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16 Cards in this Set
- Front
- Back
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Ethics
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Rules that apply values and moral standards to our actions.
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A code of ethics
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A document that sets forth standards of correct behavior within a profession.
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What are 3 rules of informed consent?
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1) Informed consent may be revoked at any time.
2)Patient must be legally competent to sign. 3)The form has to be filled out completely by the Dr. before the patient signs it. It cannot be signed and blanks filled in later. 4)The informed consent document must be followed exactly in the procedure otherwise it isn't valid. |
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What are three essential features of good charting?
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1)Accurate
2)Legible 3)Pertinent |
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What is the usual legal retention time for radiographs?
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5-7 years.
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What is a "direct hit" when using an x-ray?
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Breakage of a DNA molecule as a result of an interaction with an x-ray photon
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What does ALARA stand for?
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As low as reasonably achievable.
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What 3 things are considered "low-dose techniques?"
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1)Using optimum kVp
2)Using fast screens and fast film. 3)Using a minimum SID of 40 inches. |
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What two changes decrease patient dose?
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Using faster screens and Increasing the kVp using the 15% rule.
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Define stochastic
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Long-term effects of exposure to radiation. They can be random and unpredictable. Effect is usually seen between 5-30 years after exposure.
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Define nonstochastic
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Short-term effects of exposure to radiation, they are typical of relatively high doses.
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Define Roentgen (R)
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The conventional unit of radiation exposure. It represents a measurement of the radiation intensity in the air.
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Define Ionizing radiation
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Is radiation that when passing through the body, produces positively and negatively charged particles.
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Define radiation protection
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Measures taken to safeguard patients, personnel, and the public from unnecessary exposure to ionizing radiation.
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Absorbed dose (D)
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Is the amount of energy (x-ray) per unit mass absorbed by the irradiated tissue.
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Rad
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Radiation absorbed dose, it is the conventional unit to measure specific tissue doses received in diagnostic applications. Rad is equal to 100 erg (an energy unit) absorbed per gram of irradiated tissue.
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