BY 206 Chapter 9 Willems Questions and Answers with Verified Solutions | Latest Update

BY 206 Chapter 9 Willems Questions and Answers with Verified
Solutions | Latest Update


QUESTION
List the 4 methods of microbial control used outside the body.

Answer:
1. Commercial Sterilization
2. Disinfection
3. Decontamination (sanitation)
4. Antisepsis (degermation)

QUESTION
*Commercial Sterilization:*

Answer:
The complete removal or destruction of all viable microorganisms including viruses and
endospores

QUESTION
*Disinfection:*

Answer:
The destruction or removal of vegetative pathogens and harmful products of microorganism
(toxins) but not bacterial endospores

QUESTION
*Decontamination:*

Answer:
The mechanical removal of most microbes and other debris to reduce contamination to safe levels
(aka sanitation)

QUESTION
*Antisepsis:*

Answer:
Chemicals applied to body surfaces (living tissues) to destroy or inhibit vegetative pathogens
*reduces number of microbes on human skin

QUESTION
What particular endospore is targeted in sterilization?

Answer:
Botulinum spores

,QUESTION
List some effective agents used for sterilization?

Answer:
-Heat (autoclave)
-Sterilants (chemical agents capable of destroying endospores)

QUESTION
List some effective agents used for disinfecting.

Answer:
-bleach
-iodine
-heat (boiling)

QUESTION
List some effective agents used for decontamination.

Answer:
-soaps
-detergents
-commercial dishwashers

QUESTION
List some effective agents used for antisepsis.

Answer:
-alcohol
-surgical hand scrubs

QUESTION
Sterilization is generally reserved for _____________ objects.

Answer:
Inanimate
*commun uses being surgical instruments, syringe, commercially packaged foods

QUESTION
Disinfectants are not typically used on human skin because...

Answer:
Concentrations to be effective are harmful to our skin

, QUESTION
What are some common uses for disinfectants?

Answer:
-boiling food utensils
-applying 5% bleach solution to an exam table
-immersing thermometers in iodine solution between uses

QUESTION
Decontamination is important to what types of commercial industries?

Answer:
-restaurants
-dairies
-breweries
-any that use large numbers of containers and utensils

QUESTION
List some common uses for decontamination?

Answer:
-cooking utensils
-dishes
-bottles
-cans (if reusing)

QUESTION
Antisepsis might commonly involve...

Answer:
Scrubbing the skin or immersing it in chemicals (or both)

QUESTION
*STUDY FIGURE 9.1*

Answer:
page 235