Nuclear Radiation Answers

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1
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Which type of radiation travels at the speed of light and penetrates matter easily?

A
beta particles
B
radionuclides
C
alpha particles
D
gamma rays
2
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Which type of radiation is the smallest in size?

A
alpha radiation
B
beta radiation
C
gamma radiation
D
positron radiation
3

Which radiation has the same ability to transfer energy to the body as an electron?

A
a neutron
B
a proton
C
an alpha particle
D
a photon
4

Which type of radiation is blocked by the skin but is the most dangerous once it is inside the body?

A
beta particles
B
radionuclides
C
alpha particles
D
gamma particles
5

Which is a difference between the focus of a nuclear engineer and the job of a nuclear chemist?

A
Nuclear engineers are concerned with the design, construction, and operation of nuclear reactors; nuclear chemists study nuclear reactions, radioactive elements, and nuclear power.
B
Nuclear chemists are concerned with the design, construction, and operation of nuclear reactors; nuclear engineers study nuclear reactions, radioactive elements, and nuclear power.
C
Nuclear engineers are concerned with the production and use of radioactive sources; nuclear chemists study the absorption of radiation.
D
Nuclear chemists are concerned with the production and use of radioactive sources; nuclear engineers study the absorption of radiation.
6

Considering radiation weighting factors only, how many times more dangerous are alpha particles than protons?

A
1
B
2
C
10
D
20
7

Which radiation detection device is the best to use for measuring the presence of radiation in large moving objects where constant monitoring is impossible?

A
film badge
B
Geiger counter
C
cloud chamber
D
scintillation counter
8

A particular fast-moving particle travels several feet in open air and is easily stopped by a solid material. Acute exposure is rare, but chronic effects occur from long-term exposure. Which of type of particle is most likely being described?

A
alpha particle
B
beta particle
C
gamma ray
D
neutron
9

Which is a biological effect of low exposure to radiation?

A
DNA damage
B
cell, tissue, and organ death
C
death of the organism
D
acute radiation syndrome
10

Which career is most concerned with the study of radioactive isotopes?

A
biochemist
B
nuclear chemist
C
organic chemist
D
nuclear engineer
11

Which career is most suited for a nuclear chemist?

A
studying the production and use of radioactive sources
B
designing new compounds for use in industry
C
performing patient imaging procedures in the treatment of health issues
D
interpreting medical images from X-rays, nuclear medicine, ultrasound, or MRI
12

A patient comes into the hospital because she is worried about possible exposure to radiation. The doctors determine that the patient has 60 rem of exposure. What is her risk of cancer?

A
High because her exposure is less than 100 rem.
B
Low because her exposure is less than 100 rem.
C
High because her exposure is greater than 50 rem.
D
Low because her exposure is greater than 50 rem.
13

What is the difference between the units rem and rad?

A
Rem is a conventional unit, and rad is an SI unit.
B
Rem is an SI unit, and rad is a conventional unit.
C
Rem is used to measure biological risk, and rad is used to measure absorbed radiation.
D
Rem is used to measure absorbed radiation, and rad is used to measure biological risk.

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