Ch 5 Sterilization & Disinfection

Question 1

What is Sterilization?

Answer 1

Is the killing or removal of all microorganisms in a material or on an object
Free of bacteria

Question 2

What is Disinfection?

Answer 2

Means reducing the numbers of pathogenic organism on objects or in materials so that they pose no threat of disease.
Most disinfectants are too harsh for use on skin.
Disinfectant are used on non-living object ex: table

Question 3

What is an Antiseptic and where do we use it.

Answer 3

Is a chemical agent that can safely be used on externally on living tissue to destroy microorganisms or to inhibit their growth
Antiseptic are use on skin

Question 4

The standard disinfectant is compared to? And what is the range?

Answer 4

Phenol Coefficient

More than 1 is better less than 1 is not effective

Question 5

In selecting a disinfectant, what qualities should be considered?

Answer 5

1. Be fast acting
2. Be effective without destroying tissues or act as poison if ingested
3. Easily penetrate material without damaging or discoloring the material
4. Be easy to prepare
5. Be inexpensive and easy to obtain
6. Not have an unpleasant odor

Question 6

An agent that inhibit the growth of bacteria is

Answer 6

Bactericide

Question 7

A varicide is an agent hay

Answer 7

Inhibit bacteria