Question 1

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. B

Question 2

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. B

Question 3

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 4

The spread of cancer is termed:

Accepted Answer

A)  differentiation. 
B)  palliation. 
C)  metastasis. 
D)  prophylaxis. 
A)  differentiation. 
B)  palliation. 
C)  metastasis. 
D)  prophylaxis.

Question 5

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 6

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 7

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 8

_____ 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

Question 9

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 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

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 12

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.

Question 13

Which member of the radiation therapy team is responsible for developing the treatment plan to irradiate the tumor while protecting surrounding normal tissues?

Accepted Answer

A)  Medical dosimetrist 
B)  Medical physicist 
C)  Radiation therapist 
D)  Radiation oncologist 
A)  Medical dosimetrist 
B)  Medical physicist 
C)  Radiation therapist 
D)  Radiation oncologist

Question 14

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 15

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 16

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 17

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.

Exam 30: Radiation Oncology

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

Intensity-modulated radiation therapy (IMRT)uses:

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

The spread of cancer is termed:

The goal of radiation oncology is to:

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

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

_____ is done to relieve symptoms,not to cure.

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

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

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

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

Which member of the radiation therapy team is responsible for developing the treatment plan to irradiate the tumor while protecting surrounding normal tissues?

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

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

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

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

Preliminary Steps in Radiography

General Anatomy and Radiographic Positioning Terminology

Thoracic Viscera: Chest and Upper Airway

Abdomen

Upper Extremity

Shoulder Girdle

Lower Extremity

Pelvis and Hip

Vertebral Column

Bony Thorax

Cranium

Trauma Radiography

Contrast Arthrography

Myelography and Other Central Nervous System Imaging

Digestive System: Salivary Glands, alimentary Canal, and Biliary System

Urinary System and Venipuncture

Reproductive System

Mammography

Bone Densitometry

Mobile Radiography

Surgical Radiography

Pediatric Imaging

Geriatric Radiography

Sectional Anatomy for Radiographers

Computed Tomography

Magnetic Resonance Imaging

Vascular,cardiac,and Interventional Radiography

Diagnostic Medical Sonography

Nuclear Medicine and Molecular Imaging

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