Question 1

Which of the nuclear emissions is of the greatest mass?

Accepted Answer

A) "$\alpha$ particles" 
B) "$\beta$ particles" 
C) "neutrons" 
D) "positrons" 
A) "$\alpha$ particles" 
B) "$\beta$ particles" 
C) "neutrons" 
D) "positrons"

Question 2

Nuclear emissions are passed through a tunnel that has a positive plate on the top and a negative plate on the bottom.Which of the following emissions is deflected the greatest by the electrical field?

Accepted Answer

A) "$\alpha$particles 
B) "$\beta$ particles" 
C) "neutrons" 
D) "$\gamma$ rays" 
A) "$\alpha$particles 
B) "$\beta$ particles" 
C) "neutrons" 
D) "$\gamma$ rays"

Question 3

The new nuclei produced when unstable nuclei undergo radioactive decay is referred to as the _____ .

Accepted Answer

A) father nuclei 
B) daughter nuclei 
C) mother nuclei 
D) neighbor nuclei 
A) father nuclei 
B) daughter nuclei 
C) mother nuclei 
D) neighbor nuclei

Question 4

There are some elements within the periodic table that do not occur in nature.One of the man-made elements is _____ .

Accepted Answer

A) Ta 
B) Pt 
C) Tc 
D) La 
A) Ta 
B) Pt 
C) Tc 
D) La

Question 5

Sn-108 undergoes electron capture.The product of this reaction would be _____ .

Accepted Answer

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

Question 6

You inject a 160 lb male patient with 1.0 ml of a saline solution containing a radioactive form of sodium.It has an activity of 5.0 * 104 dpm.After allowing sufficient time for the solution to mix,you remove a 1.0 ml sample of blood and measure its radioactivity.You discover it to have an activity of 11 dpm.What is the patient's blood volume? (Hint: this is similar to a M1V1 = M2V2 type problem.)

Accepted Answer

A) 2.2 liters 
B) 3.5 liters 
C) 4.6 liters 
D) 7.0 liters 
A) 2.2 liters 
B) 3.5 liters 
C) 4.6 liters 
D) 7.0 liters

Question 7

Which emissions can be detected by a film badge?

Accepted Answer

A) X-rays 
B) gamma 
C) beta 
D) all are detected 
A) X-rays 
B) gamma 
C) beta 
D) all are detected

Question 8

What characteristic is important in using radioisotope dating for very old items,such as rocks suspected to be over 100,000,000 years old?

Accepted Answer

A) The radioisotope cannot be soluble in water. 
B) The radioisotope must give off light for easy measurement. 
C) The radioisotope in question must decay to another radioisotope. 
D) The radioisotope should have a very long half-life. 
A) The radioisotope cannot be soluble in water. 
B) The radioisotope must give off light for easy measurement. 
C) The radioisotope in question must decay to another radioisotope. 
D) The radioisotope should have a very long half-life.

Question 9

What is the nuclear composition of   ?

Accepted Answer

A) 12 neutrons and 28 protons 
B) 12 neutrons and 16 protons 
C) 12 protons and 28 neutrons 
D) 12 protons and 16 neutrons 
A) 12 neutrons and 28 protons 
B) 12 neutrons and 16 protons 
C) 12 protons and 28 neutrons 
D) 12 protons and 16 neutrons

Question 10

A desirable characteristic of a radioisotope used as a tracer is that it produces a radioactive daughter.

Accepted Answer

A) True 
 B)False

Question 11

Ionizing radiation produced fee radicals in living tissue.

Accepted Answer

A) True 
 B)False

Question 12

Carbon-14 dating is a useful tool for determining the age of the artifacts of ancient civilizations.However,when future archeologists study ruins of our civilization,they obtain confusing results -- with some artifacts dating MUCH older than others.Which of the following would be an explanation for these results?

Accepted Answer

A) Variations in the Sun's intensity and production of cosmic rays. 
B) Ecosystem changes resulting in a reduction in carbon based life. 
C) The use of petroleum based synthetic materials. 
D) None of the choices. 
A) Variations in the Sun's intensity and production of cosmic rays. 
B) Ecosystem changes resulting in a reduction in carbon based life. 
C) The use of petroleum based synthetic materials. 
D) None of the choices.

Question 13

A patient that works at a nuclear power plant comes to you complaining of nausea and fatigue.You find out that he might have been exposed to a radiation source; what would you recommend be done?

Accepted Answer

A) Nothing,If he is still alive,there is no real problem. 
B) Send the patient home to rest because nausea and fatigue are not signs of a serious exposure. 
C) Have additional tests ran to find out the level of exposure. 
D) Tell the patient to take two aspirins and call you in the morning,he probably has the flu. 
A) Nothing,If he is still alive,there is no real problem. 
B) Send the patient home to rest because nausea and fatigue are not signs of a serious exposure. 
C) Have additional tests ran to find out the level of exposure. 
D) Tell the patient to take two aspirins and call you in the morning,he probably has the flu.

Question 14

One of the symbols for a beta particle is   .

Accepted Answer

A) True 
 B)False

Question 15

Which of the responses represent the missing particle in the following reaction?

Accepted Answer

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

Question 16

Technetium-99m is used in medical diagnosis by injecting a solution and watch for the pattern of emissions.A 0.325 g sample was injected into a person,and the emission rate indicates that there are approximately 0.01016 grams of Tc-99 left.How much time has passed since the injection? Tc-99 has a half-life of 6 hours.

Accepted Answer

A) 24 hours 
B) 30 hours 
C) 36 hours 
D) Not enough data. 
A) 24 hours 
B) 30 hours 
C) 36 hours 
D) Not enough data.

Question 17

Consider the figure below.Which form of emitted radiation would follow the path shown by the arrow labeled 1?

Accepted Answer

A) "$\alpha$" 
B) "$\beta$-" 
C) "$\gamma$" 
D) "$\beta$ + " 
A) "$\alpha$" 
B) "$\beta$-" 
C) "$\gamma$" 
D) "$\beta$ + "

Question 18

If you are a medical professional and have a chance to be exposed to many sources of radiation,which of the following units to measure biological radiation will most likely be used to express your level of total exposure?

Accepted Answer

A) roentgen 
B) rad 
C) gray 
D) rem 
A) roentgen 
B) rad 
C) gray 
D) rem

Question 19

What is the emission that is used to obtain an MRI?

Accepted Answer

A) alpha 
B) beta 
C) X-ray 
D) none of them 
A) alpha 
B) beta 
C) X-ray 
D) none of them

Question 20

A good radioisotope tracer for medical use should not have the following characteristic.

Accepted Answer

A) have a long half-life 
B) produce penetrating gamma radiation 
C) decay to a nontoxic form 
D) undergo the same reactions as the nonradioactive element 
A) have a long half-life 
B) produce penetrating gamma radiation 
C) decay to a nontoxic form 
D) undergo the same reactions as the nonradioactive element

Exam 10: Radioactivity and Nuclear Processes

Which of the nuclear emissions is of the greatest mass?

Nuclear emissions are passed through a tunnel that has a positive plate on the top and a negative plate on the bottom.Which of the following emissions is deflected the greatest by the electrical field?

The new nuclei produced when unstable nuclei undergo radioactive decay is referred to as the _____ .

There are some elements within the periodic table that do not occur in nature.One of the man-made elements is _____ .

Sn-108 undergoes electron capture.The product of this reaction would be _____ .

Which emissions can be detected by a film badge?

What characteristic is important in using radioisotope dating for very old items,such as rocks suspected to be over 100,000,000 years old?

What is the nuclear composition of ?

A desirable characteristic of a radioisotope used as a tracer is that it produces a radioactive daughter.

Ionizing radiation produced fee radicals in living tissue.

A patient that works at a nuclear power plant comes to you complaining of nausea and fatigue.You find out that he might have been exposed to a radiation source; what would you recommend be done?

One of the symbols for a beta particle is .

Which of the responses represent the missing particle in the following reaction?

Consider the figure below.Which form of emitted radiation would follow the path shown by the arrow labeled 1?

If you are a medical professional and have a chance to be exposed to many sources of radiation,which of the following units to measure biological radiation will most likely be used to express your level of total exposure?

What is the emission that is used to obtain an MRI?

A good radioisotope tracer for medical use should not have the following characteristic.

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids, bases, and Salts

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters