General Test Flashcards

(43 cards)

1
Q

Water usage per RV per day

A

100

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2
Q

Density of a public beach

A

50sqft per person

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3
Q

Mass gatherings need

A

1 toilet per 100 people

1 drinking fountain per 500 people

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4
Q

Infection control measures when applying tattoos

A

autoclave, hand washing, spore tests, universal precautions, biohazard containers

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5
Q

sterilization

A

the process of making something free from bacteria or other living microorganisms

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6
Q

disinifection

A

the process of cleaning something, especially with a chemical, in order to destroy bacteria

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7
Q

sanitization

A

to make clean and hygienic

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8
Q

lyme disease aka

A

Borellia Burgdorfer

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9
Q

types of ticks

A
american dog
rocky mountain wood
deer tick (Ixodes)
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10
Q

Spotted fever aka

A

Dermacenter variabilis

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11
Q

Dengue fever aka

A

moszuitoes Aedes aegypti

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12
Q

Breakbone fever

A

severe bone/joint pain

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13
Q

Symptoms of myiasis in children

A

a maggot in the nose (blow fly)

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14
Q

shistosomiasis sequence of development

A

egg, sporocist, moves to lungs, liver….worms, then migrates to veins, produce eggs in feces

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15
Q

Giardia is a

A

protozoa

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16
Q

Most common infectios agens in swimming pools are

A

E. coli
Cryptosporidium
Shigella

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17
Q

Which is the slowest acting pool filter

A

cartridge

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18
Q

The maximum temperature for a hot tub is

19
Q

sewage treatment sequence

A

Coagulation>flocculation>sedimentation>filtration>chlorination

20
Q

How much soil should be used to cover a landfill on a diaily basis?

21
Q

Hazardous wastes include

A

chemical, biological, flammable, ignitable, explosive, corrosive, reactive (oxidizing), toxic, infectious, radioactive

22
Q

denisity of vapor for Hazwoper is in what units

23
Q

The Ringleman chart is used to determine

A

opacity of smoke

24
Q

A Psychrometer measures

A

temperature/humidity

25
The minimum distance between prison beds is
4ft
26
The allowable noise in dB in prisons is
70 dBA during the day and 45 dBA at night
27
What is crowding?
<40sqft/person
28
silicosis is caused by
rock dust
29
what is the slope of a wheelchair ramp
1:12 maximum
30
stream pollution zones from source to downstream
zone of degradation > Zone of decomposition > Zone of recovery
31
what are indcators of polluted water
high dissolved oxygen (BOD demand)
32
coliforms are indicators of
fecal contamination pollution
33
what is the time of septic tank retention
1-3 days
34
what temperature and duration should hospital laundry be dried at?
160-167 for 25 minutes
35
RCRA
Hazardous Waste (cradle to grave)
36
CERCLA
superfund
37
Positive pressure air flow
non infectious | room > hallway
38
negative pressure air flow
infectious | hallway > room
39
what is a characteristic of ionizing radiation
no proton
40
what medium can be used to stop alpha particles?
paper
41
what medium can be used to stop beta particles
aluminum foil
42
total time for handwashing
20s
43
temp for holding eggs
45 degrees F