Biosafety and Biosecurity Flashcards

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1
Q

Preventing lab-acquired infections

A

Biosafety

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2
Q

Containment principles, technologies, and practices that are implemented to prevent the intentional exposure to pathogens

A

Biosecurity

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3
Q

It is a potential for harm

A

Hazard

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4
Q

Give the three categories of hazard

A

Chemical-can affect skin by contact
Physical- can cause injury or risks on our body
Biological- pose harm to the health of living organisms

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5
Q

Classification of biological hazard

A

Bacteria
Viruses
Fungi

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6
Q

This is the level of biological hazard that means bacteria and viruses that causes mild symptoms.

A

Level 2

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7
Q

Level of biological hazard means bacteria and microorganisms that are relatively harmless to human.

A

Level 1

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8
Q

It is a biohazard that have severe or fatal symptoms treated by vaccines.

A

Level 3

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9
Q

Can cause severe illness or death in human but not treated by vaccines

A

Level 4

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10
Q

It’s a levels of containment that used to handle microorganisms that don’t consistently cause disease in human adults

A

Biosafety level 1

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11
Q

Used to handle microorganisms that have serious illness and diseases.

A

Biosafety level 3

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12
Q

It is used to handle agents associated with human disease.

A

Biosafety level 2

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13
Q

Chemical substance produced by microorganisms that inhibits growth or kills other microorganisms

A

Antibiotics

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14
Q

Antimicrobial, inactivate proteins and most effective of all chemical disinfectants

A

Aldehydes

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15
Q

A treatment that kills or removes all living cells.

A

Sterilization

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16
Q

Reduction of microbial population to levels considered safe by public health standards.

A

Sanitation

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17
Q

A treatment that reduces total number of microbes but does not necessarily remove or kill all the microbes.

A

Disinfection

18
Q

A mild disinfectant agent suitable for use on skin surfaces

A

Antiseptic

19
Q

Damages cell components, DNA enzyme, cytoplasmic membrane

A

Physical Methods

20
Q

It kills microbes by denaturing enzymes

A

Heat

21
Q

Different physical methods

A

Heat
Temperature
Desiccation
Osmotic pressure
Filtration
Radiation

22
Q

It is the lowest temperature to kill all bacteria in 10 minutes

A

Thermal Death Point

23
Q

Time required for the cell to be killed in certain temperature.

A

Thermal Death Time

24
Q

Decreasing temperatures decreases chemical and enzyme activity

A

Low temperatures

25
Q

True or False.
Low temperature is bactericidal

A

False

26
Q

It is based on the length of time

A

Decimal Reduction Time

27
Q

Burning contaminants

A

Direct flaming

28
Q

Process of preserving heat sensitive foods

A

Pasteurization

29
Q

Oxidation at 160 degrees for 2 hours and 170 degrees for 1 hour.

A

Hot air sterilization

30
Q

Burns and physically destroys organisms

A

Incineration

31
Q

Removing water from microbes

A

Desiccation

32
Q

Application of high amount of salt or sugar

A

High osmotic pressure

33
Q

The passage of liquid or gas through a filter with pores small enough to retain the microbes

A

Filtration

34
Q

Effectiveness depends on the wavelength, intensity and duration

A

Radiation

35
Q

This is a type of radiation that use gamma rays and high energy electron beam

A

Ionizing

36
Q

Can be used alone or in solution

A

Halogens

37
Q

Type of radiation that use UV light

A

Non-ionizing

38
Q

Features proteins and dissolve lipids

A

Alcohol

39
Q

Types of antibiotic that is mainly fungal sources

A

Natural

40
Q

Chemically designed in the lab

A

Synthetic

41
Q

Chemically altered natural compound

A

Semi-synthetic