Question 1

The dosage of technetium-99m for myocardial imaging is 280 μCi/kg of body weight.How many mCi should be given to a patient weighing 65 kg?

Accepted Answer

A) 0.0043 mCi 
B) 4.3 mCi 
C) 18 mCi 
D) 230 mCi 
E) 1.8 ×   mCi 
A) 0.0043 mCi 
B) 4.3 mCi 
C) 18 mCi 
D) 230 mCi 
E) 1.8 ×   mCi

Question 2

Iodine 131 has a half-life of 8.0 days.An I-131 sample has an initial activity of 32 mCi.What is the activity after 24 days?

Accepted Answer

A) 96 mCi 
B) 16.mCi 
C) 8.0 mCi 
D) 4.0 mCi 
E) 2.0 mCi 
A) 96 mCi 
B) 16.mCi 
C) 8.0 mCi 
D) 4.0 mCi 
E) 2.0 mCi

Question 3

A person begins to suffer radiation sickness at an exposure level of ________.

Accepted Answer

A) 25 rem 
B) 5 rem 
C) 500 rem 
D) 100 rem 
E) 600 rem 
A) 25 rem 
B) 5 rem 
C) 500 rem 
D) 100 rem 
E) 600 rem

Question 4

Radium-226 decays by alpha emission to ________.

Accepted Answer

A) barium-131 
B) cobalt-60 
C) carbon-14 
D) polonium-218 
E) radon-222 
A) barium-131 
B) cobalt-60 
C) carbon-14 
D) polonium-218 
E) radon-222

Question 5

The nuclear symbol that completes the equation is a(n)________. 
  Am + ? →   Bk +   n

Accepted Answer

A) proton 
B) neutron 
C) gamma ray 
D) beta particle 
E) alpha particle 
A) proton 
B) neutron 
C) gamma ray 
D) beta particle 
E) alpha particle

Question 6

In alpha emission,the atomic number ________.

Accepted Answer

The answer of In alpha emission,the atomic number ________....

Question 7

A sample of I-131 decays from 12 microcuries to 3.0 microcuries in 16 days.What is the half-life of I-131?

Accepted Answer

A) 16 days 
B) 8.0 days 
C) 32 days 
D) 64 days 
E) 4.0 days 
A) 16 days 
B) 8.0 days 
C) 32 days 
D) 64 days 
E) 4.0 days

Question 8

Match between columns
                        Premises: This process produces radioactive by-products.
Two small nuclei combine to form a larger nucleus.
This nuclear process provides the energy of the sun.
A large nucleus is split into smaller nuclei.
Large amounts of energy are released.
Very high temperatures must be achieved to initiate the reaction.

Accepted Answer

The Answer of fusion and both fission and fusion and is...

Question 9

complete the missing feild
-  U +   n → ________ +   Kr + 3   n + energy

Accepted Answer

The answer of complete the missing feild
-  U +...

The dosage of technetium-99m for myocardial imaging is 280 μCi/kg of body weight.How many mCi should be given to a patient weighing 65 kg?

Iodine 131 has a half-life of 8.0 days.An I-131 sample has an initial activity of 32 mCi.What is the activity after 24 days?

A person begins to suffer radiation sickness at an exposure level of ________.

Radium-226 decays by alpha emission to ________.

The nuclear symbol that completes the equation is a(n)________. Am + ? → Bk + n

In alpha emission,the atomic number ________.

A sample of I-131 decays from 12 microcuries to 3.0 microcuries in 16 days.What is the half-life of I-131?

complete the missing feild - U + n → ________ + Kr + 3 n + energy

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Exam 5: Nuclear Chemistry

The dosage of technetium-99m for myocardial imaging is 280 μCi/kg of body weight.How many mCi should be given to a patient weighing 65 kg?

Iodine 131 has a half-life of 8.0 days.An I-131 sample has an initial activity of 32 mCi.What is the activity after 24 days?

A person begins to suffer radiation sickness at an exposure level of ________.

Radium-226 decays by alpha emission to ________.

The nuclear symbol that completes the equation is a(n)________. Am + ? → Bk + n

In alpha emission,the atomic number ________.

A sample of I-131 decays from 12 microcuries to 3.0 microcuries in 16 days.What is the half-life of I-131?

complete the missing feild - U + n → ________ + Kr + 3 n + energy

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Thiols, Ethers, Aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, Esters, Amines, and Amides

Lipids

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

Filters