Question 1

Which of the method(s)of imaging listed below produces three-dimensional images? I.x-ray
II)computed tomography

Accepted Answer

A)  I only 
B)  II only 
C)  I and II 
D)  neither I nor II 
A)  I only 
B)  II only 
C)  I and II 
D)  neither I nor II

Question 2

Which energy level is the valence energy level?

Accepted Answer

A)  energy level A 
B)  energy level B 
C)  energy level C 
D)  energy levels A and B 
E)  energy levels B and C 
A)  energy level A 
B)  energy level B 
C)  energy level C 
D)  energy levels A and B 
E)  energy levels B and C

Question 3

How is an atom in the body changed once it is hit with ionizing radiation?

Accepted Answer

A)  It becomes positively charged. 
B)  It becomes negatively charged. 
C)  It becomes a new isotope. 
D)  It becomes a new element. 
E)  It falls apart. 
A)  It becomes positively charged. 
B)  It becomes negatively charged. 
C)  It becomes a new isotope. 
D)  It becomes a new element. 
E)  It falls apart.

Question 4

What is the identity of the missing daughter nuclide in the following nuclear reaction?

Accepted Answer

A)  beryllium-11 
B)  beryllium-12 
C)  beryllium-13 
D)  carbon-12 
E)  carbon-13 
A)  beryllium-11 
B)  beryllium-12 
C)  beryllium-13 
D)  carbon-12 
E)  carbon-13

Question 5

What fraction of the electromagnetic spectrum is visible to humans?

Accepted Answer

A)  about two-thirds 
B)  half 
C)  about one-quarter 
D)  a very small fraction 
E)  none 
A)  about two-thirds 
B)  half 
C)  about one-quarter 
D)  a very small fraction 
E)  none

Question 6

Which is the BEST definition of the term "ionizing radiation"?

Accepted Answer

A)  This is radiation that has enough energy to dislodge a valence electron from an atom. 
B)  This is the radiation that is released during a nuclear reaction. 
C)  This is any electromagnetic radiation. 
D)  This is any nuclear or electromagnetic radiation. 
E)  This is any long-wavelength electromagnetic radiation. 
A)  This is radiation that has enough energy to dislodge a valence electron from an atom. 
B)  This is the radiation that is released during a nuclear reaction. 
C)  This is any electromagnetic radiation. 
D)  This is any nuclear or electromagnetic radiation. 
E)  This is any long-wavelength electromagnetic radiation.

Question 7

The product from the alpha decay of radon-222 is

Accepted Answer

A)  polonium-218. 
B)  radium-226. 
C)  polonium-226. 
D)  radium-218. 
E)  lead-220. 
A)  polonium-218. 
B)  radium-226. 
C)  polonium-226. 
D)  radium-218. 
E)  lead-220.

Question 8

Which of the imaging technique(s)listed below is harmless to the patient? I.x-ray
II)computed tomography

Accepted Answer

A)  I only 
B)  II only 
C)  I and II 
D)  neither I nor II 
A)  I only 
B)  II only 
C)  I and II 
D)  neither I nor II

Question 9

Why is it necessary to shield yourself from gamma radiation and beta and alpha particles but not from radio waves or microwaves?

Accepted Answer

A)  Radio waves and microwaves do not have much penetrating power. 
B)  Radio waves and microwaves are lower in energy, so they are not ionizing. 
C)  Radio waves and microwaves are higher in energy, so they pass through the body without adverse effect. 
D)  Radio waves and microwaves are not electromagnetic radiation. 
E)  Gamma radiation and beta and alpha particles are not ionizing. 
A)  Radio waves and microwaves do not have much penetrating power. 
B)  Radio waves and microwaves are lower in energy, so they are not ionizing. 
C)  Radio waves and microwaves are higher in energy, so they pass through the body without adverse effect. 
D)  Radio waves and microwaves are not electromagnetic radiation. 
E)  Gamma radiation and beta and alpha particles are not ionizing.

Question 10

The elements numbered 21 through 30 are examples of _______.

Accepted Answer

A)  transition metals 
B)  noble gases 
C)  alkali earth metals 
D)  alkali metals 
E)  halogens 
A)  transition metals 
B)  noble gases 
C)  alkali earth metals 
D)  alkali metals 
E)  halogens

Question 11

Which of the following does NOT need to be considered when determining what sort of protection against ionizing radiation must be used?

Accepted Answer

A)  type of ionizing radiation 
B)  energy of the radiation 
C)  duration of contact with the ionizing radiation 
D)  penetrating power of the ionizing radiation 
E)  All of the above should be considered. 
A)  type of ionizing radiation 
B)  energy of the radiation 
C)  duration of contact with the ionizing radiation 
D)  penetrating power of the ionizing radiation 
E)  All of the above should be considered.

Question 12

How is an alpha particle different from an atom of helium?

Accepted Answer

A)  It's not different at all. 
B)  It has a different number of protons. 
C)  It has a different number of neutrons. 
D)  It has a different number of electrons. 
E)  It has both a different number of electrons and a different number of protons. 
A)  It's not different at all. 
B)  It has a different number of protons. 
C)  It has a different number of neutrons. 
D)  It has a different number of electrons. 
E)  It has both a different number of electrons and a different number of protons.

Question 13

Radioactive isotopes are

Accepted Answer

A)  very stable isotopes. 
B)  highly chemically reactive. 
C)  unstable isotopes. 
D)  charged species. 
E)  unusually nonreactive. 
A)  very stable isotopes. 
B)  highly chemically reactive. 
C)  unstable isotopes. 
D)  charged species. 
E)  unusually nonreactive.

Question 14

Electron energy levels closest to the nucleus are occupied before electron energy levels farther from the nucleus because the electron energy levels closest to the nucleus are

Accepted Answer

A)  pulled toward the nucleus by gravity. 
B)  protected by the outer shell. 
C)  attracted to the nucleus for reasons unknown. 
D)  more stable than electrons farther from the nucleus. 
E)  Actually, electrons farther from the nucleus are filled first. 
A)  pulled toward the nucleus by gravity. 
B)  protected by the outer shell. 
C)  attracted to the nucleus for reasons unknown. 
D)  more stable than electrons farther from the nucleus. 
E)  Actually, electrons farther from the nucleus are filled first.

Question 15

The identity of an element is determined by its number of _____.

Accepted Answer

A)  protons 
B)  neutrons 
C)  electrons 
D)  protons and neutrons 
E)  protons, neutrons, and electrons 
A)  protons 
B)  neutrons 
C)  electrons 
D)  protons and neutrons 
E)  protons, neutrons, and electrons

Question 16

Which of the following is NOT the same for different isotopes of the same element?

Accepted Answer

A)  atomic number 
B)  number of protons 
C)  number of electrons 
D)  charge 
E)  mass number 
A)  atomic number 
B)  number of protons 
C)  number of electrons 
D)  charge 
E)  mass number

Question 17

What is the minimum dosage in which people are observed to die from radiation sickness?

Accepted Answer

A)  0.2-0.5 Sv 
B)  0.5-1.0 Sv 
C)  1.0-2.0 Sv 
D)  2-3 Sv 
E)  3-4 Sv 
A)  0.2-0.5 Sv 
B)  0.5-1.0 Sv 
C)  1.0-2.0 Sv 
D)  2-3 Sv 
E)  3-4 Sv

Question 18

In a balanced nuclear reaction, which statement is consistent with the release of a beta particle?

Accepted Answer

A)  The identity of the atom does not change. 
B)  All radioactive decay releases a beta particle. 
C)  The mass number decreases by 4. 
D)  The atomic number increases by 1. 
E)  The atomic number decreases by 1. 
A)  The identity of the atom does not change. 
B)  All radioactive decay releases a beta particle. 
C)  The mass number decreases by 4. 
D)  The atomic number increases by 1. 
E)  The atomic number decreases by 1.

Question 19

_____ are neutral.

Accepted Answer

A)  Protons 
B)  Neutrons 
C)  Electrons 
D)  Protons and neutrons 
E)  Protons, neutrons, and electrons 
A)  Protons 
B)  Neutrons 
C)  Electrons 
D)  Protons and neutrons 
E)  Protons, neutrons, and electrons

Question 20

Isotopes are elements with the same number of

Accepted Answer

A)  electrons but different numbers of protons. 
B)  protons but different numbers of electrons. 
C)  electrons but different numbers of neutrons. 
D)  protons but different numbers of neutrons. 
E)  neutrons but different numbers of protons. 
A)  electrons but different numbers of protons. 
B)  protons but different numbers of electrons. 
C)  electrons but different numbers of neutrons. 
D)  protons but different numbers of neutrons. 
E)  neutrons but different numbers of protons.

Which of the method(s)of imaging listed below produces three-dimensional images? I.x-ray II)computed tomography

Which energy level is the valence energy level?

How is an atom in the body changed once it is hit with ionizing radiation?

What is the identity of the missing daughter nuclide in the following nuclear reaction?

What fraction of the electromagnetic spectrum is visible to humans?

Which is the BEST definition of the term "ionizing radiation"?

The product from the alpha decay of radon-222 is

Which of the imaging technique(s)listed below is harmless to the patient? I.x-ray II)computed tomography

Why is it necessary to shield yourself from gamma radiation and beta and alpha particles but not from radio waves or microwaves?

The elements numbered 21 through 30 are examples of _______.

Which of the following does NOT need to be considered when determining what sort of protection against ionizing radiation must be used?

How is an alpha particle different from an atom of helium?

Radioactive isotopes are

Electron energy levels closest to the nucleus are occupied before electron energy levels farther from the nucleus because the electron energy levels closest to the nucleus are

The identity of an element is determined by its number of _____.

Which of the following is NOT the same for different isotopes of the same element?

What is the minimum dosage in which people are observed to die from radiation sickness?

In a balanced nuclear reaction, which statement is consistent with the release of a beta particle?

_____ are neutral.

Isotopes are elements with the same number of

Matter, Energy, and Measurement

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

The Common Organic Reactions in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

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Exam 2: Atomic Structure and Radioisotopes

Which of the method(s)of imaging listed below produces three-dimensional images? I.x-ray II)computed tomography

Which energy level is the valence energy level?

How is an atom in the body changed once it is hit with ionizing radiation?

What is the identity of the missing daughter nuclide in the following nuclear reaction?

What fraction of the electromagnetic spectrum is visible to humans?

Which is the BEST definition of the term "ionizing radiation"?

The product from the alpha decay of radon-222 is

Which of the imaging technique(s)listed below is harmless to the patient? I.x-ray II)computed tomography

Why is it necessary to shield yourself from gamma radiation and beta and alpha particles but not from radio waves or microwaves?

The elements numbered 21 through 30 are examples of _______.

Which of the following does NOT need to be considered when determining what sort of protection against ionizing radiation must be used?

How is an alpha particle different from an atom of helium?

Radioactive isotopes are

Electron energy levels closest to the nucleus are occupied before electron energy levels farther from the nucleus because the electron energy levels closest to the nucleus are

The identity of an element is determined by its number of _____.

Which of the following is NOT the same for different isotopes of the same element?

What is the minimum dosage in which people are observed to die from radiation sickness?

In a balanced nuclear reaction, which statement is consistent with the release of a beta particle?

_____ are neutral.

Isotopes are elements with the same number of

Matter, Energy, and Measurement

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

The Common Organic Reactions in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters