Question 1

One symptom of mild radiation sickness is ________.

Accepted Answer

A) a lowered white cell count 
B) a raised white cell count 
C) a lowered red blood cell count 
D) a raised red blood cell count 
E) a white cell count of zero 
A) a lowered white cell count 
B) a raised white cell count 
C) a lowered red blood cell count 
D) a raised red blood cell count 
E) a white cell count of zero A

Question 2

The recommended dosage of I-131 for a test is 4.2 μCi per kg of body mass.How many millicuries should be given to a 55 kg patient? (1 mCi = 1000 μCi)?

Accepted Answer

A) 230 mCi 
B) 0.23 mCi 
C) 0.076 mCi 
D) 760 mCi 
E) 13.8 mCi 
A) 230 mCi 
B) 0.23 mCi 
C) 0.076 mCi 
D) 760 mCi 
E) 13.8 mCi B

Question 3

The symbol   e is a symbol used for a(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 D

Question 4

A nuclear equation is balanced when ________.

Accepted Answer

A) the same elements are found on both sides of the equation 
B) the sum of the mass numbers and the sum of the atomic numbers of the particles and atoms are the same on both sides of the equation 
C) the same particles and atoms are on both sides of the equation 
D) different particles and atoms are on both sides of the equation 
E) the charges of the particles and atoms are the same on both sides of the equation 
A) the same elements are found on both sides of the equation 
B) the sum of the mass numbers and the sum of the atomic numbers of the particles and atoms are the same on both sides of the equation 
C) the same particles and atoms are on both sides of the equation 
D) different particles and atoms are on both sides of the equation 
E) the charges of the particles and atoms are the same on both sides of the equation

Question 5

A wooden object from a prehistoric site has a carbon-14 activity of 10 cpm compared to 40 cpm for new wood.If carbon-14 has a half-life of 5730 yr,what is the age of the wood?

Accepted Answer

A) 1430 yr 
B) 5730 yr 
C) 11 500 yr 
D) 17 200 yr 
E) 22 900 yr 
A) 1430 yr 
B) 5730 yr 
C) 11 500 yr 
D) 17 200 yr 
E) 22 900 yr

Question 6

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 7

What is the radioactive particle released in the following nuclear equation?   Sr →   Y + ?

Accepted Answer

A) alpha particle 
B) beta particle 
C) positron 
D) proton 
E) neutron 
A) alpha particle 
B) beta particle 
C) positron 
D) proton 
E) neutron

Question 8

The SI unit used to measure the biological effect of radiation sample is called the ________.

Accepted Answer

A) rad 
B) curie 
C) sievert 
D) rem 
E) Bq 
A) rad 
B) curie 
C) sievert 
D) rem 
E) Bq

Question 9

Why is it important that radioisotopes used in diagnostic tests have short half-lives?

Accepted Answer

A) These radioisotopes have a greater activity so they are easier to monitor. 
B) This minimizes the harmful side effects of the radiation. 
C) This is necessary so the radioisotopes will have high energy. 
D) These radioisotopes are less expensive. 
E) These radioisotopes are more abundant in nature. 
A) These radioisotopes have a greater activity so they are easier to monitor. 
B) This minimizes the harmful side effects of the radiation. 
C) This is necessary so the radioisotopes will have high energy. 
D) These radioisotopes are less expensive. 
E) These radioisotopes are more abundant in nature.

Question 10

The diagnostic imaging technique that depends on magnetic fields and radio waves,not radioactivity,is called ________.

Accepted Answer

MRI; magne

Question 11

An imaging technique in which a computer monitors the degree of absorption of X-ray beams is known as ________.

Accepted Answer

A) positron emission tomography (PET) 
B) magnetic resonance imaging (MRI) 
C) computed tomography (CT) 
D) radioactive iodine uptake (RAIU) 
E) a scan 
A) positron emission tomography (PET) 
B) magnetic resonance imaging (MRI) 
C) computed tomography (CT) 
D) radioactive iodine uptake (RAIU) 
E) a scan

Question 12

When aluminum-27 is bombarded with a neutron,a gamma ray is emitted.What radioactive isotope is produced?

Accepted Answer

A) silicon-27 
B) silicon-28 
C) aluminum-28 
D) magnesium-27 
E) magnesium-28 
A) silicon-27 
B) silicon-28 
C) aluminum-28 
D) magnesium-27 
E) magnesium-28

Question 13

If absorbed internally,alpha particle emitters are the most damaging because alpha particles ________.

Accepted Answer

A) have the largest charge 
B) have the greatest energy 
C) have the greatest mass 
D) consist of high energy electrons 
E) consist of pure energy 
A) have the largest charge 
B) have the greatest energy 
C) have the greatest mass 
D) consist of high energy electrons 
E) consist of pure energy

Question 14

The damaging effects of radiation on the body are a result of ________.

Accepted Answer

A) the formation of unstable ions 
B) the formation of radioactive atoms in the body 
C) transmutation reactions in the body 
D) extensive damage to nerve cells 
E) the production of radioactive sodium ions in the body 
A) the formation of unstable ions 
B) the formation of radioactive atoms in the body 
C) transmutation reactions in the body 
D) extensive damage to nerve cells 
E) the production of radioactive sodium ions in the body

Question 15

A positron is a particle emitted from the nucleus that has the same mass as a(n)________.

Accepted Answer

A) electron but has a positive charge 
B) neutron but has a positive charge 
C) alpha particle 
D) beta particle 
E) proton emitted from the nucleus 
A) electron but has a positive charge 
B) neutron but has a positive charge 
C) alpha particle 
D) beta particle 
E) proton emitted from the nucleus

Question 16

The nuclear symbol of helium,   He,is also the symbol for designating a(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 17

Which of the following types of radiation has the highest energy?

Accepted Answer

A) α-particles 
B) β-particles 
C) γ-rays 
D) visible light 
E) All of these have the same energy. 
A) α-particles 
B) β-particles 
C) γ-rays 
D) visible light 
E) All of these have the same energy.

Question 18

The production of nitrogen-13 and a neutron from boron-10 by bombardment with a helium-4 nucleus is an example of radioactive decay.

Accepted Answer

A) True 
 B)False

Question 19

When Ra-226 undergoes alpha decay,an atom of lead is also produced.

Accepted Answer

A) True 
 B)False

Question 20

After two half-lives,the activity of a sample is four times the initial activity.

Accepted Answer

A) True 
 B)False

One symptom of mild radiation sickness is ________.

The recommended dosage of I-131 for a test is 4.2 μCi per kg of body mass.How many millicuries should be given to a 55 kg patient? (1 mCi = 1000 μCi)?

The symbol e is a symbol used for a(n)________.

A nuclear equation is balanced when ________.

A wooden object from a prehistoric site has a carbon-14 activity of 10 cpm compared to 40 cpm for new wood.If carbon-14 has a half-life of 5730 yr,what is the age of the wood?

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?

What is the radioactive particle released in the following nuclear equation? Sr → Y + ?

The SI unit used to measure the biological effect of radiation sample is called the ________.

Why is it important that radioisotopes used in diagnostic tests have short half-lives?

The diagnostic imaging technique that depends on magnetic fields and radio waves,not radioactivity,is called ________.

An imaging technique in which a computer monitors the degree of absorption of X-ray beams is known as ________.

When aluminum-27 is bombarded with a neutron,a gamma ray is emitted.What radioactive isotope is produced?

If absorbed internally,alpha particle emitters are the most damaging because alpha particles ________.

The damaging effects of radiation on the body are a result of ________.

A positron is a particle emitted from the nucleus that has the same mass as a(n)________.

The nuclear symbol of helium, He,is also the symbol for designating a(n)________.

Which of the following types of radiation has the highest energy?

The production of nitrogen-13 and a neutron from boron-10 by bombardment with a helium-4 nucleus is an example of radioactive decay.

When Ra-226 undergoes alpha decay,an atom of lead is also produced.

After two half-lives,the activity of a sample is four times the initial activity.

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Exam 5: Nuclear Chemistry

One symptom of mild radiation sickness is ________.

The recommended dosage of I-131 for a test is 4.2 μCi per kg of body mass.How many millicuries should be given to a 55 kg patient? (1 mCi = 1000 μCi)?

The symbol e is a symbol used for a(n)________.

A nuclear equation is balanced when ________.

A wooden object from a prehistoric site has a carbon-14 activity of 10 cpm compared to 40 cpm for new wood.If carbon-14 has a half-life of 5730 yr,what is the age of the wood?

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?

What is the radioactive particle released in the following nuclear equation? Sr → Y + ?

The SI unit used to measure the biological effect of radiation sample is called the ________.

Why is it important that radioisotopes used in diagnostic tests have short half-lives?

The diagnostic imaging technique that depends on magnetic fields and radio waves,not radioactivity,is called ________.

An imaging technique in which a computer monitors the degree of absorption of X-ray beams is known as ________.

When aluminum-27 is bombarded with a neutron,a gamma ray is emitted.What radioactive isotope is produced?

If absorbed internally,alpha particle emitters are the most damaging because alpha particles ________.

The damaging effects of radiation on the body are a result of ________.

A positron is a particle emitted from the nucleus that has the same mass as a(n)________.

The nuclear symbol of helium, He,is also the symbol for designating a(n)________.

Which of the following types of radiation has the highest energy?

The production of nitrogen-13 and a neutron from boron-10 by bombardment with a helium-4 nucleus is an example of radioactive decay.

When Ra-226 undergoes alpha decay,an atom of lead is also produced.

After two half-lives,the activity of a sample is four times the initial activity.

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