x & gamma rays3. It is the unit of exposure or intensity
- A.
1 only
- B.
1 & 2
- C.
1 & 3
- D.
3 only
- E.
1, 2, & 3
- 20.Absorbed energy is responsible for any biologic damages caused by exposure of tissues to radiation
- A.
True
- B.
False
- 21.Which of the following is the unit of choice to express the collective effective dose
- A.
Group-gray (group rad)
- B.
Person coulomb per kilo (person-roentgen)
- C.
Person-sievert (man-rem)
- D.
Group -coulomb (group-roentgen)
- 22.The concept of tisue weighting factor (W t) is used to do which of the following
- A.
Eliminate the need for determining effective dose
- B.
Measure absorbed dose from all different types of ionizing radiations
- C.
Account for the risk to the entire organism brought on by irradiation of individual tissues and organs
- D.
Modify the radiation weighting factor for differnt types of ionizing radiations
- 23.Which of the following radiation quantities accounts for some biologic tissues being more sensitive to radiation damage than other tissues?
- A.
Absorbed dose
- B.
Effective dose
- C.
Equivalent dose
- D.
Exposure
- 24.Which of the following terms describes the amount of energy per unit mass transfered from an x-ray beam to an object
- A.
SI
- B.
Exposure
- C.
Dose Equivalent
- D.
Absorbed dose
- 25.The amount of energy transferred from primary radiation to matter as it interacts with the molecules of the object is called
- A.
Absorbed dose
- B.
Cellular activity
- C.
Dose equivalent
- D.
Exposure
- 26.Which of the following are by-products of Photoelectric absorption interactions with matter
- A.
Bremsstrahlung radiation
- B.
Characteristic radiation
- C.
Photoelectrons
- D.
B & C
- E.
A, B, & C
- 27.Which of the following particles is considered to be a form of antimatter
- A.
Electron
- B.
Positron
- C.
Xray Photon
- D.
Scattered xray photon
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