types of disinfectants

Question 1

examples of phenolic compounds

Answer 1

phenol, cresol, halogenated diphenyl compound

Question 2

effective against vegetative forms of bacteria, not suitable for application to skin

Answer 2

phenol

Question 3

more germicidal and less poisonous than phenol. corrosive to living tissue

Answer 3

cresol

Question 4

highly effective against both positive and gram negative bacteria

Answer 4

halogenated diphenyl compounds

Question 5

kills not only bacterial cells and endospores but also fungi and viruses

Answer 5

chlorine

Question 6

rapidly penetrates the cells of microorganisms. it apparently disturbs a variety of metabolic function

Answer 6

iodine

Question 7

widely used disinfectants and antiseptics effective at a concentration os 60-70% in water

Answer 7

alcohols

Question 8

two most popular alcohol germicides

Answer 8

Ethyl and isopropyl alcohol

Question 9

highly reactive molecules that combine with nucleic and alkylating molecules

Answer 9

aldehydes

Question 10

that is usually dissolved in water or alcohol before use against bacteria

Answer 10

formaldehyde

Question 11

used for sterilization of large volume of heat-sensitive disposable items

Answer 11

gases

Question 12

such are detergents are the substances that alter energy relationship at interfaces producing a reduction

Answer 12

surface active ingredient

Question 13

includes halogens. good disinfectants and antiseptics but are less effective in the presence of organic matter

Answer 13

oxidizing agents

Question 14

used extensively as skin and wound antiseptics

Answer 14

dyes

Question 15

soluble salts of mercury, silver, copper. have antibacterial activity

Answer 15

heavy metals

Question 16

germicidal in nature. they kill microorganisms by hydrolysis and altering the pH of the medium

Answer 16

acids and alkalis