Quiz
Radiography - Veterinary Nursing
Perguntas do quiz (45)
1What does MRI stand for?
- AMarginal Resistance Imaging
- BMagnetic Resistance Imaging
- CMagnetic Resonance Imaging
- DMarginal Routine Imaging
2The combination of scattered radiation and radiation absorbed into the patient's body is known as:
- AAttenuation
- BLuminescence
- CPenumbra effect
- DThermionic emission
3Which of the following terms describes the process of electrons leaving their orbit from the atom when stimulated by a filament being heated?
- AThermionic emission
- BSudden braking
- CKinetic energy
- DBoiling off
4Which of the following is true about the cathode?
- AIt is where the x-rays are produced
- BIt produces electrons when heated
- CIt is where the electrons strike
- DIt can be stationary or rotating
5Which of the following is a teratogenic effect of radiation?
- ACancer
- BSkin erythema
- CBlood count changes
- DMalformation of a foetus
6Penumbra will increase with:
- AA reduced anode angle
- BAn increased anode angle
- CA smaller actual focal spot
- DA smaller effective focal spot
7What is the anode primarily made of?
- ACopper
- BTungsten
- CAluminium
- DMolybdenum
8Which of the following statements is correct?
- AThe 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.
- BThe 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.
- CElectrons 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.
- DElectrons 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.
9Which of the following is NOT a resulting effect of radiaton?
- ABiological
- BPhotographic
- CLuminescence
- DElectromagnetism
10X-rays are described as having:
- AShort wavelength, high frequency
- BShort wavelength, low frequency
- CLong wavelength, high frequency
- DLong wavelength, low frequency
11The focussing cup prevents electrons from:
- ADecelerating
- BRepelling
- CDiverging
- DConverging
12Which of the following statements are true?
- AWith a stationary anode, the size of the actual focal spot changes (increases) whilst the size of the effective focal spot stays the same.
- BWith a stationary anode, the size of the actual focal spot stays the same whilst the size of the effective focal spot increases.
- CWith a rotating anode, the size of the actual focal spot changes (increases) and so does the size of the effective focal spot.
- DWith a rotating anode, the size of the actual focal spot changes (increases) but the size of the effective focal spot stays the same.
13Atomic number is determined by:
- AAmount of electrons in an atom
- BAmount of neutrons and electrons in an atom
- CAmount of protons in an atom
- DAmount of neutrons and protons in the nucleus
14Which of the following is NOT a type of diagnostic imaging?
- AGamma scintigraphy
- BFluoroscopy
- CElectrocardiography
- DLaparoscopy
15An effect which occurs due to exposure to radiation irrespective of amount is known as:
- ASomatic
- BDeterministic
- CGenetic
- DStochastic
16If the mA is 50 and the exposure time is 0.5s the mAs would be:
- A25
- B55
- C100
- D250
17When 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:
- A5
- B20
- C40
- D80
18A radiograph is taken at 60kV and 50mAs. If the kV was changed to 70 what would the new mAs be?
- A70kV and 12.5mAs
- B70kV and 30mAs
- C70Kv and 15mAs
- D70kV and 25mAs
19A radiograph taken using an mAs of 8 with the mA set at 50 will use an exposure time of:
- A0.16s
- B0.32s
- C0.58s
- D0.62s
20If an x-ray machine is set with a time of 0.2s and an mAs of 12, the mA will be:
- A6
- B24
- C60
- D240
21When x-raying thick/dense tissue you will need a:
- AHigh kV
- BHigh mAs
- CLow kV
- DLow mAs
22Increasing the FFD will:
- AImprove sharpness, create an overexposed image and need a high mAs
- BImprove sharpness, create an underexposed image but require low mAs
- CReduce sharpness, create an underexposed image and require high mAs
- DReduce sharpness, create an overexposed image but require low mAs
23A radiograph that is too dark may have been:
- ATaken with a low kV
- BOverexposed or overdeveloped
- CUnderexposed or underdeveloped
- DTaken with an excessive film focal distance
24What is the exposure fault for an image high in contrast?
- AkV too high
- BkV too low
- CmA too high
- DmA too low
25Objects that allow x-rays to pass through them are:
- ADenser
- BRadiopaque
- CRadiolucent
- DLikely to be bone
26Distinct black crescent marks seen on an image are most likely to be caused by:
- AStatic electricity
- BFinger nail marks
- CSplashes of developer
- DDust trapped in the cassette
27A film which is high in contrast could be corrected by:
- AIncreasing the mAs
- BDecreasing the mAs
- CIncreasing the kV
- DDecreasing the kV
28Which 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”
- APseudo-focussed
- BCross hatched
- CPotter bucky
- DFocussed
29Which of the following is the most likely cause of a yellow-brown stain over the whole of the film?
- AInsufficient washing after developing
- BInsufficient washing after fixing
- CExpired developer
- DExpired film
30An image which is too dark when processed could be caused by which of the following?
- AFilm focal distance too great
- BmAs too low
- CkV too high
- DTime (sec) too short
31Which of the following is the usual frequency (MHz) at which an abdominal scan would be performed on a large dog?
- A3
- B5
- C7
- D10
32Which 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?
- AA
- BB
- CM
- DDoppler
33Which of the following tissues will attenuate and therefore reflect ultrasound waves the most?
- ABone
- BFat
- CSoft tissue
- DFluid
34Tissue which is anechoic and therefore does not reflect any ultrasound waves will appear what colour?
- ABlack
- BDark grey
- CWhite
- DLight grey
35Blood returning to (moving towards) the probe on a Doppler ultrasound image will be:
- ARed
- BBlue
- CBlack
- DDark grey
36Which of the following is NOT a recognised technique of producing a contrast radiograph?
- ABarium used within the gastrointestinal tract
- BTriple combination of iodine, barium and air
- CAir used as negative contrast medium
- DAir and iodine used together
37Positive contrast media used in studies has a:
- ADark appearance on a radiograph
- BLow ability to absorb x-rays
- CHigh atomic number
- DRadiolucent effect
38Which if the following terms is associated with the introduction of contrast media into the bladder for cystography?
- AAnterograde
- BRetrograde
- CDescending
- DAscending
39Which of the following is true regarding patient preparation for contrast radiography?
- AA radiograph should be taken as soon as the contrast media is administered
- BPatients should be starved for 48hrs
- CPlain radiographs should be taken first
- DAll patients should be anaesthetised
40Which of the following is recommended as part of patient aftercare following myelography?
- APlace the patient in lateral recumbency
- BMaintain the patient's head flexed at 90° to the spine
- CMaintain elevation of the patient's head 10° above the level of the spine
- DEnsure the patient's head is kept lower than the level of their spine
41Gloves used as PPE in small animal radiography have what thickness of lead equivalent?
- A0.25mm
- B0.35mm
- C0.25cm
- D0.5mm
42Who is responsible for providing guidance on creation of the radiography local rules?
- AHealth and Safety Executive
- BRadiation Protection Advisor
- CRadiation Protection Supervisor
- DNational Radiological Protection Board
43Adult 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?
- A20 msv
- B50 msv
- C25 msv
- D100 msv
44Thermoluminescent dosimeters contain which type of crystals?
- ALithium fluoride
- BLithium heparin
- CSilver bromide
- DSilver halide
45Which of the following does not represent effective radiographic health and safety?
- ACollimation of the beam to the smallest size possible
- BMaintaining a film focal distance of 100cm
- CUse of a radiation protection advisor
- DReduction of exposure factors
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- Descrição
- veterinary nursing Veterinary Nursing Quiz sobre Radiography - Veterinary Nursing , criado por Hattie ,, em 17-05-2020.
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- Hattie ,,
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- English
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