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List the three parts of the xray machine.
Control Panel, extension arm, tubehead.
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List 3 adjustments found on the control panel.
mA, kV, on/off
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Milliamperage (mA) controls the ________ or amount of electrons produced.
Quantity
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What is mA most commonly set at?
10 - 15
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Kilovoltage (kV) controls the ________ or penetrating power of the beam.
Quality
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What is the purpose of the extension arm?
Position the tubehead towards the pt.
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What part of the xray machine generates the xrays?
Tubehead
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The neative ( - ) side of the tubehead, where the electrons ar generated is called the _____.
Cathode
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When the machine is turned on, what heats up, and produces the electrons?
filament or coil
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What directs the electrons to the positive side of the tubehead?
Focusing cup
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What is the positive (+) side of the tubehead called?
Anode
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When the button is pushed, the electrons shoot to the ______.
Tungsten target
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The area where they hit is called the _____.
Focal spot
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The xrays are then directed down, through the aperture, or window , and encounter the aluminum _____.
Filter
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What is the purpose of the aluminum filter?
To eliminate soft, weak, xrays.
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The primary xray beam continues through the cone, and next encounter What?
Collimator or lead diaphragm
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The x rays then pass through the open cone, and out the _____.
PID ( Position Indicator Device)
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The outside of the tubehead is surrounded by what type of casing?
Metal
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The next casing, inside of the metal one is the _____.
Glass casing or Glass envelope
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What is found in between these two casings and why?
Oil Bath for cooling.
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What is the purpose of the collimator ( lead diaphragm)?
Reshapes the beam, and limits its size.
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