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Radiography - Veterinary Nursing

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GRE Veterinary Quiz on Radiography - Veterinary Nursing , created by Dannii Peet on 28/06/2020.
Dannii Peet
Quiz by Dannii Peet, updated more than 1 year ago More Less
Hattie ,,
Created by Hattie ,, over 4 years ago
Dannii Peet
Copied by Dannii Peet over 4 years ago
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Resource summary

Question 1

Question
What does MRI stand for?
Answer
  • Marginal Resistance Imaging
  • Magnetic Resistance Imaging
  • Magnetic Resonance Imaging
  • Marginal Routine Imaging

Question 2

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

Question 3

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

Question 4

Question
Which of the following is true about the cathode?
Answer
  • 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

Question 5

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

Question 6

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

Question 7

Question
What is the anode primarily made of?
Answer
  • Copper
  • Tungsten
  • Aluminium
  • Molybdenum

Question 8

Question
Which of the following statements is correct?
Answer
  • 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.

Question 9

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

Question 10

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

Question 11

Question
The focussing cup prevents electrons from:
Answer
  • Decelerating
  • Repelling
  • Diverging
  • Converging

Question 12

Question
Which of the following statements are true?
Answer
  • 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.

Question 13

Question
Atomic number is determined by:
Answer
  • 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

Question 14

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

Question 15

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

Question 16

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

Question 17

Question
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:
Answer
  • 5
  • 20
  • 40
  • 80

Question 18

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

Question 19

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

Question 20

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

Question 21

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

Question 22

Question
Increasing the FFD will:
Answer
  • 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

Question 23

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

Question 24

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

Question 25

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

Question 26

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

Question 27

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

Question 28

Question
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”
Answer
  • Pseudo-focussed
  • Cross hatched
  • Potter bucky
  • Focussed

Question 29

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

Question 30

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

Question 31

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

Question 32

Question
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?
Answer
  • A
  • B
  • M
  • Doppler

Question 33

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

Question 34

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

Question 35

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

Question 36

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

Question 37

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

Question 38

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

Question 39

Question
Which of the following is true regarding patient preparation for contrast radiography?
Answer
  • 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

Question 40

Question
Which of the following is recommended as part of patient aftercare following myelography?
Answer
  • 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

Question 41

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

Question 42

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

Question 43

Question
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?
Answer
  • 20 msv
  • 50 msv
  • 25 msv
  • 100 msv

Question 44

Question
Thermoluminescent dosimeters contain which type of crystals?
Answer
  • Lithium fluoride
  • Lithium heparin
  • Silver bromide
  • Silver halide

Question 45

Question
Which of the following does not represent effective radiographic health and safety?
Answer
  • 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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