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95 Cards in this Set
- Front
- Back
_______ are used to store and ship compressed or liquid medical gases.
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gas cylinders
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The design, manufacture, transport, & use of these cylinders by this federal agency.
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Dep. of Trans.(DOT)
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Most gas cylinders are made from __________.
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Seamless steel
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Small gas cylinders may also be made of _______.
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Aluminum
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Medical gas cylingers are marked with metal stamping on the _____.
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Shoulder
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The stamping indicates the size, normal filling ______, serial number, ownership, & method of manufacture.
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pressure
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The results of pressure testing as well as interval of testing are stamped ____.
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to the right of the other cylinder information.
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The color code for Oxygen is __.
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Green
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The color code for Carbon dioxide is ___.
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Gray
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The color code for Nitrous oxide is ___.
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Blue
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The color code for Cylopropane(CTO) is ___.
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Orange
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The color code for Helium is ___.
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Brown
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The color code for Ethylene (ETO) is ___.
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Red
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The color code for Carbon dioxide is ___.
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grey/green
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The color for heliox is ___.
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brown/green
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The color for Nitrogen is ____.
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black
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The color for air is ____.
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Yellow
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The color for Nitrogen-oxygen is ___.
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black/yellow
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The color for Nitric oxide is ___.
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aqua
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Vaccume systems historically are identified with this color.
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White
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The three most commonly used gases are:
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O2, AIR & Heliox
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Cylinders range in size from H/K,G,E,D,B,A,DD,BB and AA(largest to smallest respectively). The most commonly used sizes by RT's are _________.
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H/K or E
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For safety sake, all cylinders have _______.
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high pressure relief valves
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The relief valves are designed to vent to the atmosphere if _____; this prevents tank pressure from becoming too high.
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the tank is heated
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For gas-filled cylinders, (mathmatically)the volume of gas in the cylinder is ________.
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directly proportional to its pressure.
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For liquid-filled cylinders, the gas ____ in a cylinder determines fill level.
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pressure
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when estimating the duration of gs flow, we use factors based on cylinder size. The cylinder factor for H/K is 3.14 & the factor for E is ___.
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.28
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When refering to the Gas flow in L/m, we are really talking about the patient's_____.
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O2 setting
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When reffering to the cylinder pressure at the start of therapy(psig), you would look at ____.
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the pressure gauge
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Complete this formula for calculating the durration of flow: DURRATION OF FLOW=______.
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(psig*factor)/flow (L/m)
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A full tank is at _____psig.
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2200
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When estimating durration of flow, you must always _____.
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overestimate
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Since the content of cylinders is reported in cubic feet and flow is reported in _____, a cylinder factor is used to convert the contents to liters.
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L/m
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Now, liquid containers, thow rarely used, have a different computation for durration of flow.
first you must compute the ammount of gas which is the LIQUID O2 in lbs * ________lb/L. |
860/2.5
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The second step in calculating the durration of flow for liquid containers is DURRATION=___.
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ammount of gas in the container (lt)/flow(sq ft)
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Store cylinders in racks or _____.
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chain them to the wall
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Do not store ________ in the vicinity of cylinders.
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combustable material
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Store cylinders away from ______.
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sources of heat
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Store flammable gases ________ gasses that support combustion.
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separately from
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Keep this in place if a cylinder is not in use.
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cylinder cap
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Post this near storage units.
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no smoking signs
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Where do we stor liquid O2 containers?
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In a cool, well ventilated area.
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Bedside cylinders should be ____.
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secured
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Do not use flammable materials (e.g. oil) on _____.
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regulators
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Open the cylinder valve slightly to remove ____ before attaching regulator.
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dust or debri
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Post a "no smoking" sign when __ is in use.
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O2
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_____ is used to meet the large O2 needs of health care facilities.
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Bulk Oxygen
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Bulk systems hold at least ______ cubic feet of gas.
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20,000
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Bulk O2 may be stored in _____ or _____ form.
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liquid or gas
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A Bulk system is safer and less expensive over time compared to a ____ system.
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Bank
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The primary funtion of the distribution and regulation system is to deliver O2/AIR to the bedside at a ________.
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useable pressure.
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A central piping system is used to deliver compressed gas to ____.
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all areas throught the hospital
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_______ are located throughout the system in order to shut down areas if there is a fire.
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Zone valves
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In a central distribution system, the standard psig is___.
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50
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For our large cylinders and their attachments(H,K&G) we have a safety indexed connector system called the _____.
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American Standard Safty System(ASSS)
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For low-pressure gas connectors (walls) we have a safety indexed connector system called the ___.
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Diameter-Index Safety System (DISS)
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For small cylinders and their attachments we have a safety indexed connector system called the __.
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Pin-Index Safety System (PISS)
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The DISS is color coded; ___ for O2 & ___ for AIR.
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green & yellow
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a ____ must be used to reduce gass pressure to a usable level.
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reducing valve
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A ___ is used to control flow to a patient.
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flowmeter
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A ___ controls both pressure & flow.
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regulator
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It is essential to have a certain ___ in order for our machines to work properly.
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pressure
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Standard flowmeters measure in ___.
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L/m
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Standard flow ranges from ____ L/m.
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5-15
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There are three catagories of flowmeters used; flow restrictors, bourdon gauges & Thorpe tubes. The two most commonly used are ____.
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Bourdon gauges & Thorpe tubes
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A Bourdon gauge is used with__.
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E tanks
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A Thorpe tube is used with ___.
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walls and big tanks
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The simplest and least expensive flowmeter device is a ___.
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flow restrictor
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A flow restrictor consists of a ____ calibrated to deliver a specific flow at a constant pressure.
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fixed orifice
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A Bourdon gauge is always used in combination with an ____.
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adjustable pressure-reducing valve.
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A Bourdon gauge uses a fixed orifice but operates under _____ as adjusted with the pressure-reducing valve.
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variable pressure
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A disadvantage of the Bourdon gauge is that it is not accurate when ___.
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pressure distal to the orifice changes
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An advantage of the Bourdon gauge is that it is not affected by ___.
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gravity
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A Thorpe tube is most common in ___.
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hospitals
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The Thorpe tube functions as a flow variable-orifice, _____ pressure flowmeter device.
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constant
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This device measures true flow.
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Thorpe tube
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A Thorpe tube is always attached to a _____ psig source.
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50
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The pressure compensated version of the Thorpe tube is the preferred instrument _______.
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in most clinical settings
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A disadvantage to the Thorpe tube is that it does not function if this happens.
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turned on its side
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A advantate to the Thorpe tube is that it is affected by ______.
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a change in pressure distal to the orifice
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The general goal of Oxygen therapy is to correct doccumented or suspected _____.
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acute hypoxemia
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With Oxygen therapy we can decrease the symptoms associated with _____.
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chronic hypoxemia
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With oxygen therapy we can decrease the workload hypoxemia imposes on the _____.
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cardiopulmonary system
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Another word is for acute is ___.
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sudden
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Hypoxia is the condition of low O2 in ____.
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tissue
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Hypoxemia is the condition of low O2 in ____.
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Blood
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The most common form of Hypoxemia is _____.
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COPD
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What does COPD stand for?
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Chronic Obstructive Pulmonary Disorder
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_______ carries venous blood to the lungs.
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pulmonary artery
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_______ carries arterial blood.
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pulmonary vein
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If the right side pulmonary artery does not get much blood then, the heart has to work harder, eventually resulting in _____.
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right ventricular hypertrophy
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right ventricular hypertrophy can eventually result in ____.
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cor Pulmonale
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Define cor Pulmonale.
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right heart death
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Need assesment of O2 therapy consists of three areas; specific clinical problem, clinical findings at bedside and ____.
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laboratory documentation
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When assessing O2 needs, what kind of laboratory documentation do you need?
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PaO2, SaO2 and SpO2
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