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RVT- Radiography > Weeks 1 & 2 > Flashcards

Weeks 1 & 2 Flashcards

1
Q 
What do the following mean;
PaD
PlD
Di
Pr
Pa
Pl
A 
Palmodorsal
Plantardorsal
Distal
Proximal
Palmar
Plantar
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2
Q

Are lateral views generally done as left or right laterals?

A

Right side down

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3
Q

What are some positioning aids we can use to help with positioning and animal on the xray table?

A 
Sandbags
foam blocks and wedges
gauze / rope
Radiolucent trough
tape
wood blocks
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4
Q

What do we use to measure an animal for adjusting settings on the xray machine? what is the unit of measurement?

A

Calipers

cm’s

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5
Q

What is radiolucent?

A

Almost entirely invisible in radiograph. Relatively penetrable

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6
Q

What does radiopaque mean?

A

Objects block radiation rather than allowing it to pass through

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7
Q

What is radiodense?

A

Xrays cannot penetrate the object at all

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8
Q

What does superimposed mean?

A

The images on the xray overlap affecting giving a clear view of what we are trying to see

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9
Q

What do the following terms mean?
DMPalLO
PalLDMO

A

Dorsomedial-palmorolateral oblique

Palmorolateral-dorsomedial oblique

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10
Q

What was William Crooks credited for discovering?

A

In the early 1870’s he developed a glass tube and a system for evacuating air from it to study energy in a vacuum. Negative charge on one end….positive charge on the other

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11
Q

What was Wilhelm Roentgen credited with discovering?

A

He noticed a projection of image on a screen when using a Crooks tube. He produced what is considered the 1st xray, an image of his wife’s hand.

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12
Q

What was Albert Einsteins contribution to radiography?

A

He was the first to describe light and xrays in terms like ‘wave’ ‘particle’ and ‘photon’.

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13
Q

What is a cathode?

A

Negatively charged end of the xray tube

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14
Q

What is a photon?

A

Basic unit of light ( no mass, travels at speed of light)

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15
Q

What is an anode?

A

Positively charged end of an xray tube

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16
Q

What is radiation?

A

The transfer of electromagnetic energy in waves and photons

17
Q

What is energy?

A

The ability to do work

18
Q

What is electromagnetic energy?

A

Energy produced by the motion of electrically charged particles.
ie: xrays, microwaves, radiowaves, ultraviolet, infrared and visible light

19
Q

What is a wavelength?

A

It is the distance between 2 consecutive corresponding points on a wave? Crest to crest

20
Q

What is frequency?

A

It is the number of times a wave form passes by a particular spot.
Xrays are high frequency

21
Q

What is electromagnetic radiation?

A

A stream of photons travelling in a wave like pattern at the speed of light

22
Q 
What do the following short forms mean..
VD
DV
CrCd
AP
CDCr
PA
A 
Ventral dorsal
Dorsal ventral
craniocaudal
Anterior posterior
Caudocranial
Posterior anterior

RVT- Radiography (3 decks)

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