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57 Cards in this Set
- Front
- Back
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X-Ray tube produces |
X-Rays |
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Major parts of an X-Ray tube are |
Anode and Cathode |
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X-Ray tubes converts energy into |
X-rays and heat |
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What is the the technique that Radiographer controls the number of x-rays produced |
mAs |
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The energy from the X-Ray is called |
KVp |
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Another name for X-Ray beam is called |
Limiting device |
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Lead shutters control blank and blank of the x-ray beam |
Size and Shape |
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What the act of coning or reduce the size of the x-ray? |
Collimating |
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What is positive beam limitation? |
Automatically sense the size of the cassette and adjust the light field accordingly |
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Overexposure to a patient will produce |
Unusable image |
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Tape measure on a x-ray is used to |
Check the SID manually |
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What's the table in a exam |
Place where the patient lays for exams |
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Tilting consists of what degree split |
90/30 |
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Tabletop movement consists of |
Longitudinal and tranveresly |
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Bucky tray holds what two things |
X-ray cassette and IR |
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Bucky tray does what two functions |
Locks the cassette and centers it |
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If bucky tray is handle is vertical |
Locked |
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If bucky tray is horizontal |
Open |
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The control console is used to adjust the x-ray |
Technique |
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What are 3 examples of technique |
KVp, mA, sec |
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Kilo equals |
1000 |
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Range for kilovoltage is |
30 KVp to 150 KVp |
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Major increments of KVp |
10 |
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Minor increments of KVp |
1 or 2 |
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KVp can be controlled by how many knobs |
2 |
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On a digital equipment the KVp is controlled by |
1 knob |
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KVp controls the blank of the x-ray beam |
Quality or energy |
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Milli equals |
.001 |
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Range for milliamperage is |
10 to 1200 mA |
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Adjusted increments for milliamperage is |
50 or 100 mA |
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100 to 400 mA |
Is what most radiography routine is done |
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Timer is the unit of |
Seconds |
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Time determines |
The length of exposure |
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Time is used to control the blank of the x-ray produced |
Quantity |
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mAs is the product of what |
Ma and time (mA x sec) |
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What's the main factor that controls the quantity of x-rays produced? |
mAs |
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Exposure switch is a blank position switch |
2 |
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First position of the exposure switch is called |
Prep stage (push down halfway) |
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Second position of the exposure switch is called |
Exposure switch |
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What happens during the prep stage |
Rotor turning and filaments are heating up |
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Termination of the exposure must be indicated both |
Audibly and visually |
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The tube stands does what |
Supports the tube and its housing |
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Tube stand allows movement in |
Various directions: 1. Longitudinal 2. Transverse 3. Vertical 4. Angulation, 5. Roatational |
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Longitudinal tube movement |
Left to right |
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Transverse tube movement |
Across and back to you |
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Angulation tube movement |
Angle |
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Rotational tube movement |
Clock or counterclockwise |
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Wall Mounted systems allows for what type of movements |
Vertical |
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What are the 3 major components in the component alignment |
Tube, Table, Bucky Tray |
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What is used for the study of structures that are in motion |
Fluoroscopic equipment |
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What are the 4 components of a fluoroscopy machine |
1. X-ray tube 2. Image Intensifer 3. TV Monitor 4. TV Screen |
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What does an image intensifier does |
Takes a weak signal and amplifies it thousand of times |
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What does a spot film does |
Allows to take static images by using cassettes |
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Spot film with film is called |
Film system |
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Spot film without film is called |
Digital system |
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What's the purpose of a mobile or portable equipment |
To perform x-rays at a pt bedside or in the operating room |
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Proper alignment of the 3 major components are a |
Must |
