steri and disin

Question 1

It is a complete destruction or elimination of all forms of microbial life including bacteria’s viruses fungi any spores

Answer 1

Sterilization

Question 2

Reduction of the number of pathogenic microorganisms on sir face or in animate object to a level considered safe or public health

Answer 2

Disinfection

Question 3

Six physical methods to and he beat microbial growth

Answer 3

Heat pressure desiccation radiation sonic disruption filtration

Question 4

It is most efficient practical and inexpensive method for in animate object and materials that can with stand high temperature

Answer 4

Heat

Question 5

It kills by coagulating proteins

Answer 5

Heat

Question 6

Factors in heat

Answer 6

Heat and time

Question 7

The higher the temperature the shorter the time required to kill the organisms

Answer 7

True

Question 8

It is the lowest temperature that will kill all organisms in a standardize pure culture within a specified period.

Answer 8

Thermal death point

Question 9

The link of the time necessary to sterilize if your culture at a specified temperature

Answer 9

Thermal death time

Question 10

Kills by oxidation

Answer 10

Dry heat

Question 11

coagulation accompanied by hydrolysis

Answer 11

Moist heat

Question 12

Example of dry heat

Answer 12

Hot air oven and incineration

Question 13

temp in Hot air oven within for 2 hours

Answer 13

160°C to 165°C

Question 14

Temperature in Hot air all then for one hour

Answer 14

170° to 180°C

Question 15

It is a type of dry heat for metals glassware some powders audience and waxes

Answer 15

Hot air Ovan

Question 16

Is it a type of dry heat for contaminated disposable materials

Answer 16

Incineration

Question 17

Four wire loops, wire needles, four steps, mouth of tube media and dream of petri dishes

Answer 17

Flaming

Question 18

Example of moist heat

Answer 18

Autoclave boiling fractional sterilization inspissation pasteurization

Question 19

Celsius and minutes in boiling

Answer 19

100°C for 15 to 30 minutes

Question 20

Type of moist heat that kills vegetative forms but not spores and viruses

Answer 20

Boiling

Question 21

It uses steam under pressure

Answer 21

Auto clave

Question 22

Principle of autoclave

Answer 22

121°C at 15 psi for 15 to 30 minutes

Question 23

It steams for 30 minutes for three consecutive days

Answer 23

Fractional sterilization

Question 24

inspissation princple

Answer 24

75 to 80°C for two hours for three successive days

Question 25

It does not kill microorganisms but it slows down their metabolism

Answer 25

Cold

Question 26

It is slows down the growth

Answer 26

Refrigeration

Question 27

It is not used because ice crystals are formed

Answer 27

Snow freezing

Question 28

It uses nitrogen and for preservation

Answer 28

Rapid freezing

Question 29

It places bacteria under suspended animation

Answer 29

Rapid freezing

Question 30

Foods may be preserved by drying

Answer 30

Desiccation

Question 31

Example of desiccation

Answer 31

n gonorrhea and MTB

Question 32

It is for prevention of food spoilage, sterilization of heat sensitive equipment and preparation of vaccine

Answer 32

radiation

Question 33

Four types of radiation

Answer 33

Sunlight, UVR, x-rays, gamma rays

Question 34

It is a type of registration that kills only those exposed to direct sunlight

Answer 34

Sunlight

Question 35

It is a type of registration which uses UV lamp or germicidal lamp

Answer 35

UVR

Question 36

It may be placed in the rooms, cabinets containing instruments, close equipment, liquid and other in animate object

Answer 36

You VR

Question 37

It is a type of registration which reduces number of microorganisms in the air

Answer 37

You VR

Question 38

Disadvantages of UVR

Answer 38

DNA replication is inhibited, form thymine dimers, can damage the cornea and skin and do not penetrate load blast and metals

Question 39

It is a type of graduation with higher energy on higher penetrating power that UV

Answer 39

X-rays

Question 40

It produces hydroxyl radicals by the hydrolysis of water

Answer 40

X-rays

Question 41

It breaks covalent bonds on the DNA

Answer 41

X-rays

Question 42

It breaks covalent bonds on the DNA

Answer 42

X-rays

Question 43

spores resistant due to its low water contents

Answer 43

X-rays

Question 44

Gamma rays is from

Answer 44

Cobalt 60

Question 45

Can be used to process chicken and red meat

Answer 45

Gamma rays

Question 46

It is for food processing

Answer 46

Gamma rays

Question 47

Gamma rays may kill what bacteria in chickens

Answer 47

Salmonella and campylobacter

Question 48

Three mechanical methods

Answer 48

Sonic vibration, trituration, agitation

Question 49

It is a mechanical method that uses sound waves

Answer 49

Sonic vibration

Question 50

It is a mechanical method that uses grinding

Answer 50

trituration

Question 51

It is a mechanical method that uses shaking

Answer 51

agitation

Question 52

This method that disintegrate bacteria

Answer 52

Mechanical methods

Question 53

It used to separate cells larger viruses bacteria and certain other microorganisms from the liquid or gases in which they are suspended

Answer 53

Filtration

Question 54

It is by plasmolysis

Answer 54

Osmotic pressure

Question 55

Immersion of meat in salt solution

Answer 55

Osmotic pressure

Question 56

Fruits and vegetables in sugar solution

Answer 56

osmosis pressure

Question 57

4 variables of diinfection

Answer 57

Concentration time temperature and pH

Question 58

Increased concentration and increased time equals

Answer 58

decreased survivor

Question 59

It refers to two water soluble chemical compounds

Answer 59

Alcohol: Ethel alcohol and isopropyl alcohol

Question 60

It is a chemical method that do not destroy bacterial spores

Answer 60

Alcohol

Question 61

Available as liquid or solid

Answer 61

Hypochlorite

Question 62

They have a broad spectrum of anti-microbial activity

Answer 62

Hypochlorite

Question 63

It is used as a disinfectant and stare lunch in both it’s liquid and gas was states

Answer 63

Formaldehyde

Question 64

Weight of formaldehyde

Answer 64

37%

Question 65

It is a water-based solution called

Answer 65

Formalin

Question 66

It is a high-level disinfectant and chemical sterilant

Answer 66

Glutaraldehyde I love

Question 67

Can we use both as anti-septic’s and disinfectant

Answer 67

iodophores

Question 68

It is a combination of iodine and a solubilizing agent or carrier

Answer 68

iodophores

Question 69

Other name of peracetic acid

Answer 69

Peroxyacetic acid

Question 70

It has a rapid action against all microorganism

Answer 70

peracetic acid

Question 71

It is the derivatives of Pheols

Answer 71

Phenolics

Question 72

What concentration if it acts as a gross protoplasmic poison

Answer 72

High concentration of phenolics

Question 73

What concentration in phenolics if inactivation of essential enzymes distance and leakage of Ascension metabolites from the cell wall

Answer 73

Low concentration

Question 74

It kills other bacteria except MTB

Answer 74

Malachite green

Question 75

Mala site green kills other bacteria except

Answer 75

MTB

Question 76

Is for sterilization of heat sensitive equipment

Answer 76

Etheline oxide

Question 77

It is the most affective cold a sterilization technique

Answer 77

Etheline oxide

Question 78

It is a surfactant interact with the lipid in the cell membrane and with surrounding water increases the surface tension

Answer 78

detergents or soaps

Question 79

Used for prophylaxis of conjunctivitis of the newborn topical therapy of for burns wounds and bonding to in Reading catheters

Answer 79

Silver

Question 80

Inactivation of bacteria on the stainless steel

Answer 80

Zeolite ceramic coatings with zinc and silver

Question 81

Used for environmental control, disinfection of water, or are use of all medical devices

Answer 81

Silver iron and copper

Question 82

fungicide against aspergillus

Answer 82

Copper eight quinolinolate

Question 83

for legionella disinfection

Answer 83

Copper silver ionization

Question 84

It is a high-level disinfectant

Answer 84

ortho-phthalaldehyde

Question 85

Solution is a clear pale blue liquid with a pH of 7.5

Answer 85

OPA

Question 86

OPA pH level

Answer 86

7.5

Question 87

It contains 0.55% of

Answer 87

1,2 benzenedicarboxaldehyde

Question 88

It is a dehydrating agent is less bactericidal than mixtures of alcohol and water

Answer 88

Absolute Ethel alcohol

Question 89

Formaldehyde limits the exposure of

Answer 89

Carcinogen

Question 90

Pro long exposure of formaldehyde can lead to

Answer 90

Contact dermatitis

Question 91

They are not is sporicidal

Answer 91

Acidic Glutaraldehyde

Question 92

Example of preservative or disinfectant

Answer 92

thimerosal

Question 93

Example of an anti-septic of organic mercurials

Answer 93

mercurochrome

Question 94

Example of detergent or soaps

Answer 94

Quaternary ammonium

Question 95

First germicide used by Mr. Lister

Answer 95

Phenolics