Question 1

The retractable imaging device used to produce a digital image that is displayed immediately is called:

Accepted Answer

A)  CyberKnife. 
B)  image-guided radiation therapy (IGRT). 
C)  electronic portal imaging devices (EPIDs). 
D)  tomotherapy. 
A)  CyberKnife. 
B)  image-guided radiation therapy (IGRT). 
C)  electronic portal imaging devices (EPIDs). 
D)  tomotherapy. C

Question 2

Radiation oncology may be used in conjunction with:
1)surgery.
2)chemotherapy.
3)angiography.

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 A

Question 3

Gamma knife is primarily used to treat small benign or malignant lesions located in the:

Accepted Answer

A)  abdomen. 
B)  breast. 
C)  brain. 
D)  prostate. 
A)  abdomen. 
B)  breast. 
C)  brain. 
D)  prostate. C

Question 4

The most common cancers that occur in the United States are:
1)prostate.
2)lymph.
3)lung.

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3

Question 5

One way to treat cancer but minimize the toxic effects of radiation is to use:

Accepted Answer

A)  fractionation. 
B)  differentiation. 
C)  palliation. 
D)  conformal radiation. 
A)  fractionation. 
B)  differentiation. 
C)  palliation. 
D)  conformal radiation.

Question 6

Intensity-modulated radiation therapy (IMRT) uses:

Accepted Answer

A)  radioactive isotopes. 
B)  multileaf collimators. 
C)  cerrobend blocks. 
D)  permanent implants. 
A)  radioactive isotopes. 
B)  multileaf collimators. 
C)  cerrobend blocks. 
D)  permanent implants.

Question 7

The basic principle of cancer treatment with radiation is that radiation:

Accepted Answer

A)  stimulates cancer cells to grow. 
B)  damages cancer cells but stimulates normal cells. 
C)  damages cancer cells and normal cells equally. 
D)  usually damages cancer cells more than normal cells. 
A)  stimulates cancer cells to grow. 
B)  damages cancer cells but stimulates normal cells. 
C)  damages cancer cells and normal cells equally. 
D)  usually damages cancer cells more than normal cells.

Question 8

The linac can produce a beam of electrons of varying energies when:

Accepted Answer

A)  filtration is changed. 
B)  the target is removed. 
C)  IMRT is used. 
D)  simulation is required. 
A)  filtration is changed. 
B)  the target is removed. 
C)  IMRT is used. 
D)  simulation is required.

Question 9

Cancer can spread or metastasize by invading:

Accepted Answer

A)  adjacent tissue. 
B)  normal tissue. 
C)  blood vessels. 
D)  anywhere close. 
A)  adjacent tissue. 
B)  normal tissue. 
C)  blood vessels. 
D)  anywhere close.

Question 10

The technique that uses radioactive material placed within the patient is called:

Accepted Answer

A)  brachytherapy. 
B)  simulation. 
C)  dosimetry. 
D)  linear energy transfer. 
A)  brachytherapy. 
B)  simulation. 
C)  dosimetry. 
D)  linear energy transfer.

Question 11

Port films are taken to:

Accepted Answer

A)  verify location. 
B)  make blocks. 
C)  calculate dose. 
D)  see the tumor. 
A)  verify location. 
B)  make blocks. 
C)  calculate dose. 
D)  see the tumor.

Question 12

The majority of cancers arise from the epithelium and are classified as:

Accepted Answer

A)  sarcomas. 
B)  lymphomas. 
C)  myelomas. 
D)  carcinomas. 
A)  sarcomas. 
B)  lymphomas. 
C)  myelomas. 
D)  carcinomas.

Question 13

The goal of radiation oncology is to:

Accepted Answer

A)  destroy all tissue in the portion of the body where the cancer is located. 
B)  deliver a cancericidal dose to the tumor but limit the dose to normal tissue. 
C)  limit dose to the cancer and normal tissue to avoid toxicity. 
D)  deliver a large dose all at once to the cancer. 
A)  destroy all tissue in the portion of the body where the cancer is located. 
B)  deliver a cancericidal dose to the tumor but limit the dose to normal tissue. 
C)  limit dose to the cancer and normal tissue to avoid toxicity. 
D)  deliver a large dose all at once to the cancer.

Question 14

The most common machine used to deliver external-beam therapy is the:

Accepted Answer

A)  linear accelerator. 
B)  betatron. 
C)  cobalt-60 unit. 
D)  orthovoltage. 
A)  linear accelerator. 
B)  betatron. 
C)  cobalt-60 unit. 
D)  orthovoltage.

Question 15

The method that is used to determine the volume of tissue that must be included in the radiation field is called:

Accepted Answer

A)  brachytherapy. 
B)  simulation. 
C)  dosimetry. 
D)  linear energy transfer. 
A)  brachytherapy. 
B)  simulation. 
C)  dosimetry. 
D)  linear energy transfer.

Question 16

Radiation has more effect on cancer cells because _____ than normal cells.

Accepted Answer

A)  they are more highly differentiated 
B)  a greater percentage of these cells are undergoing mitosis 
C)  cancer cells undergo more direct interactions 
D)  it interacts more readily with cancer cells 
A)  they are more highly differentiated 
B)  a greater percentage of these cells are undergoing mitosis 
C)  cancer cells undergo more direct interactions 
D)  it interacts more readily with cancer cells

Question 17

Tomotherapy combines the principles of:
1)helical CT.
2)stereotaxis.
3)6 MV linear accelerator.

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, 3 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, 3

Question 18

The accurate calculation and measurement of radiation dose for treatment of a therapy patient is referred to as:

Accepted Answer

A)  brachytherapy. 
B)  simulation. 
C)  dosimetry. 
D)  linear energy transfer. 
A)  brachytherapy. 
B)  simulation. 
C)  dosimetry. 
D)  linear energy transfer.

Question 19

Treatment that is designed to deliver radiation to the exact target volume is called:

Accepted Answer

A)  fractionation. 
B)  differentiation. 
C)  palliation. 
D)  conformal radiation. 
A)  fractionation. 
B)  differentiation. 
C)  palliation. 
D)  conformal radiation.

Question 20

_____ is done to relieve symptoms, not to cure.

Accepted Answer

A)  Fractionation 
B)  Differentiation 
C)  Palliation 
D)  Conformal radiation 
A)  Fractionation 
B)  Differentiation 
C)  Palliation 
D)  Conformal radiation

Exam 34: Radiation Oncology

The retractable imaging device used to produce a digital image that is displayed immediately is called:

Radiation oncology may be used in conjunction with: 1)surgery. 2)chemotherapy. 3)angiography.

Gamma knife is primarily used to treat small benign or malignant lesions located in the:

The most common cancers that occur in the United States are: 1)prostate. 2)lymph. 3)lung.

One way to treat cancer but minimize the toxic effects of radiation is to use:

Intensity-modulated radiation therapy (IMRT) uses:

The basic principle of cancer treatment with radiation is that radiation:

The linac can produce a beam of electrons of varying energies when:

Cancer can spread or metastasize by invading:

The technique that uses radioactive material placed within the patient is called:

Port films are taken to:

The majority of cancers arise from the epithelium and are classified as:

The goal of radiation oncology is to:

The most common machine used to deliver external-beam therapy is the:

The method that is used to determine the volume of tissue that must be included in the radiation field is called:

Radiation has more effect on cancer cells because _____ than normal cells.

Tomotherapy combines the principles of: 1)helical CT. 2)stereotaxis. 3)6 MV linear accelerator.

The accurate calculation and measurement of radiation dose for treatment of a therapy patient is referred to as:

Treatment that is designed to deliver radiation to the exact target volume is called:

_____ is done to relieve symptoms, not to cure.

Preliminary Steps in Radiography

Compensating Filters

General Anatomy and Radiographic Positioning Terminology

Upper Limb

Shoulder Girdle

Lower Limb

Pelvis and Upper Femora

Vertebral Column

Bony Thorax

Thoracic Viscera

Long Bone Measurement

Contrast Arthrography

Trauma Radiography

Mouth and Salivary Glands

Anterior Part of Neck

Abdomen

Digestive System: Alimentary Canal

Urinary System and Venipuncture

Reproductive System

Skull, Facial Bones, and Paranasal Sinuses

Mammography

Central Nervous System

Vascular, Cardiac, and Interventional Radiography

Pediatric Imaging

Geriatric Radiography

Mobile Radiography

Surgical Radiography

Sectional Anatomy for Radiographers

Computed Tomography

Magnetic Resonance Imaging

Diagnostic Ultrasound

Nuclear Medicine

Bone Densitometry

Filters