Chapter 20

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What is medical speciality that studies the characteristics and used of radioactive substances in diagnosis of disease?
a. radiology
b. nuclear medicine
c. radiation oncology

b. nuclear medicine

What does a radiologist do?
a. treats malignancy with radiation
b. aid a physician in administering x-ray procedures
c. specializes in the practice of administering diagnostic nuclear medicine procedures
d. specializes diagnosis techniques such as ultrasound, MRI, and CT scans

d. specializes diagnosis techniques such as ultrasound, MRI, and CT scans

Which of the following is true of a radiopaque substance?
a. absorbs most of the x-rays it is exposed to
b. lung tissue is an example
c. is an air-containing structure
d. permits the passage of most x-rays

a. absorbs most of the x-rays it is exposed to

Which best describes a barium enema?
a. iodine compound is given and x-rays are taken of the intestinal tract
b. a fluorescent screen to used instead of a photographic plate to visualize images
c. metallic powder is introduced to the large intestine and x-rays are taken
d. radioactive substance is given and x-rays are taken

c. metallis powder is introduced to the large intestine and x-rays are taken

X-ray of the renal pelvis and urinary tract after injecting dye into a vein
a. Venogram
b. IVP
c. RP
d. Intravenous cholangiogram

b. IVP

Myelogram
a. x-ray of lymphatic vessels
b. x-ray of muscle
c. x-ray of the bone marrow
d. x-ray of the spinal cord

d. x-ray of the spinal cord

Which is an x-ray of a joint?
a. Pneumoencephalogram
b. arthroscopy
c. arthrogram
d. digital subtraction angiography

c. artrogram

Which term describes an x-ray test to show an organ in depth?
a. lymphoscintigraphy
b. tomography
c. ultrasonography
d. arteriography

b. tomography

What best characterizes a CT scan?
a. uses radioactive substances to produce an x-ray image
b. gives a vertical front-to-back image of the body organ
c. magnetic and radio waves are used to create image
d. uses ionizing x-rays and a computer to produce a transverse image of the body organs

d. uses ionizing x-rays and a computer to produce a transverse image of the body organs

What best characterizes an MRI?
a. sagittal, frontal, and cross-sectional images are produced using magnetic and radio waves
b. Sound images are produced in addition to magnetic images
c. x-rays and a contrast medium are used
d. radioactive matter enhance x-rays

a. sagittal, frontal, and cross-sectional images are produced using magnetic and radio waves

In which x-ray view is the patient upright with thw back to the x-ray machine and the film to the chest?
a. oblique x ray view
b. lateral x ray view
c. AP view
d. PA view

d. PA view

What is the meaning of adduction?
a. bending part of the body
b. moving part of the body toward the midline of the body
c. moving the part away from the midline
d. turning inward

b. moving part if the body toward the midline

What is a substance that gives off high-energy particles or rays?
a. scintillation scanner
b. half-life
c. barium
d. radioisotope

d. radioisotope

What is an vivo test?
a. experiment are performed in a laboratory
b. radiopharmaceuticals are used
c. radionuclide is incorporated into a chemical substance
d. experiments are performed in a living organism

d. experiments are performed in a living organism

In which test is a radiopharmaceutical injected intravenously and traced within the vessels of the lung?
a. chest x-ray of the lung
b. CT scan of the thoracic cavity
c. perfusion study of the lung
d. ventilation scan of the lung

c. perfusion study of the lung

What can liver and spleen scans detect?
a. cirrhosis and splenomegaly due to abscess or tumor
b. blood flow through the heart and large vessels
c. areas of metabolic deficiency in the brain
d. thyroid carcinoma

a. cirrhosis and splenomegaly due to abscess or tumor

interventional radiologist perform all of the following except
a. administration of radiation therapy
b. placement of drainage catheters
c. occlusion of bleeding vessels
d. instillation of antibiotics or chemotherapy via catheters

a. administration of radiation therapy

What is thallium-201?
a. gamma camera
b. contrast material
c. fluorescent material
d. radionuclide

d. radionuclide

In which procedure is a transducer used?
a. MRI
b. ultrasound
c. bone scan
d. CT scan

b. ultrasound

PACS is a
a. Radiopharmaceutical used in a PET scan
b. protocol for transmission between imaging devices
c. technique using a radioactive substance and a computer to create 3D images
d. system to replace traditional films with digital equivalents

d. system to replace traditional films with digital equivalents

FDG is a
a. Radiopharmaceutical used in a PET scan
b. protocol for transmission between imaging devices
c. technique using a radioactive substance and a computer to create 3D images
d. system to replace traditional films with digital equivalents

a. Radiopharmaceutical used in a PET scan

DICOM is a
a. Radiopharmaceutical used in a PET scan
b. protocol for transmission between imaging devices
c. technique using a radioactive substance and a computer to create 3D images
d. system to replace traditional films with digital equivalents

b. protocol for transmission between imaging devices

SPECT is a
a. Radiopharmaceutical used in a PET scan
b. protocol for transmission between imaging devices
c. technique using a radioactive substance and a computer to create 3D images
d. system to replace traditional films with digital equivalents

c. technique using a radioactive substance and a computer to create 3D images

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