Question 1

The intensity of radiation is 100 units 15 feet from the source.The intensity would then be 300 units 5 feet from the source.

Accepted Answer

A) True 
 B)False

Question 2

A dose of 600 rem is nearly always fatal.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is a physical measurement of radioactivity?

Accepted Answer

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

Question 4

The decay of  
To  
Occurs through the emission of

Accepted Answer

A)  an alpha particle. 
B)  a beta particle. 
C)  a positron. 
D)  a proton. 
A)  an alpha particle. 
B)  a beta particle. 
C)  a positron. 
D)  a proton.

Question 5

Which of the following is not attracted or repelled by electrical charges?

Accepted Answer

A)  alpha rays 
B)  beta rays 
C)  gamma rays 
D)  More than one response is correct. 
A)  alpha rays 
B)  beta rays 
C)  gamma rays 
D)  More than one response is correct.

Question 6

The number of neutrons in the nucleus of the isotope  
Is _____ .

Accepted Answer

A)  11 
B)  22 
C)  12 
D)  32 
A)  11 
B)  22 
C)  12 
D)  32

Question 7

Which of the following are made up of particles identical to electrons?

Accepted Answer

A)  alpha rays 
B)  beta rays 
C)  gamma rays 
D)  more than one response is correct 
A)  alpha rays 
B)  beta rays 
C)  gamma rays 
D)  more than one response is correct

Question 8

Consider the figure below.Which form of emitted radiation would follow the path shown by the arrow labeled 2?

Accepted Answer

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

Question 9

Which technique of medical investigation presents no ionizing radiation risk to the patient?

Accepted Answer

A)  X-ray 
B)  CAT scan 
C)  MRI 
D)  all of them 
A)  X-ray 
B)  CAT scan 
C)  MRI 
D)  all of them

Question 10

What is one of the advantages of food that has been irradiated to kill bacteria?

Accepted Answer

A)  Some irradiated foods do not require refrigeration if in air-tight packaging. 
B)  Irradiation is a less expensive method of preservation than is canning. 
C)  Irradiation has the effect of changing the color from dull colors to vibrant colors which makes the food much more pleasing. 
D)  All of these responses are correct. 
A)  Some irradiated foods do not require refrigeration if in air-tight packaging. 
B)  Irradiation is a less expensive method of preservation than is canning. 
C)  Irradiation has the effect of changing the color from dull colors to vibrant colors which makes the food much more pleasing. 
D)  All of these responses are correct.

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

Which of the following types of radiation is composed of particles which carry a negative charge?

Accepted Answer

A)  alpha 
B)  beta 
C)  gamma 
D)  positron 
A)  alpha 
B)  beta 
C)  gamma 
D)  positron

Question 13

Consider the figure below.Which form of emitted radiation would follow the path shown by the arrow labeled 3?

Accepted Answer

A)  ($\alpha$) 
B)  ($\beta$-) 
C)  ($\gamma$) 
D)  n 
A)  ($\alpha$) 
B)  ($\beta$-) 
C)  ($\gamma$) 
D)  n

Question 14

Which of the following would be the correct symbol for an americium-243 nucleus using the  
Symbolism?

Accepted Answer

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

Question 15

Increased distance between the organism and the radiation source reduces the effect of radiation.

Accepted Answer

A) True 
 B)False

Question 16

The elements beyond uranium,the trans-uranium elements,are all synthetic.

Accepted Answer

A) True 
 B)False

Question 17

Which of the emissions can be the cause of radiation sickness?

Accepted Answer

A)  ($\alpha$ particles) 
B)  ($\beta$ particles) 
C)  neutrons 
D)  all of them 
A)  ($\alpha$ particles) 
B)  ($\beta$ particles) 
C)  neutrons 
D)  all of them

Question 18

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 19

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 20

History's first critical chain reaction took place in an atomic pile.The neutrons from fission reactions caused other fission reactions to occur.What would be the most effective method to stop the fission reaction from proceeding?

Accepted Answer

A)  throw water on the pile to cool the reaction 
B)  add more neutrons to the reaction 
C)  place strong neutron absorbers into the pile 
D)  none of the choices 
A)  throw water on the pile to cool the reaction 
B)  add more neutrons to the reaction 
C)  place strong neutron absorbers into the pile 
D)  none of the choices

Exam 10: Radioactivity and Nuclear Processes

The intensity of radiation is 100 units 15 feet from the source.The intensity would then be 300 units 5 feet from the source.

A dose of 600 rem is nearly always fatal.

Which of the following is a physical measurement of radioactivity?

The decay of To Occurs through the emission of

Which of the following is not attracted or repelled by electrical charges?

The number of neutrons in the nucleus of the isotope Is _____ .

Which of the following are made up of particles identical to electrons?

Consider the figure below.Which form of emitted radiation would follow the path shown by the arrow labeled 2?

Which technique of medical investigation presents no ionizing radiation risk to the patient?

What is one of the advantages of food that has been irradiated to kill bacteria?

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

Which of the following types of radiation is composed of particles which carry a negative charge?

Consider the figure below.Which form of emitted radiation would follow the path shown by the arrow labeled 3?

Which of the following would be the correct symbol for an americium-243 nucleus using the Symbolism?

Increased distance between the organism and the radiation source reduces the effect of radiation.

The elements beyond uranium,the trans-uranium elements,are all synthetic.

Which of the emissions can be the cause of radiation sickness?

Which of the nuclear emissions is of the greatest mass?

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

History's first critical chain reaction took place in an atomic pile.The neutrons from fission reactions caused other fission reactions to occur.What would be the most effective method to stop the fission reaction from proceeding?

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