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imaging science and patient care > patient care 7 and 8 > Flashcards

patient care 7 and 8 Flashcards

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1
Q

The X-Ray beam comes out of the ______.

A

Port

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2
Q

What is the glass around the tube called?

A

Pyrex Glass

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3
Q

What is another name for the X-ray tube?

A

Tube Housing

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4
Q

What do we refer to the lab as?

A

Radiographic Room

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5
Q

What are the 2 Primary components of the X-Ray tube?

A

Anode and Cathode

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6
Q

Where does the collimator lie?

A

Below the tube

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7
Q

There are ____ _____ ______ at each end of the tube.

A

High Voltage Cables

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8
Q

The collimator controls the ____ and ____ of the field size.

A

Size and Shape

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9
Q

The X-ray tube is held from the ceiling by a ____.

A

OTC (overhead tube crane)

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10
Q

Which end of the tube is positive?

A

Anode

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11
Q

A hard surface table is designed for ____.

A

Radiographers

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12
Q

Who invented the bucky tray?

A

Gustave Bucky

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13
Q

The X-Ray table must be easy to clean for _____________ purposes.

A

Infection Control

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14
Q

What must the X-ray tube stay aligned with?

A

Bucky

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15
Q

The _____ _______ is where the RT make the technique selection.

A

Control Console

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16
Q

What are the three technique selections?

A

kVp, mA, time

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17
Q

What type of equipment takes a ‘real time’ image?

A

Fluoroscopy

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18
Q

If Fluoro is live then _______ is being produced.

A

Radiation

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19
Q

Who is allowed to operate the fluoro machine?

A

Radiologist

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20
Q

A good X-ray can also be called _____.

A

Good Diagnostic image

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21
Q

When an X-ray has to be repeated it is called _______?

A

non-diagnostic image

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22
Q

What are the 4 requirements to produce an X-ray?

A
  1. Vacuum
  2. source of electrons
  3. Rapid acceleration of electrons by applying voltage
  4. a target to stop the moving electrons
23
Q

What is the X-ray leaving the tube called?

A

X-ray photons or X-ray beam

24
Q

The photons/beam before it reaches and interacts with the patients body is called _____.

A

Primary Radiation

25
Q

What is the beam that exits the body called?

A

Remnant Radiation

26
Q

If the beam interacts with the body matter and changes direction, it is called ______ ________?

A

Scatter Radiation

27
Q

________ is described as not easily penetrable by x-rays or other forms radiant energy.

A

Radiopaque

28
Q

Permitting the passage of x-rays or other forms of radiant energy with little attenuation is called _________?

A

Radiolucent

29
Q

_____ and _____ will determine if your image is acceptable.

A

mAs and kVp

30
Q

What controls the quantity of photons produced?

A

mAs

31
Q

How is mAs calculated?

A

mA x time (seconds)= mAs

32
Q

What prime factor is in charge of sending electrons from the cathode to anode side?

A

kVp

33
Q

______ controls the penetrating ability of the beam and primarily affects the quality but also the quantity of the x-ray photons produced.

A

kVp

34
Q

What is the distance betweEn the point of x-ray emission in the x-ray tube and the IR?

A

SID

35
Q

Cassette based digital radiography; the digital acquisition modality that uses storage phosphor plates to produce images.

A

CR (computed radiography)

36
Q

Cassette-less image receptor systems that connect x-ray energy into the digital electronic signal for manipulation and display.

A

DR (digital radiography)

37
Q

____ is described as how dark your image is on the monitor.

A

IR exposure

38
Q

The difference between IR exposures on a radiographic image is _______.

A

Contrast

39
Q

Image manipulation parameter that changes image contrast on the display monitor, usually through the use of a mouse.

A

Window Width

40
Q

What is the technical factor controlling IR exposure?

A

mAs

41
Q

What technical factor controls contrast?

A

kVp

42
Q

What contrast has few gray tones

A

High Contrast

43
Q

What contrast has high kVp value?

A

Low contrast

44
Q

What contrast is Long-scale contrast?

A

Low contrast

45
Q

What contrast has narrow exposure latitude?

A

High contrast

46
Q

What contrast has low kVp values?

A

High contrast

47
Q

What contrast is short-scaled contrast?

A

High contrast

48
Q

what contrast has wide exposure latitude?

A

Low contrast

49
Q

What contrast goes from white to black quickly?

A

High contrast

50
Q

Which contrast if for larger body parts?

A

Low contrast

51
Q

Which contrast is for smaller body parts?

A

High Contrast

52
Q

What decreases the amount of scatter radiation reaching the IR, which improves image quality increases contrast?

A

Bucky mechanism

53
Q

X-ray tables are _____ and moveable in any combination of two directions.

A

Radiolucent

imaging science and patient care (8 decks)

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