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ST1 > Week 8 Terms > Flashcards

Week 8 Terms Flashcards

1
Q

Computed tomography (CT)

A

Imaging technique that obtains cross-sectional X-ray views

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2
Q

Contrast medium

A

Radiopaque fluid used in radiation studies to determine shape and density of anatomy

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3
Q

Doppler studies

A

Technique that uses ultrasonic waves to measure blood flow in a vessel

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4
Q

Magnetic resonance imaging (MRI)

A

Diagnostic technique that uses radio frequency signals and magnetic energy to produce images

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5
Q

Fluoroscopy

A

Radiological technique that provides real-time images of an anatomical region

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6
Q

Malignant

A

Used to characterize tissue that shows disorganized, uncontrolled growth

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7
Q

Palpating

A

Assessing a part of the body by feeling outline, density, movement, or other attributes

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8
Q

Positron emission tomography (PET)

A

Type of medical imaging that measures specific metabolic activity in the target time

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9
Q

Airborne transmission precautions

A

Precautions that prevent airborne transfer of ds organism in the environment

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10
Q

Blood-borne pathogens

A

Harmful microbes that may present in and transmit through human blood and body fluids

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11
Q

Chemical risk factors

A

Hazards related to primarily to liquid, gas, and solid chemicals in the preoperative environment

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12
Q

Electrocution

A

Severe burns, cardiac disturbances, or death as a result of electrical current discharged into the body

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13
Q

Electrosurgical unit (ESU)

A

Medical device commonly used in sx to coagulate blood vessels and cut tissues

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14
Q

Eschar

A

Burned tissue fragments that accumulate on the ESU tip; can cause sparking and become source of ignition

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15
Q

Flammable

A

Capable of burning

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16
Q

Grounding

A

Path for electrical current to flow unimpeded through material and disperse back to the source or in the body

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17
Q

Hypersensitivity

A

Cell-mediated immune response to a substance in the body

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18
Q

Impedance (resistance)

A

Ability of a substance to stop or alter the flow of electrons through a conductive material

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19
Q

Latex

A

Naturally occurring sap obtained from rubber trees used to manufacture medical devices, supplies, and pt care items

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20
Q

Neutral zone (no-hands) technique

A

Method of transferring sharp instruments on the surgical field w/o hand-to-hand contact

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21
Q

Occupational exposure

A

Exposure to hazards in the workplace

22
Q

Oxidizers

A

Agents or substance capable of supporting fire

23
Q

Oxygen enriched atmosphere (OEA)

A

Environment that contains a high percentage of oxygen; high risk of fire

24
Q

Personal protective equipment (PPE)

A

Recommended procedures to help prevent the development of blood-borne ds after an exposure incident

25
Q

Risk

A

Statistical probability of a given event based on the number of such events that have already occurred in a define population

26
Q

Sharps

A

Any objects that can penetrate the skin and have the potential to cause injury and infection

27
Q

Post exposure prophylaxis (PEP)

A

Recommended procedures to help prevent the development of blood-borne ds after an exposure incident

28
Q

Smoke plume

A

Smoke created during use of ESU or laser

29
Q

Standard precautions

A

Guidelines issued by the CDC to reduce the risk of transmission of blood-born and other pathogens

30
Q

Transmission-based precautions

A

Standards and precautions to prevent the spread of infectious ds by its know to be infectious

31
Q

Technical risk factors

A

Hazards related to medical devices and energy sources

32
Q

Underwriters laboratories (UL)

A

Nonprofit agency that tests and certifies electrical equipment in the US

33
Q

Volatile

A

Substance with a low boiling point that converts to a vapor at low temp

34
Q

Current

A

Rate of electrical flow

35
Q

Direct current (DC)

A

Low voltage; originates from a battery

36
Q

Alternating current (AC)

A

Transmitted by a 220- or 110-V line; normally found in wall outlet

37
Q

Voltage

A

Driving force behind the moving elections

38
Q

NRC

A

Nuclear regulatory commission; federal agency associated with regulation of various aspects of medical waste

39
Q

Anesthetic gases

A

General anesthesia

40
Q

Ethylene oxide

A

Gas sterilization

41
Q

Glutaraldehyde

A

Disinfection; use only under hood

42
Q

Peracetic acid

A

Sterilization

43
Q

Phenolic compounds

A

Decontamination (environmental)

44
Q

Sodium Hypochlorite

A

Decontamination (environmental)

45
Q

Formaldehyde

A

Tissue preservative

46
Q

Methylmethacrylate

A

Bone cement

47
Q

Fibrin glue

A

Tissue glue

48
Q

Exertion

A

Amount of physical effort needed to perform a task

49
Q

Posture

A

Critical component of musculoskeletal stress

50
Q

Metastasis

A

Spread of malignant OR cancerous cells to a local or distant area of the body

ST1 (15 decks)

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