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bacte (microbial control)

bacte (microbial control)

26問 • 2年前

問題一覧

1

It is practiced when it is necessary to exclude all microorganisms from a particular area, so that the are will be sterile

sterile ( aseptic) technique

2

Removal of all microbial life. Accomplished by dry heat, autoclaving, gas, various chemicals (formaldehyde), and radiation.

sterilization

3

Removal of pathogens (not all organisms). Destruction of vegetative pathogens (non endosporeforming)

disinfection

4

Removal of pathogens from living tissue

antisepsis

5

Removal of microbes from a limited area

degerming

6

Lower microbial counts to safe public health levels

sanitization

7

The suffix –cide or –cidal refers to “killing”

MICROBICIDAL AGENTS

8

It is a drug or chemical that inhibits the growth & reproduction of microorganisms.

MICROBISTATIC AGENTS

9

It is a process that combines dehydration & freezing. It is widely used in industry to preserve foods, antibiotics, antisera, microorganisms & other biologic materials.

MICROBISTATIC TECHNIQUES

10

From the greek word decay or putrid, indicates bacterial contamination, as in septic tanks for sewage treatment.

sepsis

11

Is the absence of significant pathogen.

asepsis

12

Important in surgery to minimize contamination from instruments, personnel & patient.

aseptic technique

13

It is the most practical, efficient, & inexpensive method of sterilization of inanimate objects.

Application of Heat

14

Lowest temperature at which all cells in a culture are killed in 10 min.

Thermal death point (TDP)

15

Time to kill all cells in a culture.

Thermal death time (TDT)

16

Minutes to kill 90% of a population at a given temperature.

Decimal reduction time (DRT)

17

PRINCIPLE: Denaturation of proteins.

DRY HEAT

18

PRINCIPLE: It kills microorganisms by coagulating the protein.

moist heat

19

Most microorganisms are not killed

Application of Cold Temperature

20

This is a method of making liquids or gases sterile by permitting them to “filter” or pass through appropriate material.

Filtration

21

In the absence of water, microorganisms cannot grow or reproduce but can remain viable for years.

Dessication

22

The use of high concentrations of salts & sugars to preserve food is based on the effects of osmotic pressure. Molds & yeasts are capable of growing in materials w/ low moisture or high osmotic pressure.

osmotic pressure

23

Direct sunlight has a powerful germicidal action. Exposure for a sufficient time will kill spores, as well as vegetative cells.

Radiation

24

are frequently used as means of cleaning & sterilizing delicate equipment. The soundwaves mechanically dislodge organic debris on instruments & glasswares.

Ultrasonic waves

25

For “inanimate” objects. It may temporarily or permanently inhibit the growth of pathogens.

DISINFECTANTS

26

For animate preservation of skin tissue. Only reduces the number of organisms on the surface of the skin.

ANTISEPTICS

HISTOPATH (lesson 1)

HISTOPATH (lesson 1)

Kmyching · 56問 · 2年前

HISTOPATH (lesson 1)

HISTOPATH (lesson 1)

56問 • 2年前

Collection

Collection

Kmyching · 6問 · 2年前

Collection

Collection

6問 • 2年前

Histopath (somatic death)

Histopath (somatic death)

Kmyching · 25問 · 2年前

Histopath (somatic death)

Histopath (somatic death)

25問 • 2年前

fresh tissue

fresh tissue

Kmyching · 54問 · 2年前

fresh tissue

fresh tissue

54問 • 2年前

Staphylococcus

Staphylococcus

Kmyching · 7問 · 2年前

Staphylococcus

Staphylococcus

7問 • 2年前

lesson 1 (cell injury, adaptation and inflammation and repair)

lesson 1 (cell injury, adaptation and inflammation and repair)

Kmyching · 67問 · 2年前

lesson 1 (cell injury, adaptation and inflammation and repair)

lesson 1 (cell injury, adaptation and inflammation and repair)

67問 • 2年前

biopsy

biopsy

Kmyching · 14問 · 2年前

biopsy

biopsy

14問 • 2年前

autopsy

autopsy

Kmyching · 20問 · 2年前

autopsy

autopsy

20問 • 2年前

decalcification

decalcification

Kmyching · 20問 · 2年前

decalcification

decalcification

20問 • 2年前

DEHYDRATION AND CLEARING

DEHYDRATION AND CLEARING

Kmyching · 27問 · 2年前

DEHYDRATION AND CLEARING

DEHYDRATION AND CLEARING

27問 • 2年前

IMPREGNATION AND EMBEDDING

IMPREGNATION AND EMBEDDING

Kmyching · 21問 · 2年前

IMPREGNATION AND EMBEDDING

IMPREGNATION AND EMBEDDING

21問 • 2年前

TRIMMING AND SECTIONING

TRIMMING AND SECTIONING

Kmyching · 35問 · 2年前

TRIMMING AND SECTIONING

TRIMMING AND SECTIONING

35問 • 2年前

adhesive and staining

adhesive and staining

Kmyching · 43問 · 2年前

adhesive and staining

adhesive and staining

43問 • 2年前

COMMON STAINING SOLUTION

COMMON STAINING SOLUTION

Kmyching · 19問 · 2年前

COMMON STAINING SOLUTION

COMMON STAINING SOLUTION

19問 • 2年前

OTHER STAINING

OTHER STAINING

Kmyching · 26問 · 1年前

OTHER STAINING

OTHER STAINING

26問 • 1年前

H&E STAINING, MOUNTING, RINGING AND LABELLING

H&E STAINING, MOUNTING, RINGING AND LABELLING

Kmyching · 19問 · 1年前

H&E STAINING, MOUNTING, RINGING AND LABELLING

H&E STAINING, MOUNTING, RINGING AND LABELLING

19問 • 1年前

IMMUNOHISTOCHEMISTRY

IMMUNOHISTOCHEMISTRY

Kmyching · 11問 · 1年前

IMMUNOHISTOCHEMISTRY

IMMUNOHISTOCHEMISTRY

11問 • 1年前

EPITHELIAL TUMOR MARKERS

EPITHELIAL TUMOR MARKERS

Kmyching · 5問 · 1年前

EPITHELIAL TUMOR MARKERS

EPITHELIAL TUMOR MARKERS

5問 • 1年前

INTERMEDIATE FILAMENT MARKERS

INTERMEDIATE FILAMENT MARKERS

Kmyching · 6問 · 1年前

INTERMEDIATE FILAMENT MARKERS

INTERMEDIATE FILAMENT MARKERS

6問 • 1年前

NEUROENDOCRINE MARKERS and GERM CELL TUMOR MARKERS

NEUROENDOCRINE MARKERS and GERM CELL TUMOR MARKERS

Kmyching · 6問 · 1年前

NEUROENDOCRINE MARKERS and GERM CELL TUMOR MARKERS

NEUROENDOCRINE MARKERS and GERM CELL TUMOR MARKERS

6問 • 1年前

MESENCHYMAL TUMOR MARKERS

MESENCHYMAL TUMOR MARKERS

Kmyching · 5問 · 1年前

MESENCHYMAL TUMOR MARKERS

MESENCHYMAL TUMOR MARKERS

5問 • 1年前

問題一覧

1

It is practiced when it is necessary to exclude all microorganisms from a particular area, so that the are will be sterile

sterile ( aseptic) technique

2

Removal of all microbial life. Accomplished by dry heat, autoclaving, gas, various chemicals (formaldehyde), and radiation.

sterilization

3

Removal of pathogens (not all organisms). Destruction of vegetative pathogens (non endosporeforming)

disinfection

4

Removal of pathogens from living tissue

antisepsis

5

Removal of microbes from a limited area

degerming

6

Lower microbial counts to safe public health levels

sanitization

7

The suffix –cide or –cidal refers to “killing”

MICROBICIDAL AGENTS

8

It is a drug or chemical that inhibits the growth & reproduction of microorganisms.

MICROBISTATIC AGENTS

9

It is a process that combines dehydration & freezing. It is widely used in industry to preserve foods, antibiotics, antisera, microorganisms & other biologic materials.

MICROBISTATIC TECHNIQUES

10

From the greek word decay or putrid, indicates bacterial contamination, as in septic tanks for sewage treatment.

sepsis

11

Is the absence of significant pathogen.

asepsis

12

Important in surgery to minimize contamination from instruments, personnel & patient.

aseptic technique

13

It is the most practical, efficient, & inexpensive method of sterilization of inanimate objects.

Application of Heat

14

Lowest temperature at which all cells in a culture are killed in 10 min.

Thermal death point (TDP)

15

Time to kill all cells in a culture.

Thermal death time (TDT)

16

Minutes to kill 90% of a population at a given temperature.

Decimal reduction time (DRT)

17

PRINCIPLE: Denaturation of proteins.

DRY HEAT

18

PRINCIPLE: It kills microorganisms by coagulating the protein.

moist heat

19

Most microorganisms are not killed

Application of Cold Temperature

20

This is a method of making liquids or gases sterile by permitting them to “filter” or pass through appropriate material.

Filtration

21

In the absence of water, microorganisms cannot grow or reproduce but can remain viable for years.

Dessication

22

The use of high concentrations of salts & sugars to preserve food is based on the effects of osmotic pressure. Molds & yeasts are capable of growing in materials w/ low moisture or high osmotic pressure.

osmotic pressure

23

Direct sunlight has a powerful germicidal action. Exposure for a sufficient time will kill spores, as well as vegetative cells.

Radiation

24

are frequently used as means of cleaning & sterilizing delicate equipment. The soundwaves mechanically dislodge organic debris on instruments & glasswares.

Ultrasonic waves

25

For “inanimate” objects. It may temporarily or permanently inhibit the growth of pathogens.

DISINFECTANTS

26

For animate preservation of skin tissue. Only reduces the number of organisms on the surface of the skin.

ANTISEPTICS