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Which of the following is used to image the liver?


A) (18O)
B) (131I)
C) (123I)
D) (24Na)
E) (99Tc)

F) D) and E)
G) A) and D)

Correct Answer

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What is the name for spontaneous emission of particles or electromagnetic radiation by certain nuclei?


A) Protons
B) Isotopes
C) Radioactivity
D) Neutrons
E) Electrons

F) C) and D)
G) B) and E)

Correct Answer

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Which of the following is used to image the heart?


A) (18O)
B) (131I)
C) (123I)
D) (24Na)
E) (99Tc)

F) A) and C)
G) D) and E)

Correct Answer

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The energy released by the sun is the result of


A) natural radioactivity.
B) nuclear fusion.
C) combustion of hydrogen.
D) photosynthesis.
E) nuclear fission.

F) C) and E)
G) None of the above

Correct Answer

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Identify the missing species in the following nuclear transmutation. Identify the missing species in the following nuclear transmutation. A) B) C) D) E) None of the answers is correct.


A) Identify the missing species in the following nuclear transmutation. A) B) C) D) E) None of the answers is correct.
B) Identify the missing species in the following nuclear transmutation. A) B) C) D) E) None of the answers is correct.
C) Identify the missing species in the following nuclear transmutation. A) B) C) D) E) None of the answers is correct.
D) Identify the missing species in the following nuclear transmutation. A) B) C) D) E) None of the answers is correct.
E) None of the answers is correct.

F) A) and E)
G) A) and B)

Correct Answer

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What is the missing symbol in this plutonium fission reaction? What is the missing symbol in this plutonium fission reaction? A) B) C) D) E)


A) What is the missing symbol in this plutonium fission reaction? A) B) C) D) E)
B) What is the missing symbol in this plutonium fission reaction? A) B) C) D) E)
C) What is the missing symbol in this plutonium fission reaction? A) B) C) D) E)
D) What is the missing symbol in this plutonium fission reaction? A) B) C) D) E)
E) What is the missing symbol in this plutonium fission reaction? A) B) C) D) E)

F) B) and E)
G) D) and E)

Correct Answer

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As a result of beta decay, the product nucleus is


A) one atomic number lower than the original element.
B) two atomic numbers higher than the original element.
C) one atomic number higher than the original element.
D) two atomic numbers lower than the original element.
E) four atomic numbers lower than the original element.

F) B) and D)
G) B) and E)

Correct Answer

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In the equation below, what particle or type of radiation needs to be included to balance the equation? 234Th → ? + beta particle


A) Ac-234
B) Pa-234
C) Ac-235
D) Pa-235
E) Ac-233

F) C) and D)
G) B) and E)

Correct Answer

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In the equation below, what particle or type of radiation needs to be included to balance the equation? 208Po → ? + 208At


A) Gamma particle
B) Alpha particle
C) Proton
D) Beta particle
E) Positron

F) B) and D)
G) B) and C)

Correct Answer

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D

Which of the following is used to test the activity of the thyroid?


A) (18O)
B) (131I)
C) (123I)
D) (24Na)
E) (99Tc)

F) A) and E)
G) D) and E)

Correct Answer

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Iodine-131, t1/2 = 8.0 days, is used in the diagnosis and treatment of thyroid gland diseases.If a laboratory sample of iodine-131 initially emits 9.95 × 1018 β particles per day, how long will it take for the activity to drop to 6.22 × 1017 β particles per day?


A) 2.0 days
B) 16 days
C) 32 days
D) 128 days
E) None of the answers is correct.

F) B) and E)
G) A) and B)

Correct Answer

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In the equation below, what particle or type of radiation needs to be included to balance the equation? 208Pb → ? + 204Hg


A) Gamma particle
B) Alpha particle
C) Proton
D) Beta particle
E) Positron

F) A) and E)
G) A) and B)

Correct Answer

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Charcoal found under a stone at Stonehenge, England, has a carbon-14 activity that is 0.60 that of new wood.How old is the charcoal? (The half-life of carbon-14 is 5730 years.)


A) Less than 5730 yr
B) Between 5730 and 11,460 yr
C) Between 11,460 and 17,190 yr
D) More than 17,190 yr

E) C) and D)
F) None of the above

Correct Answer

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Which type of nuclear process requires an extremely high temperature (millions of degrees) ?


A) Beta decay
B) Fission reaction
C) Fusion reaction
D) Alpha decay
E) Positron emission

F) C) and D)
G) All of the above

Correct Answer

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Cobalt-60 is a beta emitter with a half-life of 5.3 years.Approximately what fraction of cobalt-60 atoms will remain in a particular sample after 26.5 years?


A) 1/5
B) 1/16
C) 1/26
D) 1/32
E) 1/64

F) A) and C)
G) A) and E)

Correct Answer

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Alpha particles are identical to


A) protons.
B) helium atoms.
C) hydrogen atoms.
D) helium nuclei.
E) electrons.

F) None of the above
G) A) and E)

Correct Answer

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What is the nuclear process called in which a heavy nuclear of mass number greater than 200 divides to form smaller nuclei of intermediate mass and one or more neutron(s) ?


A) Photonuclear reactions
B) Nuclear fission
C) Thermal conductivity
D) Nuclear combination
E) Nuclear fusion

F) B) and C)
G) A) and B)

Correct Answer

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B

In the following reaction, identify X. In the following reaction, identify X. A) B) C) D) E)


A) In the following reaction, identify X. A) B) C) D) E)
B) In the following reaction, identify X. A) B) C) D) E)
C) In the following reaction, identify X. A) B) C) D) E)
D) In the following reaction, identify X. A) B) C) D) E)
E) In the following reaction, identify X. A) B) C) D) E)

F) A) and C)
G) A) and B)

Correct Answer

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Uranium-235 decays by alpha emission.What isotope is also produced by this transformation?


A) Pa-234
B) Th-237
C) Pu-237
D) Th-231
E) Pu-239

F) B) and D)
G) B) and C)

Correct Answer

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Which equation correctly represents positron decay of Which equation correctly represents positron decay of ? A) B) C) D) E) ?


A) Which equation correctly represents positron decay of ? A) B) C) D) E)
B) Which equation correctly represents positron decay of ? A) B) C) D) E)
C) Which equation correctly represents positron decay of ? A) B) C) D) E)
D) Which equation correctly represents positron decay of ? A) B) C) D) E)
E) Which equation correctly represents positron decay of ? A) B) C) D) E)

F) C) and E)
G) A) and B)

Correct Answer

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E

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