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Chapter 7 Prt 2
Test Description: Chemical methods of destroying microbes
Instructions: Answer all questions to get your test result.
1) Heat, filtration, refrigeration, high pressure, drying, osmotic pressure, and radiation are examples of what?
A
None of these
B
Physical methods of destroying microbes
C
These are the only ways to destroy microbes
D
Chemical methods of destroying microbes
2) Phenols, bisphenols, halogens, alcohol, heavy metals, and surface agents are examples of what?
A
None of these
B
Microbial characteristics
C
Chemical methods of destroying microbes
D
Physical methods of destroying microbes
3) What are no longer used in the U.S. bcuz they are harsh and smelly?
A
Hologens
B
Surface agents
C
Phenols
D
Heavy metals
4) Some are biocidal and some are antiseptic. Also consist of silver, mercury, and copper. What am I?
A
Heavy metals
B
Surface agents
C
Halogens
D
None of these
5) This is very effective against bacteria, endospores, fungi, viruses and alters permeability of cell membrane?
A
Heavy metals
B
Halogens
C
Alcohol
D
Bisohenols
6) Iodine and chlorine are examples of what?
A
Alcohol
B
Phenols
C
Halogens
D
Bisphenols
7) What works by forming emulsifications which remove surface microbes when washed off?
A
Phenols
B
Alcohol
C
Surface agents
D
Heavy metals
8) This is an excellent degerming agent, has little antiseptic value when used alone, and breaks up skin oils?
A
Detergents
B
Chlorine
C
Alcohol
D
Soaps
9) This is effective against many bacteria and fungi but not viruses?
A
Heavy metals
B
Halogens
C
Alcohol
D
Phenols
10) pHisoHex and triclosan are examples of what?
A
Phenols
B
Surface agents
C
Bisphenols
D
Halogens
11) Bisphenols are particularly effective against what?
A
Bisphenols
B
Alcohol
C
Phenols
D
Heavy metals
12) What can cause neurological damage with repeated exposure ( especially newborn)?
A
Gram positives
B
None of these
C
All microbes
D
Gram negatives
13) When used in large amounts, this can cause a coagulated protein layer that allow the formation of biofilms?
A
Heavy metals
B
Alcohol
C
Halogens
D
Phenols
14) What is the most degerming action when using alcohol?
A
Sterilizing microbes away
B
None of these
C
Washing microbes away
D
Wiping microbes away
15) What is triclosan?
A
Agent found in food
B
Agent doesn't exsist
C
None of these
D
Agent in most plastics labeled antibacterial.
*select an answer for all questions
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