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Medical Gas, Worksheet 4 Flashcards | StudBud
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Medical Gas, Worksheet 4
Medical Gas, Worksheet 4
31 terms
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Worksheet 4
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31 cards
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Questions
31
Answers
1
The WAGD system is joined to the med-surg vac. piping. This connection is at minimum _ ft from any vacuum inlet
3 ft
6 ft
4 ft
5 ft
2
Oxygen Concentrator Supply output shall have less than or equal to _ particulates sized _ micron or larger
1mg per cubic meter, 1
1mg per cubic meter, 0.1
1mg per cubic meter, 2
1mg, 0.01
3
An auxiliary source connection is required on an oxygen central supply using concentrators
True
False
4
Multiple vacuum pumps shall be permitted to be joined together to one common exhaust, provided said exhaust is sized to
Prevent backflow
Peak calculated demand
Manufacturer's recommendations
Minimize back pressure
5
What source shall not be used to power the venturi of a WAGD system?
Any of the above
Medical air
Inert gas
Instrument air
6
The screening for medical-surgical vacuum exhaust shall be fabricated using what type of material?
Steel wire
Any of the above
A non-corroding material
Steel mesh
7
Category 1 Medical-surgical vacuum central supply systems shall, at minimum, consist of ____ or more vacuum pumps
One
Two
Four
Three
8
The types of WAGD supply sources shall be chosen by consultation with ______
Engineers
Maintenance staff
Medical staff
Verifiers
9
Med vacuum is used for research/labs. This system shall connect through a valve and fluid trap, directly to the receiver
False
True
10
When the med-surg vac. pump in use is incapable of maintaining required vacuum, additional pumps shall ______ activate
Manually or automatically
None of the above
Automatically
Manually
11
The WAGD source shall be permitted to be located near the _____
Exhausts
Outlets
Intakes
Inlets
12
If WAGD is produced by the med-surg vac. source, total concentration of O2 and N2O shall be maintained below __%
21.5%
15.5%
19.5%
23.6%
13
Vacuum exhausts from multiple pumps can combine, provided each pump can be isolated via a ______
Blind flange
Any of the above
Check valve
Manual valve
14
Cryogenic Fluid Central supply systems shall be in accordance with NFPA 55
False
True
15
A check valve shall be provided at the outlet of the oxygen concentrator supply unit to prevent _____
Backflow
Reverse flow
Back pressure
Clogging
16
WAGD vacuum producers designed for operation below _ Hg/V shall be used only for WAGD services
3"
5"
2"
4"
17
Vacuum producers (e.g. fans/blowers) designed for operation at vacuums below 5" Hg/V shall be interconnected:
Any of the above
Determined by the manufacturer
Via piping
Via ductwork
18
A source valve is not required on the patient side of the line pressure controls of an oxygen central supply
False
True
19
The medical-surgical vacuum receiver shall be made serviceable without shutdown of the system by ______
An isolation valve where tee'd into the main line
Being valved at the end of the main line
Any method to ensure continuation of service
A three-valve bypass
20
Med-surgical vacuum supply systems shall activate _ when system not in use is less than equiv capacity of one pump
Local
Area
All of the above
Master
21
Vacuum exhaust shall be at least _ ft away from any doors/windows/air intakes
10 feet
15 feet
25 feet
20 feet
22
Medical-surgical vacuum receivers shall be made of what type(s) of materials?
Deemed by the manufacturer
Ferrous
Non-ferrous
Polymeric
23
An iso valve and automatic _ shall be provided to isolate each of the three sources from the pipeline in an Oxy. Cen Sup
Ball valve
Check valve
Actuator valve
Alarm switch
24
For an Oxygen Central supply system, the oxygen concentration monitor will signal with a concentration lower than __%
91%
92%
89%
90%
25
Cat. 1 Med-surgical vacuum central supp. sys. shall have an automatic means to prevent _ through any off-cycle vac. pump
Vacuum
Back pressure
All of the above
Backflow
26
Piping between the vacuum pump and source shutoff valve shall be permitted to be brass, galv. or black steel pipe
False
True
27
Cryogenic fluid central supply systems require 3 ft. clearance around the following:
All of the above
Manifolds
Storage containers
Vaporizers
28
In an oxygen concentrator central supply system using three sources, each source shall be permitted to be:
A cylinder header
Only A or B
An oxygen concentrator
A cryogenic fluid container header
29
A Cat. 1 dedicated WAGD source shall have _ or more producers, each sufficient to serve peak calculated demand
Four
One
Three
Two
30
Vacuum receivers shall be capable of withstanding a gauge vacuum of __ of mercury
28"
29"
32"
30"
31
If a WAGD system uses a liquid ring pump, the seal water shall be of a quality recommended by the manufacturer
False
True