Question 1

Gamma rays require the heaviest shielding of all the common types of nuclear radiation because gamma rays have the

Accepted Answer

A) highest energy. 
B) most intense color. 
C) lowest energy. 
D) largest particles. 
E) heaviest particles. 
A) highest energy. 
B) most intense color. 
C) lowest energy. 
D) largest particles. 
E) heaviest particles.

Question 2

The common unit of radioactivity which is used to measure the biological damage is the ________.

Accepted Answer

The answer of The common unit of radioactivity which is...

Question 3

Exposure to radiation is unavoidable because some radioactive elements occur naturally.

Accepted Answer

A) True 
 B)False

Question 4

An alpha particle is emitted when Am-241 decays to Np-237.

Accepted Answer

A) True 
 B)False

Question 5

Irradiation of food for sterilization is usually carried out using gamma irradiation.

Accepted Answer

A) True 
 B)False

Question 6

A sample of phosphorus-32 with an activity of 2.0 mCi produces ________ disintegrations per second.(1 Ci = 3.7 × 1010 disintegrations/sec).

Accepted Answer

Question 7

What is the radiation particle used in the bombardment of nitrogen-14? 
  N + ? →   C +   H

Accepted Answer

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

Question 8

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

Question 9

One type of radiation that is not usually used for medical procedures is the cosmic ray.

Accepted Answer

A) True 
 B)False

Question 10

Which is NOT a way to minimize your exposure to radiation?

Accepted Answer

A) wearing a lead apron 
B) keeping a good distance 
C) standing behind a thick concrete wall 
D) wearing lead-lined gloves 
E) staying a longer time 
A) wearing a lead apron 
B) keeping a good distance 
C) standing behind a thick concrete wall 
D) wearing lead-lined gloves 
E) staying a longer time

Question 11

Irradiated food contains small amounts of added radioactive isotopes.

Accepted Answer

A) True 
 B)False

Question 12

The process in which a nucleus spontaneously breaks down by emitting radiation is known as

Accepted Answer

A) transmutation. 
B) transformation. 
C) fusion. 
D) a chain reaction. 
E) radioactive decay. 
A) transmutation. 
B) transformation. 
C) fusion. 
D) a chain reaction. 
E) radioactive decay.

Question 13

The radiation dose required to produce death in one-half of the exposed subject animals is termed the ________.

Accepted Answer

The answer of The radiation dose required to produce death...

Question 14

The nuclear symbol of helium,  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 15

The most widely used medical isotope in nuclear medicine is

Accepted Answer

A) Tc-99m. 
B) I-131. 
C) P-32. 
D) I-125. 
E) Co-60. 
A) Tc-99m. 
B) I-131. 
C) P-32. 
D) I-125. 
E) Co-60.

Question 16

Gamma rays may be detected using

Accepted Answer

A) a Geiger counter. 
B) a film badge. 
C) X-ray film. 
D) all of the above devices. 
E) none of the above devices. 
A) a Geiger counter. 
B) a film badge. 
C) X-ray film. 
D) all of the above devices. 
E) none of the above devices.

Question 17

One symptom of radiation sickness is an increased production of red blood cells.

Accepted Answer

A) True 
 B)False

Question 18

A patient receives 3.0 mL of a solution containing technetium-99m for a breast image. If the activity of the technetium-99m is 9.5 mCi/mL, what is the dose received by the patient?

Accepted Answer

A) 3.2 mCi 
B) 29 mCi 
C) 320 μCi 
D) 9.5 mCi 
E) 28.5 mCi 
A) 3.2 mCi 
B) 29 mCi 
C) 320 μCi 
D) 9.5 mCi 
E) 28.5 mCi

Question 19

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 20

The product from the alpha decay of   U is

Accepted Answer

A)   Np. 
B)   Pu. 
C)   Th. 
D)   Ra. 
E)   U. 
A)   Np. 
B)   Pu. 
C)   Th. 
D)   Ra. 
E)   U.

Exam 5: Nuclear Chemistry

Gamma rays require the heaviest shielding of all the common types of nuclear radiation because gamma rays have the

The common unit of radioactivity which is used to measure the biological damage is the ________.

Exposure to radiation is unavoidable because some radioactive elements occur naturally.

An alpha particle is emitted when Am-241 decays to Np-237.

Irradiation of food for sterilization is usually carried out using gamma irradiation.

A sample of phosphorus-32 with an activity of 2.0 mCi produces ________ disintegrations per second.(1 Ci = 3.7 × 1010 disintegrations/sec).

What is the radiation particle used in the bombardment of nitrogen-14? N + ? → C + H

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

One type of radiation that is not usually used for medical procedures is the cosmic ray.

Which is NOT a way to minimize your exposure to radiation?

Irradiated food contains small amounts of added radioactive isotopes.

The process in which a nucleus spontaneously breaks down by emitting radiation is known as

The radiation dose required to produce death in one-half of the exposed subject animals is termed the ________.

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

The most widely used medical isotope in nuclear medicine is

Gamma rays may be detected using

One symptom of radiation sickness is an increased production of red blood cells.

A patient receives 3.0 mL of a solution containing technetium-99m for a breast image. If the activity of the technetium-99m is 9.5 mCi/mL, what is the dose received by the patient?

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

The product from the alpha decay of U is

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A sample of phosphorus-32 with an activity of 2.0 mCi produces ________ disintegrations per second.(1 Ci = 3.7 × 10¹⁰disintegrations/sec).