Question 1

Which of the following is most easily damaged by exposure to radiation?

Accepted Answer

A)  bacteria 
B)  human tissue 
C)  viruses 
D)  They are all equally easily damaged. 
A)  bacteria 
B)  human tissue 
C)  viruses 
D)  They are all equally easily damaged. B

Question 2

Which of the following conversion factors relates the rem to the sievert?

Accepted Answer

A)  1 Sv = 100 rem 
B)  1 Sv = 1000 rem 
C)  1 Sv = 0.01 rem 
D)  1 Sv = 0.001 rem 
A)  1 Sv = 100 rem 
B)  1 Sv = 1000 rem 
C)  1 Sv = 0.01 rem 
D)  1 Sv = 0.001 rem A

Question 3

Which of the following radioisotopes is used to deliver radiation to cancer cells in the body?

Accepted Answer

A)  C-14 
B)  Co-60 
C)  I-131 
D)  P-32 
A)  C-14 
B)  Co-60 
C)  I-131 
D)  P-32 B

Question 4

Which unit is a measure of the radiation absorbed by body tissues from a radiation dose?

Accepted Answer

A)  the curie 
B)  the rad 
C)  the roentgen 
D)  all of these 
A)  the curie 
B)  the rad 
C)  the roentgen 
D)  all of these

Question 5

Which of the following statements is true of electromagnetic radiation?

Accepted Answer

A)  All electromagnetic radiations have equal energy. 
B)  As the wavelength of radiation increases, the energy of the radiation decreases. 
C)  As the wavelength of radiation increases, the energy of the radiation increases. 
D)  None of these statements are true. 
A)  All electromagnetic radiations have equal energy. 
B)  As the wavelength of radiation increases, the energy of the radiation decreases. 
C)  As the wavelength of radiation increases, the energy of the radiation increases. 
D)  None of these statements are true.

Question 6

Which of the following units is equal to 3.7 × 104 dps?

Accepted Answer

A)  1 Ci 
B)  1 mCi 
C)  1 Bq 
D)  1 µCi 
A)  1 Ci 
B)  1 mCi 
C)  1 Bq 
D)  1 µCi

Question 7

Which of the following isotopes can be used by geologists to date rocks?

Accepted Answer

A)  C-14 
B)  I-131 
C)  Sr-90 
D)  U-238 
A)  C-14 
B)  I-131 
C)  Sr-90 
D)  U-238

Question 8

Tritium   is a β emitter. Identify the product formed when   emits a β particle.

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 9

Which of the following types of radiation can completely pass through the body?

Accepted Answer

A)  α 
B)  β 
C)  γ 
D)  none of these 
A)  α 
B)  β 
C)  γ 
D)  none of these

Question 10

Examine the following figure.     Which of the lines represents radiation with the largest energy range?
Which of the lines represents radiation with the largest energy range?

Accepted Answer

A)  A 
B)  B 
C)  C 
A)  A 
B)  B 
C)  C

Question 11

Identify the charge carried by beta (β) particles.

Accepted Answer

A)  0 
B)  +2 
C)  -1 
D)  -3 
A)  0 
B)  +2 
C)  -1 
D)  -3

Question 12

Nuclear wastes are stored both at the sites of power plants and at special facilities maintained by the Department of Energy. What is the approximate amount of waste stored on site at power plants?

Accepted Answer

A)  500 metric tons 
B)  5000 metric tons 
C)  50,000 metric tons 
D)  500,000 metric tons 
A)  500 metric tons 
B)  5000 metric tons 
C)  50,000 metric tons 
D)  500,000 metric tons

Question 13

Examine the following figure.     Which line represents the type of radiation involved in PET scans using

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  None of the lines since   is a positron emitter. 
A)  A 
B)  B 
C)  C 
D)  None of the lines since   is a positron emitter.

Question 14

Which of the following is true of transuranium elements?

Accepted Answer

A)  Some of these elements are stable, while the other elements are unstable. 
B)  They are all stable. 
C)  They are all unstable but have long half-lives. 
D)  They are all unstable, and most have short half-lives. 
A)  Some of these elements are stable, while the other elements are unstable. 
B)  They are all stable. 
C)  They are all unstable but have long half-lives. 
D)  They are all unstable, and most have short half-lives.

Question 15

Which of the following occurs during an uncontrolled fission chain reaction?

Accepted Answer

A)  A heavy nucleus is broken into smaller nuclei. 
B)  More neutrons are produced than are consumed. 
C)  A heavy nucleus is broken into smaller nuclei and more neutrons are produced than are consumed. 
D)  None of these. 
A)  A heavy nucleus is broken into smaller nuclei. 
B)  More neutrons are produced than are consumed. 
C)  A heavy nucleus is broken into smaller nuclei and more neutrons are produced than are consumed. 
D)  None of these.

Question 16

Which of the following elements is used as fuel in a nuclear fusion reaction?

Accepted Answer

A)  helium 
B)  hydrogen 
C)  iron 
D)  uranium 
A)  helium 
B)  hydrogen 
C)  iron 
D)  uranium

Question 17

What particle is emitted from an element when it undergoes beta decay?

Accepted Answer

A)  γ 
B)    
C)    
D)    
A)  γ 
B)    
C)    
D)

Question 18

Identify the percentage of a radioactive sample that remains after four half-lives.

Accepted Answer

A)  25.0% 
B)  12.5% 
C)  6.25% 
D)  3.13% 
A)  25.0% 
B)  12.5% 
C)  6.25% 
D)  3.13%

Question 19

Identify the element formed when   decays by electron capture.

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 20

Which of the following radioisotopes is used to monitor thyroid function?

Accepted Answer

A)  C-14 
B)  H-3 
C)  I-131 
D)  P-32 
A)  C-14 
B)  H-3 
C)  I-131 
D)  P-32

Exam 9: Nuclear Chemistry

Which of the following is most easily damaged by exposure to radiation?

Which of the following conversion factors relates the rem to the sievert?

Which of the following radioisotopes is used to deliver radiation to cancer cells in the body?

Which unit is a measure of the radiation absorbed by body tissues from a radiation dose?

Which of the following statements is true of electromagnetic radiation?

Which of the following units is equal to 3.7 × 104 dps?

Which of the following isotopes can be used by geologists to date rocks?

Tritium is a β emitter. Identify the product formed when emits a β particle.

Which of the following types of radiation can completely pass through the body?

Examine the following figure. Which of the lines represents radiation with the largest energy range? Which of the lines represents radiation with the largest energy range?

Identify the charge carried by beta (β) particles.

Nuclear wastes are stored both at the sites of power plants and at special facilities maintained by the Department of Energy. What is the approximate amount of waste stored on site at power plants?

Examine the following figure. Which line represents the type of radiation involved in PET scans using

Which of the following is true of transuranium elements?

Which of the following occurs during an uncontrolled fission chain reaction?

Which of the following elements is used as fuel in a nuclear fusion reaction?

What particle is emitted from an element when it undergoes beta decay?

Identify the percentage of a radioactive sample that remains after four half-lives.

Identify the element formed when decays by electron capture.

Which of the following radioisotopes is used to monitor thyroid function?

Matter, Energy, and Measurement

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Organic Chemistry

Alkanes

Alkenes, Alkynes, and Aromatic Compounds

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Biosynthetic Pathways

Nutrition

Immunochemistry

Body Fluids

Filters

Which of the following units is equal to 3.7 × 10⁴ dps?