Germicides

Question 1

Phenols

Answer 1

Denature and coagulate cellular proteins, dissolve lipids, and/or oxidize surfaces with the end result of killing/reducing microbes

Question 2

Triclosan

Answer 2

Chlorinated phenol that inhibits FA synthesis, is non- irritating but the long term effects are yet unknown
- present in antibacterial soaps

Question 3

Alcohols

Answer 3

Dissolve lipids, denature proteins, and are non toxic and non irritating
- lack true sterility and can be inactivated by organic matter

Question 4

Heavy Metals

Answer 4

Bind to cellular proteins inactivating enzymes

Question 5

Selenium

Answer 5

Antifungal properties

Question 6

Zinc

Answer 6

used in mouthwashes

Question 7

Silver

Answer 7

Used in burn ointments

Question 8

Halogens

Answer 8

Denature proteins

Question 9

Chlorine:

Answer 9

Kills microbes but is unstable in the environment and inactivated by organic matter

Question 10

Iodine

Answer 10

Less toxic than chlorine and more stable

Question 11

Chlorhexidine

Answer 11

Disrupts membranes and denatures proteins, but has a low toxicity and is used to coat medical devices

Question 12

Quats

Answer 12

detergents made of 4 organic groups bound to a nitrogen atom, with low toxicity

Question 13

Alkalating Agents

Answer 13

Denature proteins and NA, used to sterilize things with prolonged exposure

Question 14

Glutaraldehyde

Answer 14

Alkalating agent that works well in the presence of organic materials

Question 15

Ethylene/Propylene Oxide

Answer 15

Alkalating agent - highly toxic gas used to access hard to reach places