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Quiz Rad
quiz taken
| Question | Answer |
|---|---|
| what are 2 things that the collimator does? | the beam is small and reduces scatter of radiation. |
| x-rays have a shorter/ longer wavelength than visible light ? | shorter |
| focal spot | the spot which is to be x-rayed |
| penumbra | area around the x- ray, such as skin |
| tube overload | when it over heats or cracks |
| arching | metal deposit inner envolope which creates 2nd envelope |
| MPD | maximum permissible dose |
| MPD | is the dose one person can handle over a year |
| what are the 3 exposure factors? | mA, S, kVp |
| the tube of the x-ray machine should stay between what distance away from the patient? | 36in to 40 in |
| when is the fetus most senitive to xrays ? | the first 6 weeks |
| what is the MPD in Sv/yr that an individual over 18 yrs of age can recieve? | 0.05 |
| what are 5 ways to decrease your exposure to radiation? | stay far away , one shot, v time, rotate personel, good technique charting |
| 4 things you should be wearing when taking an x-ray? | thorasic/ abdomenal lead vest, thyroid shield, hand shields, radiation badge. |
| how thick should all of your lead equipment be? | 0.05mm |
| how often should you radiograph you gloves to make sure they don't have cracks? | every 6 months |
| how often should you radiograph your gown/thyroid shields to make sure theydon't have crack? | every year |
| what are the 3 types of radiation monitoring devices? | radiation pen, film badge, termodecilmeter(TLD) |
| what is on the back of the cassette is made of? | lead |
| what can you use to clean the outside of the cassette? | soap and water |
| what are the 4 layers of an x-ray screen? | base layer, refeliv layer, crystal layer, protective layer |
| slow speed? | optimum detail |
| medium speed? | most common, good resolution, relatively low exposure |
| fast speed? | reduce exposure time, penetrate thick tissues |
| blue films need a what color safe light ? | amber |
| the green film needs what color safelight? | red |
| what is a latent image? | invisible image after exposure but before developing |
| what is a direct safelight? | the light is facing down |
| what is a indirect safelight? | when the light is facing up to the ceiling |
| why should you never mix chemicals in adark room? | because you can't see and can splash the chemicals in your eyes. |
| what are the 5 steps in manual developing? | fixing, developing, dry, water, hanging on clip |
| what are the 3 chemicals in our automatic processor? | fixer, developer, water |
| what is the optimal temp. for all the chemicals in manual processing ? | 68 degrees |
| what is the optimal temp. for all the chemicals in manual processing? | 95 degrees |
| what are the 4 things required on x-ray label? | clinic name, date, owner, pet |
| aphoto labeler is used when? | after exposure and before developing |
| what type of x-rays labeling doesn't hold up in court? | permant marker |
| what are the 6 degrees of radiograph evaluaion? | landmarks, positioning, presantation, technique, collimation |
| when looking at a finished lateral x-ray, the head should be to the left or right on the view? | left |
| when looking at a finish v/d x-rays, the patients right should match up our left or right? | left |
| what are the 2 types of technique charts? | mAs varible, kVp varible |
| what are 2 reasons for making a technique chart? | to help get the measurment correct the first time to reduce exposure and better |
| what type of dog should be use when making a technique chart? | medium 40 - 50 lbs |
| what size envelope should be used when filing? | 14 by 17 |
| what should you do to the patient before x-raying ? | measure the patient |
| what is concidered table top? | 1cm to 10 cm |
| what is concider bucky? | 11cm and up |
| where does the cassette go when taking a talbe top radiograph? | under the patient on the table |
| wher does the film go for bucky patients? | in the drawer under the table |
| which side of cassette towards the tube of the x-rays machine ? | black |
| where should the metal plate in the cassette always be during a x-ray? | upper left corner |
| v/d abdomen | pt is on their back, 3 fingers up the sternum to the hips |
| lateral abdomen | pt is on their side, 3 fingers the sternum to the hips |
| v/d thorax | pt is on their back, main beam from neck to the diaphragm |
| lateral thorax | pt on their sid, beam behind the scapula |
| a/p carpus | pt is sternal, bot front legs in view for comparison |
| lateral elbow | pt is on their side, taking pic of the limb |
| OFA hips | pt laying on their back, 2 lumbar vert. legs pulled stright, rotated inwards |
| the cathode is ? | - |
| anode is | + |
| the effective focal spot size is _____ then the actualfocal spot. | smaller |
| penumbra | around the x-ray such as skin |
| what is the filament like part of the xray machine made of? | tungstin |
| what does mA mean? | millamperage |
| what are 2 ways of restraining a horse for radiograph? | knockonthe head , lifting the leg |
| what are the 5 Ps | pull off shoe, pick out the hoof, pare the hoof, pack hoof, place the hoof on wooden box |
| negative contrast is what color? | black - example is air |
| positive contrast is what color? | white- example baiumn |
| when is the barium containdicated and why? | when there is tear because it can be toxic to the rest of the body |
| which is best for diagnosing spinal injuries ? | myelogram because you can see better to the disc |
| what are the 4 layers of intensifying screen? | protective, base, phosphor, reflecting |
Created by:
CraftyLady
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