Question 1

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

Accepted Answer

A)   
B)   
C)   
D)   E) A) and B)
F) B) and C)

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

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)  remE) None of the above
F) A) and C)

Question 4

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

Accepted Answer

A)   
B)   
C)   
D)   E) None of the above
F) All of the above

Question 5

Consider the figure below.Which form of emitted radiation would follow the path shown by the arrow labeled 1?  -  C)   \gamma   D)   \beta  +   " class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  " α\alphaα "
B)  " β\betaβ -"
C)  " γ\gammaγ "
D)  " β\betaβ  + " E) A) and C)
F) All of the above

Question 6

Ionizing radiation produced fee radicals in living tissue.

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

A)  alpha
B)  beta
C)  X-ray
D)  none of themE) B) and C)
F) A) and B)

Question 8

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 nucleiE) B) and D)
F) B) and C)

Question 9

Which of the nuclear emissions is of the greatest mass?

Accepted Answer

A)  " α\alphaα  particles"
B)  " β\betaβ  particles"
C)  "neutrons"
D)  "positrons" E) A) and D)
F) C) and D)

Question 10

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 litersE) All of the above
F) A) and B)

Question 11

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

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.E) A) and B)
F) B) and D)

Question 13

One of the symbols for a beta particle is  .

Accepted Answer

A) True 
 B)False

Question 14

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 neutronsE) B) and D)
F) None of the above

Question 15

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)  " α\alphaα particles
B)  " β\betaβ  particles"
C)  "neutrons"
D)  " γ\gammaγ  rays" E) A) and B)
F) B) and C)

Question 16

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)  LaE) None of the above
F) All of the above

Question 17

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.E) A) and D)
F) A) and C)

Question 18

Which emissions can be detected by a film badge?

Accepted Answer

A)  X-rays
B)  gamma
C)  beta
D)  all are detectedE) All of the above
F) A) and B)

Question 19

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 elementE) All of the above
F) A) and C)

Question 20

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.E) A) and D)
F) A) and C)

Exam 10: Radioactivity and Nuclear Processes

Which of the nuclear emissions is of the greatest mass?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Ionizing radiation produced fee radicals in living tissue.

Correct Answer
verified

Correct Answer
verified

Which emissions can be detected by a film badge?

Correct Answer
verified

One of the symbols for a beta particle is .

Correct Answer
verified

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?

Correct Answer
verified

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

Correct Answer
verified

Consider the figure below.Which form of emitted radiation would follow the path shown by the arrow labeled 1? $Consider the figure below.Which form of emitted radiation would follow the path shown by the arrow labeled 1? A) \alpha B) \beta <sup>-</sup> C) \gamma D) \beta <sup>+</sup>$

Correct Answer
verified

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

Correct Answer
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Correct Answer
verified

What is the nuclear composition of ?

Correct Answer
verified

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?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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?

Correct Answer
verified

Correct Answer
verified

Exam 10: Radioactivity and Nuclear Processes

Which of the nuclear emissions is of the greatest mass?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Ionizing radiation produced fee radicals in living tissue.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which emissions can be detected by a film badge?

Correct AnswerverifiedShow Answer

One of the symbols for a beta particle is .

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

What is the nuclear composition of ?

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

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Consider the figure below.Which form of emitted radiation would follow the path shown by the arrow labeled 1? $Consider the figure below.Which form of emitted radiation would follow the path shown by the arrow labeled 1? A) \alpha B) \beta <sup>-</sup> C) \gamma D) \beta <sup>+</sup>$

Correct Answer
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Correct Answer
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