Micro

Question 1

Candida albicans

Candida parapsilosis

Answer 1

Fungi

conjunctivitis

Question 2

Klebsiella spp.

Answer 2

Gram (-) bacteria
conjunctivitis, infection
contaminant of artificial nails

Question 3

Clostridium tetani

Answer 3

Gram (+) bacteria

tetanus

Question 4

Clostridium perfringens

Answer 4

Gram (+) bacteria

gangrene

Question 5

Pseudomonas aeruginosa

Answer 5

Gram (-) bacteria

conjunctivitis, infection

Question 6

Malassezia furfur

Answer 6

Fungi

dermatomycosis

Question 7

Enterobacteriaceae

Answer 7

Gram (-) bacteria

enteritis

Question 8

Trichophyton spp.

Answer 8

Fungi

dermatomycosis

Question 9

Aspergillus spp.

Answer 9

Fungi

allergic reaction

Question 10

Gram positive bacteria

Answer 10

Staph/Strep
Enterococcus
Clostridiums

Question 11

Gram negative bacteria

Answer 11

Pseudomonas
Klebsiella
Enterobacteriaceae

Question 12

Fungi

Answer 12

C. albicans/parapsilosis
Malassezia
Trichophyton
Trichoderma
Aspergillus

Question 13

Blood agar is used to grow

Answer 13

pathogens

Question 14

Sabouraud Dextrose broth is used to grow

Answer 14

mold

Question 15

MacConkey Agar is used to grow

Answer 15

gram negative lactic fermenters

Question 16

Mold or gram (+) bacteria likely is from

Answer 16

water or raw material source

Question 17

Most common source of contamination

Answer 17

water

Question 18

Typical water treatment steps could include

Answer 18

• deionization
• distillation
• ultra-filtration
• UV 220-290
• reverse osmosis
• heat 80-100 degrees centigrade

Question 19

Examples of cleansers

Answer 19

• Strong mineral acids
• Mild organic acids
• Sufactants with solvents
• Mild alkaline
• Strong alkaline

Question 20

Strong mineral acid cleansers

Answer 20

Phosphoric

Sulfuric

Question 21

Mild organic acid cleansers

Answer 21

Glycolic

Citric

Question 22

Neutral cleansers

Answer 22

surfactants with solvents

alcohols/glycol ethers

Question 23

Mild alkaline cleansers

Answer 23

Phosphates
Carbonates
Borax

Question 24

Strong alkaline cleansers

Answer 24

Alkali hydroxides

Question 25

Sanitizer examples

Answer 25

``` Formalin Hypochlorites Chloramines Quats Iodine Alcohols Hydrogen peroxide ```

Question 26

products with low micro risk

Answer 26

>25% alcohol antiperspirants bath salts

Question 27

Nonsusceptable products

Answer 27

solvent based | anhydrous

Question 28

Microbial limit of baby products

Question 29

Microbial limit of eye products

Question 30

Microbial limit of other cosmetics

Question 31

Pathogens that must be absent

Answer 31

S. aureus P. aeruginosa E. coli

Question 32

Standard methods of preservative efficacy testing

Answer 32

CTFA M-3 USP ASTM

Question 33

Challenge preservative to test efficacy with inoculums at

Answer 33

10^6

Question 34

Rechallenge/reinnoculation at

Answer 34

28 days

Question 35

criteria for preservative acceptance

Answer 35

Bacteria log 3 reduction (99.9% reduced Aerobic plate Count at 7-14 days) Y/M 90% reduction

Question 36

Skin flora

Answer 36

Staphylococcus epidermidis P. acnes Corynebacterium xerosis

Question 37

What causes axillary odor

Answer 37

C. xerosis