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Biochemistry for Nursing > Unit 1: Laboratory > Flashcards

Unit 1: Laboratory Flashcards

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1
Q

Why is laboratory safety important?

A

To prevent adverse health effects from exposure to chemicals
Prevent exposure from organisms, diseases, etc.
Prevent equipment and glassware hazards.

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2
Q

How microorganisms are transmitted.

A

Biological Hazards`

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3
Q

What is required for biological hazards?

A 
Continuous link between an agent
Reservoir
Portal of Exit
Means of transmission
Portal of Entry
Susceptible host
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4
Q

The location of potentially harmful microorganisms

A

Reservoir

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5
Q

What are the means of transmission?

A 
Direct Contact
Airborne
Droplet
Vehicle
Vector
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6
Q

Who created the Standard Precaution guide?

A

Center for Disease Control and Prevention (CDC)

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7
Q

Fire Type Class A

A

Wood, Paper, Clothing

Extinguisher: Water

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8
Q

Fire Type Class B

A

Flammable organic chemicals

Extinguisher: Dry Chemicals, carbon dioxide, foam

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9
Q

Fire Class Type C

A

Electric

Extinguisher: Dry chemicals, carbon dioxide, or halon

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10
Q

Fire Type Class D

A

Combustible Metals

Extinguisher: Sand or dry powder / dry chemicals

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11
Q

Fire Type Class K

A

Grease, oil, fats

Extinguisher: Liquid designed to prevent splashing and cool the fire.

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12
Q

Class E

A

Bombs

Extinguisher: Detonation

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13
Q

Who created the Hazardous Material Symbol?

A

NFPA (National Fire Protection Association)

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14
Q

Blue square of the HMS

A 
Health Hazard
4 - Deadly
3 - Extreme Danger 
2 - Hazardous
1 - Slightly Hazardous
0 - Normal Material
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15
Q

Red square of the HMS

A 
Fire Hazard
4 - Below 73 F
3 - Below 100 F
2 - Below 200 F
1 - Above 200 F
0 - Will not burn
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16
Q

White square of the HMS

A 
Specific Hazard
ACID - Acid
ALK - Alkali
COR - Corrosive
OX - Oxidizer
Radiation Symbol - Radiation HAzard
W - Use no Water
17
Q

Yellow square of the HMS

A 
Instability Hazard
4 - May Detonate
3 - Shock and Heat
     May Detonate
2 - Violent Chemical Change
1 - Unstable if Heated
0 - Stable
18
Q

What should you do doing fire?

A

Rescue
Activate
Contain
Evacuate / Extinguish

19
Q

How to use a fire extinguisher

A

Pull
Aim
Squeeze
Sweep

20
Q

Detailed description of the properties of a chemical substance, the potential health hazards, and the safety precautions that must be taken when handling it.

A

Material Safety Data Sheet

21
Q
  • Primary heat source in the laboratory

- Operates on combustion of methane and oxygen

A

Bunsen Burner

22
Q

Who invented the Bunsen Burner?

A

Robert Bunsen and Peter Desaga

23
Q

What is the modification of the Bunsen burner?

A

Tirril Burner

24
Q

Combustion of methane and oxygen in order to produce heat

A

Complete Combustion

25
Q
  • Reaction has no sufficient oxygen

- Forms soot and toxic carbon monoxide

A

Incomplete Combustion

26
Q
  • Bright yellow in color
  • Produces a lot of light
  • Produces Soot
  • Has four zones
  • Moderately hot
A

Luminous Flame

27
Q
  • Blue in color
  • Produces less light
  • Does not produce soot
  • Has three zones
  • Very hot
A

Non-Luminous Flame

28
Q

Name Common Lab Operations

A

Transferring of liquids

Transferring of solids

29
Q

Name Experimental Procedures

A 
Heating in a Test Tube
Heating in a Beaker
Decantation
Precipitation
Filtration
Evaporation
30
Q

The process of pouring a liquid gently so as not to disturb a solid in the bottom of the container

A

Decantation

31
Q

Formation of a separable solid substance from a solution

A

Precipitation

32
Q

Pouring a mixture onto a membrane (filter paper) that allows the passage of liquid (filtrate) and results in the collection of the solid.

A

Filtration

33
Q

Process of a substance in a liquid state changing to a gaseous state due to an increase in temperature and/or pressure.

A

Evaporation

Biochemistry for Nursing (10 decks)

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