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OST14N01 Med Terms II > CH 20 Radiology > Flashcards

CH 20 Radiology Flashcards

1
Q

DIagnostic x-ray procedure whereby a cross sectional image of a secific body segment is produced. Can produce 3D images.

A

Computed Tomography (CT) Scan

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2
Q

Radio plaque materials (contrast media) are injected to obtain contrast between tissues that would be indistinguishable from one another.

A

contrast studies

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3
Q

Machine to detect gamma rays emitted from radiopharmaceuticals during scanning for diagnostic purposes.

A

gamma camera

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4
Q

High-energy rays emitted by radioactive substance to loose half its radioactivity by disintegration

A

half-life

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5
Q

Theraputic or diagnostiv procedures performed by a radiologist.

A

interventional radiology

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6
Q

Process, test, or procedure is performed, measured of observed outisde a living organism, often in a test tube.

A

in vitro

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7
Q

Process, test, or procedure is perfored, measured or observed within a living organism.

A

in vivo

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8
Q

Transformation of electrically neutral substances into electrically charged particles, X-rays cause ionization of particles within tissues.

A

ionization

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9
Q

Magnetic Resonance Imaging (MRI)

A

MAgnetic feild and radio waves produce saggital, coronal, and axial images of the body.

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10
Q

Medical speciality that uses radioactive substances (radionuclides) in the diagnosis and treatment of disease.

A

nuclear medicine

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11
Q

Positron-emitting radio-active substances given intraveniously create a cross-sectional image of cellular metabolism based o local concentration of the radioactive substance. PET scans give information about metabloic activity.

A

Positron Emission Tomography (PET)

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12
Q

Test combines radio active chemical and antibodies to detect minute quantities of substances in a patients blood.

A

radioimmunoassay

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13
Q

Radioactive form of an element substance; radioneuclide.

A

radioscope

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14
Q

Radiopharmaceutical;used in nuclear medicine studies.

A

radiolabeled compound

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15
Q

Medical specialty concerned with the study of x-rays and their use in the diagnosis of disease.

A

Diagnostic Radiology (Radiology)

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16
Q

Permitting the passage of x-rays. Appear black on x-ray images.

A

Radiolucent

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17
Q

Radioactive form of an element that gives off energy in the form of radiation; radioisotope.

A

radionuclide

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18
Q

Obstructing the passage of x-rays. Appear white on the x-ray image.

A

radiopaque

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19
Q

Radioactive drug that is administered safely for diagnostic and theraputic purposes.

A

radiopharmaceutical

20
Q

Image of an are, organ or tissue of the body obtained from ultrasonography, radioactive tracer studies, computed tomography, or magnetic resonance imaging.

A

scan

21
Q

Diagnostic nuclear medicine test using radiopharmaceuticals and gamma cameras to create images

A

scintigraphy

22
Q

Radioactive tracer is injected intravenously and a computer reconstructs a 3D image based on a composite of many views.

A

Single Photon Emission Computed Tomography (SPECT)

23
Q

Attaching a radionuclide to a chemical and following its path in the body.

A

tagging

24
Q

Radionuclides are used as tags, or labels, attached to chemicals and followed as they travel through the body.

A

tracer studies

25
Q

Diagnostic technique that projects and retrives high-frequency sound waves as the echo off parts of the body.

A

Ultrasonography (US)

26
Q

Handheld device that sends and recieves ultrasound signals.

A

ultrasound transducer

27
Q

Rate of absorption of a radionuclide into an organ or tissue.

A

uptake

28
Q

Consists of two scans: a ventilation scan performed using a inhaled radiopharmaceutical and a perfusion scan using an intravenously injected radiopharmaceutical. Used to evaluate for pulmonary embolism.

A

Ventilation-Perfusion Study (V/Q Scan)

29
Q

is/o

A

same

30
Q

pharmaceut/o

A

drug

31
Q

radi/o

A

x-rays

32
Q

son/o

A

sound

33
Q

therapeut/o

A

treatment

34
Q

vitr/o

A

in glass

35
Q

viv/o

A

life

36
Q

-gram

A

record

37
Q

-graphy

A

process of recording

38
Q

-lucent

A

to shine

39
Q

-opaque

A

obscure

40
Q

echo-

A

a repeated sound

41
Q

ultra-

A

beyond

42
Q

X-ray imaging after injection of contrast into bile ducts.

A

Cholengiography

43
Q

X-ray image of blood vessels and heart chambers is obtained after contrast is injected through a catheter into appropriate blood vessel or heart chamber.

A

Angiography

44
Q

X-ray image of contrast-injected blood vessels is produced by taking two x-ray pictures (the first without contrast) and using a computer to subtract obscuring shadows from the second image.

A

Digital Subtraction Angiography (DSA)

45
Q

X-ray record of the endometrial cavity and fallopian tubes is obtained after injection of contrast material through the vagina and into the endocervical canal.

A

Hysterosaplingography

46
Q

X-ray imaging of the spinal cord after injection of contrast agent into the subarachnoid space in the spinal cord.

A

Myleography

47
Q

X-ray imaging of the renal pelvis and the urinary tract.

A

Pyelography

OST14N01 Med Terms II (11 decks)

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