Question 1

The location of origin of the MR signal within the patient is determined by:

Accepted Answer

A)  TE (time-to-echo). 
B)  relaxation time. 
C)  frequency of MR signal. 
D)  wavelength of MR signal. 
A)  TE (time-to-echo). 
B)  relaxation time. 
C)  frequency of MR signal. 
D)  wavelength of MR signal.

Question 2

Which of the following factors does NOT contribute to the signal strength emitted from the tissues?

Accepted Answer

A)  Spin density 
B)  T1 relaxation time 
C)  T2 relaxation time 
D)  Atomic number 
A)  Spin density 
B)  T1 relaxation time 
C)  T2 relaxation time 
D)  Atomic number

Question 3

Direct digital mammography produces better contrast resolution over analog imaging.

Accepted Answer

A) True 
 B)False

Question 4

Oxygen tanks and wheelchairs must not be allowed within the ____-gauss line.

Accepted Answer

A)  5 
B)  2.5 
C)  10 
D)  50 
A)  5 
B)  2.5 
C)  10 
D)  50

Question 5

Air will not be visualized on either T1- or T2-weighted images.

Accepted Answer

A) True 
 B)False

Question 6

The type of radiation therapy that uses multiple beams of radiation to three-dimensionally target a tumor is termed:

Accepted Answer

A)  intraoperative radiation therapy. 
B)  brachytherapy. 
C)  palliative therapy. 
D)  stereotactic radiosurgery. 
A)  intraoperative radiation therapy. 
B)  brachytherapy. 
C)  palliative therapy. 
D)  stereotactic radiosurgery.

Question 7

PET is an acronym for positron:

Accepted Answer

A)  emission tomography. 
B)  emission technique. 
C)  energy tomography. 
D)  energy targeting. 
A)  emission tomography. 
B)  emission technique. 
C)  energy tomography. 
D)  energy targeting.

Question 8

Often,the gamma camera in nuclear medicine systems is coupled with ____ to provide both an anatomic and functional study of the body.

Accepted Answer

A)  functional MRI 
B)  sonography 
C)  CT 
D)  SPECT 
A)  functional MRI 
B)  sonography 
C)  CT 
D)  SPECT

Question 9

How is the breast positioned for the mediolateral oblique projection?

Accepted Answer

A)  Drawn anterior and medial away from chest wall 
B)  Drawn posterior and lateral away from chest wall 
C)  Drawn inferior and medial toward the chest wall 
D)  Drawn anterior and lateral away from the chest wall 
A)  Drawn anterior and medial away from chest wall 
B)  Drawn posterior and lateral away from chest wall 
C)  Drawn inferior and medial toward the chest wall 
D)  Drawn anterior and lateral away from the chest wall

Question 10

Sonography uses high-frequency sound waves in the range of _____ MHz.

Accepted Answer

A)  1 to 3 
B)  1 to 10 
C)  1 to 20 
D)  25 to 40 
A)  1 to 3 
B)  1 to 10 
C)  1 to 20 
D)  25 to 40

Question 11

Reproducibility as applied for DXA systems is also termed:

Accepted Answer

A)  quality assessment. 
B)  system reliability. 
C)  accuracy. 
D)  precision. 
A)  quality assessment. 
B)  system reliability. 
C)  accuracy. 
D)  precision.

Question 12

Match each definition with the correct term.(Use each choice only once.)
-The distance between the corresponding points on an ultrasound wave

Accepted Answer

A) Backscatter 
B) Hypoechoic 
C) Velocity of sound 
D) Wavelength 
E) Anechoic
F)Doppler effect 
A) Backscatter 
B) Hypoechoic 
C) Velocity of sound 
D) Wavelength 
E) Anechoic
F)Doppler effect

Question 13

A tumor growing from nerve cells and fibers that involve the sense of hearing is termed:

Accepted Answer

A)  acoustic schwannoma. 
B)  chordoma. 
C)  acoustic neuroma. 
D)  glial cell neuroma. 
A)  acoustic schwannoma. 
B)  chordoma. 
C)  acoustic neuroma. 
D)  glial cell neuroma.

Question 14

Why can AEC not be used for mammography of a breast with an implant?

Accepted Answer

A)  The image will be overexposed. 
B)  The image will be underexposed. 
C)  AEC provides greater patient dose as compared with manual techniques. 
D)  This statement is false; AEC should be used for all studies including implants. 
A)  The image will be overexposed. 
B)  The image will be underexposed. 
C)  AEC provides greater patient dose as compared with manual techniques. 
D)  This statement is false; AEC should be used for all studies including implants.

Question 15

Match each definition with the correct term.(Use each choice only once.)
-The rate at which sound displaces through a particular medium

Accepted Answer

A) Backscatter 
B) Hypoechoic 
C) Velocity of sound 
D) Wavelength 
E) Anechoic
F)Doppler effect 
A) Backscatter 
B) Hypoechoic 
C) Velocity of sound 
D) Wavelength 
E) Anechoic
F)Doppler effect

Question 16

What is the name of the device that captures the remnant radiation and produces the digital image with direct digital mammography?

Accepted Answer

A)  Charged couple device (CC
D)  
B)  Change to "computed radiography cassette" (CRT) 
C)  Flat panel detector 
D)  Photocathode 
A)  Charged couple device (CC
D)  
B)  Change to "computed radiography cassette" (CRT) 
C)  Flat panel detector 
D)  Photocathode

Question 17

A hyper thyroid with a higher uptake of radiopharmaceutical may indicate:

Accepted Answer

A)  Graves' disease. 
B)  iodine dependent thyroid. 
C)  multiple thyroid nodule. 
D)  thyroiditis. 
A)  Graves' disease. 
B)  iodine dependent thyroid. 
C)  multiple thyroid nodule. 
D)  thyroiditis.

Question 18

One tesla equals _____ gauss.

Accepted Answer

A)  0.0005 
B)  2 
C)  100 
D)  10,000 
A)  0.0005 
B)  2 
C)  100 
D)  10,000

Question 19

Which one of the following PET tracer compounds is used to measure glucose metabolism within tissues?

Accepted Answer

A)  11C-methionine 
B)  13N-ammonia 
C)  15O-water 
D)  18F-FDG 
A)  11C-methionine 
B)  13N-ammonia 
C)  15O-water 
D)  18F-FDG

Question 20

The U.S.Mammography Quality Standards Act (MQSA)of October 1994 requires that:

Accepted Answer

A)  all mammograms be performed with film-screen systems with less than a 2% repeat rate. 
B)  patient skin dose be reduced to less than 200 mrad per projection as monitored by the DHHS (Department of Health and Human Services). 
C)  all sites (except VA facilities) meet quality standards and be certified by the DHHS. 
D)  all women older than age 40 have a screening mammogram. 
A)  all mammograms be performed with film-screen systems with less than a 2% repeat rate. 
B)  patient skin dose be reduced to less than 200 mrad per projection as monitored by the DHHS (Department of Health and Human Services). 
C)  all sites (except VA facilities) meet quality standards and be certified by the DHHS. 
D)  all women older than age 40 have a screening mammogram.

The location of origin of the MR signal within the patient is determined by:

Which of the following factors does NOT contribute to the signal strength emitted from the tissues?

Direct digital mammography produces better contrast resolution over analog imaging.

Oxygen tanks and wheelchairs must not be allowed within the ____-gauss line.

Air will not be visualized on either T1- or T2-weighted images.

The type of radiation therapy that uses multiple beams of radiation to three-dimensionally target a tumor is termed:

PET is an acronym for positron:

Often,the gamma camera in nuclear medicine systems is coupled with ____ to provide both an anatomic and functional study of the body.

How is the breast positioned for the mediolateral oblique projection?

Sonography uses high-frequency sound waves in the range of _____ MHz.

Reproducibility as applied for DXA systems is also termed:

Match each definition with the correct term.(Use each choice only once.) -The distance between the corresponding points on an ultrasound wave

A tumor growing from nerve cells and fibers that involve the sense of hearing is termed:

Why can AEC not be used for mammography of a breast with an implant?

Match each definition with the correct term.(Use each choice only once.) -The rate at which sound displaces through a particular medium

What is the name of the device that captures the remnant radiation and produces the digital image with direct digital mammography?

A hyper thyroid with a higher uptake of radiopharmaceutical may indicate:

One tesla equals _____ gauss.

Which one of the following PET tracer compounds is used to measure glucose metabolism within tissues?

The U.S.Mammography Quality Standards Act (MQSA)of October 1994 requires that:

Terminology, Positioning, and Imaging Principles

Chest

Abdomen

Upper Limb

Humerus and Shoulder Girdle

Lower Limb

Femur and Pelvic Girdle

Cervical and Thoracic Spine

Lumbar Spine, Sacrum, and Coccyx

Bony Thorax-Sternum and Ribs

Cranium, Facial Bones, and Paranasal Sinuses

Biliary Tract and Upper Gastrointestinal System

Lower Gastrointestinal System

Urinary System and Venipuncture

Trauma, Mobile, and Surgical Radiography

Pediatric Radiography

Angiography and Interventional Procedures

Computed Tomography

Special Radiographic Procedures

Filters

Exam 20: Diagnostic and Therapeutic Modalities

The location of origin of the MR signal within the patient is determined by:

Which of the following factors does NOT contribute to the signal strength emitted from the tissues?

Direct digital mammography produces better contrast resolution over analog imaging.

Oxygen tanks and wheelchairs must not be allowed within the ____-gauss line.

Air will not be visualized on either T1- or T2-weighted images.

The type of radiation therapy that uses multiple beams of radiation to three-dimensionally target a tumor is termed:

PET is an acronym for positron:

Often,the gamma camera in nuclear medicine systems is coupled with ____ to provide both an anatomic and functional study of the body.

How is the breast positioned for the mediolateral oblique projection?

Sonography uses high-frequency sound waves in the range of _____ MHz.

Reproducibility as applied for DXA systems is also termed:

Match each definition with the correct term.(Use each choice only once.) -The distance between the corresponding points on an ultrasound wave

A tumor growing from nerve cells and fibers that involve the sense of hearing is termed:

Why can AEC not be used for mammography of a breast with an implant?

Match each definition with the correct term.(Use each choice only once.) -The rate at which sound displaces through a particular medium

What is the name of the device that captures the remnant radiation and produces the digital image with direct digital mammography?

A hyper thyroid with a higher uptake of radiopharmaceutical may indicate:

One tesla equals _____ gauss.

Which one of the following PET tracer compounds is used to measure glucose metabolism within tissues?

The U.S.Mammography Quality Standards Act (MQSA)of October 1994 requires that:

Terminology, Positioning, and Imaging Principles

Chest

Abdomen

Upper Limb

Humerus and Shoulder Girdle

Lower Limb

Femur and Pelvic Girdle

Cervical and Thoracic Spine

Lumbar Spine, Sacrum, and Coccyx

Bony Thorax-Sternum and Ribs

Cranium, Facial Bones, and Paranasal Sinuses

Biliary Tract and Upper Gastrointestinal System

Lower Gastrointestinal System

Urinary System and Venipuncture

Trauma, Mobile, and Surgical Radiography

Pediatric Radiography

Angiography and Interventional Procedures

Computed Tomography

Special Radiographic Procedures

Filters