Intro To Rad FINAL Flashcards

1
Q

Fluoroscopy-

A

Shows dynamics/ internal motion

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2
Q

Static Image-

A

regular diagnostic image

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3
Q

Dynamic image-

A

studies in motion

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4
Q

Radiographer assists radiologists and patient by-(5)

A

-setting up room
-preparing contrast media
-taking scout images
-assisting in procedures
-taking follow up images

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5
Q

R/F system design-

A

-Fluoroscopic tube below table
-image intensifier or flat panel detector above
-tilt 90/15
-patient placed between fluorotube and image intensifier

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6
Q

Spot film-

A

Routine pics they screenshot while doing fluoroscope

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7
Q

C-Arm

A

mobile fluoro unit used in surgery, cath lab, and interventional suites

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8
Q

Radiation Biology-

A

branch of biological science dealing with the effects of ionizing radiation on living organisms

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9
Q

Radiation Sources-

A

-Natural:
<cosmic(sun and stars)
<terrestrial (earth elements uranium)
<Body
-Artificial:
<medical and dental x rays
<manmade products(cellphone,powerlines)

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10
Q

Secondary-

A

produced in atoms of body; byproduct of patient reacting to primary radiation

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11
Q

Exposure Index-

A

amount of radiation your cassette receives.

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12
Q

Quantom Mottle-

A

rough and grainy; doesn’t have enough radiation-low mA

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13
Q

Automatic Rescaling-

A

computer automatically gives you brightness and contrast for good image; bad though since you don’t know if too much IR exposure

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14
Q

Window Width-

A

contrast (gray scale) an advantage of digital it can be manipulated.

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15
Q

Window level-

A

brightness; an advantage of digital can be manipulated

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16
Q

3 Cardinal Principles of Radiation Protection-

A
  • Minimize time
    -Maximize distance
    -maximize shielding
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17
Q

Dosimeter Monitors-

A

keep track of your radiation exposure; Do not protect you!

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18
Q

Dose equivalent unit-

A

-in technologist
REM, Sievert Sr(SI)

19
Q

Absorbed dose unit-

A

-how much absorbed in patient
-rad, Gray (Gy) (SI)

20
Q

Task analysis form-

A

doing job right;judged on how you do job right

21
Q

legal Technologist Dose-

A

50 msv (5 rem) per year

22
Q

Image reader-

A

-laser converts x-ray photon energy into digital electronic signal to display on workstation.
-cassette erased by light for reuse

23
Q

Photostimulable Phosphor Plate(PSP)-

A

replaced film; energy from x-ray beam is trapped

24
Q

increase sensitivity if-

A

less specialized, rapidly divide, immature cells0

25
Q

Directed Radiography (DR)-

A

-portable flat-panel detector (special bucky contains detector)
- no reader needed; automatically displays on workplace monitor

26
Q

Computed Radiography (CR)-

A
  • uses specialized digital cassette requires processing in CR reader
27
Q

Student dose-

A

1 mSv (.1 rem) per year

28
Q

Fetal dose-

A

0.5 mSv (0.05) rem per month

29
Q

Exposure Units-

A

roentgen (kg, Airkerma(SI)

30
Q

Radiation units-

A

radiation from tube to technologsts

31
Q

Genetic-

A

occurs in future offspring of exposed individuals

32
Q

Clinical behavior form-

A

-ability to get along with others
-time management
-attitude

33
Q

Decreased magnification= ____ spatial resolution

A

increased

34
Q

Somatic-
2 types-

A

-Occurs in individual
-short term; nausea vomiting, decreased blood count, seizures, death
-long term; cancer, cataracts, life span shortening

35
Q

Clinical uniforms-

A

-royal blue; conservative
-pant and top same fabric
-dress length no short than 2 inch below knee
-black, white, gray, royal blue

36
Q

All tardy time will have to be made up if it excess__
-____ will count toward tardy time
-student who misses 3 days will____

A
  • 1 hour
    -leaving early or being sent home
  • receive a warning (DAF)
37
Q

Program goals- (4)

A
  1. graduates will demonstrate clinical competence
  2. students will develop effective communication skills
  3. students will develop effective critical thinking and problem solving skills
  4. Program will satisfy the communities need for qualified radiographers
38
Q

If four days are missed students clinical grade will be-
-each subsequent absence may result in__ pending__-

A

-dropped a letter grade
-dropped letter grade; department review

39
Q

If student fails to follow proper call in procedures-

A

grade will lower a letter for each day they fail to

40
Q

Inclement weather policy-

A

safety first at all times!

  • if news say something don’t have to call in!
  • text instructors to check 1st, cause not on same school
41
Q

Each dosimeter is a __ record

A

3 month

42
Q

Fingernails should not extend more than__ beyond finger tips

A

1/8”

43
Q

Patch is to be sewn-

A

in center of left sleeve 1 inch below shoulder seam

44
Q

Clinical uniforms-

A

-royal blue; conservative
-pant and top same fabric
-dress length no short than 2 inch below knee
-black, white, gray, royal blue