Question 1

The figure below is an example of which of the following imaging technique(s)? I. x-ray
II) magnetic resonance imaging
III) computed tomography

Accepted Answer

A)  I only 
B)  II only 
C)  I and III 
D)  II and III 
E)  This figure could be any of these imaging techniques. 
A)  I only 
B)  II only 
C)  I and III 
D)  II and III 
E)  This figure could be any of these imaging techniques. A

Question 2

How is ionizing radiation damaging to the body?

Accepted Answer

A)  It can cause DNA damage. 
B)  It can cause gene mutations. 
C)  It can cause cell death. 
D)  It can cause radiation sickness. 
E)  All of the above 
A)  It can cause DNA damage. 
B)  It can cause gene mutations. 
C)  It can cause cell death. 
D)  It can cause radiation sickness. 
E)  All of the above E

Question 3

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

Accepted Answer

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

Question 4

How many electrons are in the valence shell?

Accepted Answer

A)  12 
B)  10 
C)  8 
D)  4 
E)  2 
A)  12 
B)  10 
C)  8 
D)  4 
E)  2

Question 5

What is the most damaging electromagnetic radiation to biological tissue?

Accepted Answer

A)  radiowaves 
B)  microwaves 
C)  gamma rays 
D)  visible light 
E)  ultraviolet rays 
A)  radiowaves 
B)  microwaves 
C)  gamma rays 
D)  visible light 
E)  ultraviolet rays

Question 6

_____ is most commonly ingested along with salt.

Accepted Answer

A)  Iodine 
B)  Flourine 
C)  Zinc 
D)  Iron 
E)  Oxygen 
A)  Iodine 
B)  Flourine 
C)  Zinc 
D)  Iron 
E)  Oxygen

Question 7

The periods are the _____ of the periodic table.

Accepted Answer

A)  transition metals 
B)  halogens 
C)  rows 
D)  columns 
E)  numbers 
A)  transition metals 
B)  halogens 
C)  rows 
D)  columns 
E)  numbers

Question 8

The average atomic mass of zirconium is

Accepted Answer

A)  less than 90 because the atomic mass only depends on the number of protons in the atom. 
B)  90 because 90Zn has the highest natural abundance. 
C)  greater than 90 but less than 96 because the atomic mass takes into account the abundance of all naturally occurring isotopes. 
D)  96 because the atomic mass is the mass of the highest naturally occurring isotope. 
E)  greater than 96 because the atomic mass is the sum of masses of the naturally occurring isotopes. 
A)  less than 90 because the atomic mass only depends on the number of protons in the atom. 
B)  90 because 90Zn has the highest natural abundance. 
C)  greater than 90 but less than 96 because the atomic mass takes into account the abundance of all naturally occurring isotopes. 
D)  96 because the atomic mass is the mass of the highest naturally occurring isotope. 
E)  greater than 96 because the atomic mass is the sum of masses of the naturally occurring isotopes.

Question 9

Iodine-131 has a half-life of eight days. How many half-lives have passed after 24 days?

Accepted Answer

A)  one half-life 
B)  two half-lives 
C)  three half-lives 
D)  four half-lives 
E)  five half-lives 
A)  one half-life 
B)  two half-lives 
C)  three half-lives 
D)  four half-lives 
E)  five half-lives

Question 10

According to the graph, what is the half-life in years of 226Ra?

Accepted Answer

A)  8000 years 
B)  6400 years 
C)  4800 years 
D)  3200 years 
E)  1600 years 
A)  8000 years 
B)  6400 years 
C)  4800 years 
D)  3200 years 
E)  1600 years

Question 11

What sort of protection should be used when working with gamma emitters?

Accepted Answer

A)  a lead shield 
B)  heavy clothing 
C)  a sheet of aluminum 
D)  a very thick slab of concrete 
E)  None is needed at all because they are not very penetrating. 
A)  a lead shield 
B)  heavy clothing 
C)  a sheet of aluminum 
D)  a very thick slab of concrete 
E)  None is needed at all because they are not very penetrating.

Question 12

Which of the following is NOT a type of radiation that comes from the decay of radioisotopes?

Accepted Answer

A)  microwaves 
B)  x-rays 
C)  gamma rays 
D)  alpha particle 
E)  beta particle 
A)  microwaves 
B)  x-rays 
C)  gamma rays 
D)  alpha particle 
E)  beta particle

Question 13

Which of the imaging technique(s) listed below is a noninvasive procedure? I. x-ray
II) magnetic resonance imaging
III) computed tomography

Accepted Answer

A)  I only 
B)  I and II 
C)  I and III 
D)  II and III 
E)  All of the above are noninvasive procedures. 
A)  I only 
B)  I and II 
C)  I and III 
D)  II and III 
E)  All of the above are noninvasive procedures.

Question 14

What is the identity of element X?

Accepted Answer

A)  xenon 
B)  manganese 
C)  gold 
D)  copper 
E)  iron 
A)  xenon 
B)  manganese 
C)  gold 
D)  copper 
E)  iron

Question 15

How many electrons are core electrons?

Accepted Answer

A)  12 
B)  10 
C)  8 
D)  4 
E)  2 
A)  12 
B)  10 
C)  8 
D)  4 
E)  2

Question 16

An atom in a metastable state is

Accepted Answer

A)  unusually low in energy. 
B)  unusually stable. 
C)  very unreactive. 
D)  high in energy. 
E)  emittable. 
A)  unusually low in energy. 
B)  unusually stable. 
C)  very unreactive. 
D)  high in energy. 
E)  emittable.

Question 17

Elements in group 17 (7A) of the periodic table are likely to form ions with the charge

Accepted Answer

A)  (F1F1F1S1F1F1F103.) 
B)  (F1F1F1S1F1F1F102.) 
C)  (F1F1F1S1F1F1F101.) 
D)  +1. 
E)  +2. 
A)  (F1F1F1S1F1F1F103.) 
B)  (F1F1F1S1F1F1F102.) 
C)  (F1F1F1S1F1F1F101.) 
D)  +1. 
E)  +2.

Question 18

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

Accepted Answer

A)  0.2F1F1F1S1F1F1F100.5 Sv 
B)  0.5F1F1F1S1F1F1F101.0 Sv 
C)  1.0F1F1F1S1F1F1F102.0 Sv 
D)  2F1F1F1S1F1F1F103 Sv 
E)  3F1F1F1S1F1F1F104 Sv 
A)  0.2F1F1F1S1F1F1F100.5 Sv 
B)  0.5F1F1F1S1F1F1F101.0 Sv 
C)  1.0F1F1F1S1F1F1F102.0 Sv 
D)  2F1F1F1S1F1F1F103 Sv 
E)  3F1F1F1S1F1F1F104 Sv

Question 19

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

Accepted Answer

A)  I only 
B)  II only 
C)  I and III 
D)  II and III 
E)  All of the above 
A)  I only 
B)  II only 
C)  I and III 
D)  II and III 
E)  All of the above

Question 20

Which of the following types of radiation can be stopped by light clothing?

Accepted Answer

A)  beta particles 
B)  alpha particles 
C)  gamma rays 
D)  x-rays 
E)  All of the above 
A)  beta particles 
B)  alpha particles 
C)  gamma rays 
D)  x-rays 
E)  All of the above

The figure below is an example of which of the following imaging technique(s)? I. x-ray II) magnetic resonance imaging III) computed tomography

How is ionizing radiation damaging to the body?

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

How many electrons are in the valence shell?

What is the most damaging electromagnetic radiation to biological tissue?

_____ is most commonly ingested along with salt.

The periods are the _____ of the periodic table.

The average atomic mass of zirconium is

Iodine-131 has a half-life of eight days. How many half-lives have passed after 24 days?

According to the graph, what is the half-life in years of ²²⁶Ra?

What sort of protection should be used when working with gamma emitters?

Which of the following is NOT a type of radiation that comes from the decay of radioisotopes?

Which of the imaging technique(s) listed below is a noninvasive procedure? I. x-ray II) magnetic resonance imaging III) computed tomography

What is the identity of element X?

How many electrons are core electrons?

An atom in a metastable state is

Elements in group 17 (7A) of the periodic table are likely to form ions with the charge

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

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

Which of the following types of radiation can be stopped by light clothing?

Measuring Matter and Energy

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Exam 2: Atomic Structure and Nuclear Radiation

The figure below is an example of which of the following imaging technique(s)? I. x-ray II) magnetic resonance imaging III) computed tomography

How is ionizing radiation damaging to the body?

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

How many electrons are in the valence shell?

What is the most damaging electromagnetic radiation to biological tissue?

_____ is most commonly ingested along with salt.

The periods are the _____ of the periodic table.

The average atomic mass of zirconium is

Iodine-131 has a half-life of eight days. How many half-lives have passed after 24 days?

According to the graph, what is the half-life in years of 226Ra?

What sort of protection should be used when working with gamma emitters?

Which of the following is NOT a type of radiation that comes from the decay of radioisotopes?

Which of the imaging technique(s) listed below is a noninvasive procedure? I. x-ray II) magnetic resonance imaging III) computed tomography

What is the identity of element X?

How many electrons are core electrons?

An atom in a metastable state is

Elements in group 17 (7A) of the periodic table are likely to form ions with the charge

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

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

Which of the following types of radiation can be stopped by light clothing?

Measuring Matter and Energy

Compounds and Molecules

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

According to the graph, what is the half-life in years of ²²⁶Ra?