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Radiography - Veterinary Nursing

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veterinary nursing Veterinary Nursing Quiz sobre Radiography - Veterinary Nursing , criado por Hattie ,, em 17-05-2020.
Hattie ,,
Quiz por Hattie ,,, atualizado more than 1 year ago
Hattie ,,
Criado por Hattie ,, mais de 4 anos atrás
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Resumo de Recurso

Questão 1

Questão
What does MRI stand for?
Responda
  • Marginal Resistance Imaging
  • Magnetic Resistance Imaging
  • Magnetic Resonance Imaging
  • Marginal Routine Imaging

Questão 2

Questão
The combination of scattered radiation and radiation absorbed into the patient's body is known as:
Responda
  • Attenuation
  • Luminescence
  • Penumbra effect
  • Thermionic emission

Questão 3

Questão
Which of the following terms describes the process of electrons leaving their orbit from the atom when stimulated by a filament being heated?
Responda
  • Thermionic emission
  • Sudden braking
  • Kinetic energy
  • Boiling off

Questão 4

Questão
Which of the following is true about the cathode?
Responda
  • It is where the x-rays are produced
  • It produces electrons when heated
  • It is where the electrons strike
  • It can be stationary or rotating

Questão 5

Questão
Which of the following is a teratogenic effect of radiation?
Responda
  • Cancer
  • Skin erythema
  • Blood count changes
  • Malformation of a foetus

Questão 6

Questão
Penumbra will increase with:
Responda
  • A reduced anode angle
  • An increased anode angle
  • A smaller actual focal spot
  • A smaller effective focal spot

Questão 7

Questão
What is the anode primarily made of?
Responda
  • Copper
  • Tungsten
  • Aluminium
  • Molybdenum

Questão 8

Questão
Which of the following statements is correct?
Responda
  • The filament within the anode is heated, electrons are produced, a potential difference is applied, and electrons are directed through the focussing cup towards the target.
  • The filament within the cathode is heated, x-rays are produced, a potential difference is applied, x-rays hit the anode and are directed down towards the patient.
  • Electrons produced at the cathode through thermionic emission are collected by the focussing cup, a potential difference is applied, they are propelled towards the anode where they are converted to x-rays.
  • Electrons produced at the cathode by kinetic energy are collected by the focussing cup, a potential difference is applied, they are propelled towards the anode where they are converted into x-rays.

Questão 9

Questão
Which of the following is NOT a resulting effect of radiaton?
Responda
  • Biological
  • Photographic
  • Luminescence
  • Electromagnetism

Questão 10

Questão
X-rays are described as having:
Responda
  • Short wavelength, high frequency
  • Short wavelength, low frequency
  • Long wavelength, high frequency
  • Long wavelength, low frequency

Questão 11

Questão
The focussing cup prevents electrons from:
Responda
  • Decelerating
  • Repelling
  • Diverging
  • Converging

Questão 12

Questão
Which of the following statements are true?
Responda
  • With a stationary anode, the size of the actual focal spot changes (increases) whilst the size of the effective focal spot stays the same.
  • With a stationary anode, the size of the actual focal spot stays the same whilst the size of the effective focal spot increases.
  • With a rotating anode, the size of the actual focal spot changes (increases) and so does the size of the effective focal spot.
  • With a rotating anode, the size of the actual focal spot changes (increases) but the size of the effective focal spot stays the same.

Questão 13

Questão
Atomic number is determined by:
Responda
  • Amount of electrons in an atom
  • Amount of neutrons and electrons in an atom
  • Amount of protons in an atom
  • Amount of neutrons and protons in the nucleus

Questão 14

Questão
Which of the following is NOT a type of diagnostic imaging?
Responda
  • Gamma scintigraphy
  • Fluoroscopy
  • Electrocardiography
  • Laparoscopy

Questão 15

Questão
An effect which occurs due to exposure to radiation irrespective of amount is known as:
Responda
  • Somatic
  • Deterministic
  • Genetic
  • Stochastic

Questão 16

Questão
If the mA is 50 and the exposure time is 0.5s the mAs would be:
Responda
  • 25
  • 55
  • 100
  • 250

Questão 17

Questão
When taking a radiograph, the Film Focal Distance FFD is set at 75 and the mAs is 10. If the FFD is increased to 150, the new mAs should be:
Responda
  • 5
  • 20
  • 40
  • 80

Questão 18

Questão
A radiograph is taken at 60kV and 50mAs. If the kV was changed to 70 what would the new mAs be?
Responda
  • 70kV and 12.5mAs
  • 70kV and 30mAs
  • 70Kv and 15mAs
  • 70kV and 25mAs

Questão 19

Questão
A radiograph taken using an mAs of 8 with the mA set at 50 will use an exposure time of:
Responda
  • 0.16s
  • 0.32s
  • 0.58s
  • 0.62s

Questão 20

Questão
If an x-ray machine is set with a time of 0.2s and an mAs of 12, the mA will be:
Responda
  • 6
  • 24
  • 60
  • 240

Questão 21

Questão
When x-raying thick/dense tissue you will need a:
Responda
  • High kV
  • High mAs
  • Low kV
  • Low mAs

Questão 22

Questão
Increasing the FFD will:
Responda
  • Improve sharpness, create an overexposed image and need a high mAs
  • Improve sharpness, create an underexposed image but require low mAs
  • Reduce sharpness, create an underexposed image and require high mAs
  • Reduce sharpness, create an overexposed image but require low mAs

Questão 23

Questão
A radiograph that is too dark may have been:
Responda
  • Taken with a low kV
  • Overexposed or overdeveloped
  • Underexposed or underdeveloped
  • Taken with an excessive film focal distance

Questão 24

Questão
What is the exposure fault for an image high in contrast?
Responda
  • kV too high
  • kV too low
  • mA too high
  • mA too low

Questão 25

Questão
Objects that allow x-rays to pass through them are:
Responda
  • Denser
  • Radiopaque
  • Radiolucent
  • Likely to be bone

Questão 26

Questão
Distinct black crescent marks seen on an image are most likely to be caused by:
Responda
  • Static electricity
  • Finger nail marks
  • Splashes of developer
  • Dust trapped in the cassette

Questão 27

Questão
A film which is high in contrast could be corrected by:
Responda
  • Increasing the mAs
  • Decreasing the mAs
  • Increasing the kV
  • Decreasing the kV

Questão 28

Questão
Which one of the following grids if not used correctly, would lead to a film fault where there is a loss of image on each side or “cut off”
Responda
  • Pseudo-focussed
  • Cross hatched
  • Potter bucky
  • Focussed

Questão 29

Questão
Which of the following is the most likely cause of a yellow-brown stain over the whole of the film?
Responda
  • Insufficient washing after developing
  • Insufficient washing after fixing
  • Expired developer
  • Expired film

Questão 30

Questão
An image which is too dark when processed could be caused by which of the following?
Responda
  • Film focal distance too great
  • mAs too low
  • kV too high
  • Time (sec) too short

Questão 31

Questão
Which of the following is the usual frequency (MHz) at which an abdominal scan would be performed on a large dog?
Responda
  • 3
  • 5
  • 7
  • 10

Questão 32

Questão
Which mode would be selected on an ultrasound machine if a video-like image was required for example when looking at the movement of the heart?
Responda
  • A
  • B
  • M
  • Doppler

Questão 33

Questão
Which of the following tissues will attenuate and therefore reflect ultrasound waves the most?
Responda
  • Bone
  • Fat
  • Soft tissue
  • Fluid

Questão 34

Questão
Tissue which is anechoic and therefore does not reflect any ultrasound waves will appear what colour?
Responda
  • Black
  • Dark grey
  • White
  • Light grey

Questão 35

Questão
Blood returning to (moving towards) the probe on a Doppler ultrasound image will be:
Responda
  • Red
  • Blue
  • Black
  • Dark grey

Questão 36

Questão
Which of the following is NOT a recognised technique of producing a contrast radiograph?
Responda
  • Barium used within the gastrointestinal tract
  • Triple combination of iodine, barium and air
  • Air used as negative contrast medium
  • Air and iodine used together

Questão 37

Questão
Positive contrast media used in studies has a:
Responda
  • Dark appearance on a radiograph
  • Low ability to absorb x-rays
  • High atomic number
  • Radiolucent effect

Questão 38

Questão
Which if the following terms is associated with the introduction of contrast media into the bladder for cystography?
Responda
  • Anterograde
  • Retrograde
  • Descending
  • Ascending

Questão 39

Questão
Which of the following is true regarding patient preparation for contrast radiography?
Responda
  • A radiograph should be taken as soon as the contrast media is administered
  • Patients should be starved for 48hrs
  • Plain radiographs should be taken first
  • All patients should be anaesthetised

Questão 40

Questão
Which of the following is recommended as part of patient aftercare following myelography?
Responda
  • Place the patient in lateral recumbency
  • Maintain the patient's head flexed at 90° to the spine
  • Maintain elevation of the patient's head 10° above the level of the spine
  • Ensure the patient's head is kept lower than the level of their spine

Questão 41

Questão
Gloves used as PPE in small animal radiography have what thickness of lead equivalent?
Responda
  • 0.25mm
  • 0.35mm
  • 0.25cm
  • 0.5mm

Questão 42

Questão
Who is responsible for providing guidance on creation of the radiography local rules?
Responda
  • Health and Safety Executive
  • Radiation Protection Advisor
  • Radiation Protection Supervisor
  • National Radiological Protection Board

Questão 43

Questão
Adult workers have a maximum permissible dose of radiation of 100 msv over a 5 year period. What is the maximum dose in any given year they can receive?
Responda
  • 20 msv
  • 50 msv
  • 25 msv
  • 100 msv

Questão 44

Questão
Thermoluminescent dosimeters contain which type of crystals?
Responda
  • Lithium fluoride
  • Lithium heparin
  • Silver bromide
  • Silver halide

Questão 45

Questão
Which of the following does not represent effective radiographic health and safety?
Responda
  • Collimation of the beam to the smallest size possible
  • Maintaining a film focal distance of 100cm
  • Use of a radiation protection advisor
  • Reduction of exposure factors

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