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VTNE Prep > Test 1 > Flashcards

Test 1 Flashcards

1
Q

mAs controls what?

A

quantity of electrons that are produced in the cathode

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2
Q

kVp controls what?

A

the acceleration and penetration power

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3
Q

what is density?

A

the degree of blackness on a radiograph

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4
Q

A radiograph that has many black areas and is dark when viewed has?

A

High density

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5
Q

what is contrast?

A

The visible difference between 2 adjacent radiographic densities.

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6
Q

what is a common radiographic position we use in vet med for thoracic and abdomen radiographs?

A

DV, lateral

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7
Q

what is a common radiographic position we use in vet med for proximal limbs?

A

lateral

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8
Q

what is a common radiographic position we use in vet med for paws?

A

lateral, dorsal palmar, dorsal plantar

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9
Q

When the beam enters the most cranial surface first and exits through the caudal surface it is called?

A

craniocaudal

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10
Q

When the beam enters the most caudal surface first and exits through the cranial surface it is called?

A

caudocranial

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11
Q

During an exposure, electrons in the x-ray tube travel from the…

A

cathode to the anode

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12
Q

when radiographing a long bond it is important to?

A

include the joint proximal and the joint distal

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13
Q

The minimum age for a person to be involved in radiographic procedures is?

A

18

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14
Q

the acceleration of the electrons and their ultimate striking energy is determined by the…

A

kilovoltage (kVp)

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15
Q

How does kVp affect the electrons and the x-ray beam?

A

Increasing it increases the speed at which electrons are pulled across to the anode and also increases the penetrating power of the x-ray beam.

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16
Q

When is it permissible to have a part of your body to the primary beam during an x-ray procedure?

A

Never. You should not expose any part of your body to the primary beam

17
Q

A radiation film badge worn at the collar level, why?

A

monitors exposure of the thyroid gland and lenses of the eyes

18
Q

the imaging technique that involves a piezoelectric crystal within a transducer is?

A

ultrasound

19
Q

Regarding ultrasound, a under filled bladder is usually best classified as?

A

Anechoic

20
Q

The ultrasound term the refers to few echoes detected, and the area is a low-level gray compared with the surrounding tissue is?

A

hypoechoic

21
Q

In ultrasonography, what term refers to tissue that reflects more sound back to the transducer than the sounding tissues?

A

hyperechoic

22
Q

at what level should the x-ray beam be centred for a radiographic exam of the cervical spine?

A

C3 - C4

23
Q

how often should chemical (drug), restraint be used during radiologic procedures?

A

as often as possible

24
Q

what involves non ionizing radiation to create the image?

A

MRI

25
Q

what is the term used to describe an x-ray study that involves injection of a dye into the spinal column?

A

myelogram

26
Q

what device offers technicians the least protection from x-radiation?

A

dosimeter badge

27
Q

when radiographing a dorsopalmar view of an animals limb the primary beam enters _____ of the paw and exits through the _____.

A

dorsal aspect, palmar aspect

28
Q

what absorbs the most x-rays?

A

metal

29
Q

A bullet fragment on a film appears as a?

A

white mark

30
Q

the tungsten plate (target) is located where on the x-ray machine?

A

anode

31
Q

as the wavelength of x-ray photons shortens, the energy of the x-ray beam will?

A

increase

32
Q

If a radiograph appears overexposed, is it too light or too dark? would you increase or decrease the exposure to improve the quality?

A

Too dark, exposure should be decreased

33
Q

if a radiograph is too light, and the image appears underpenetrated, you should?

A

Increase kVp 10%-15%

34
Q

when positioning an animal for radiographs, it is best to place the thicker portion of the patient toward ____ of the tube to produce a radiograph with uniform density.

A

The center

35
Q

What land marks should be included when radiographing the humerus?

A

proximal landmark, shoulder joint, distal landmark, elbow

36
Q

The minimum standard of lead equivalent for protective aprons and gloves is?

A

0.25mm

37
Q

abdominal radiographs are taken when the…

A

Animal exhales

38
Q

when can you x-ray a pregnant animal?

A

55 days

39
Q

when can you ultrasound a pregnant animal?

A

20-32 days

VTNE Prep (4 decks)

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