Dosage exam 1 flashcards

Question 1

ethanol

Answer 1

Co-solvent

Question 2

glycerin

Answer 2

Co-solvent

Question 3

propylene glycol

Answer 3

Co-solvent

Question 4

sorbitol

Answer 4

sweetener

Question 5

sucrose

Answer 5

sweetener

Question 6

acetic acid

Answer 6

buffer

Question 7

citric acid

Answer 7

buffer

Question 8

glycine

Answer 8

buffer

Question 9

phosphoric acid

Answer 9

buffer

Question 10

ethanol

Answer 10

preservative

Question 11

benzyl alcohol

Answer 11

preservative

Question 12

benzoic acid

Answer 12

preservative and if weak, buffer (pKa 4.2)

Question 13

sorbic acid

Answer 13

preservative and if weak, bugger (pKa 4.8) (molds and yeast)

Question 14

propylparaben

Answer 14

preservative ((lipophilic absorption)) mold and yeast

Question 15

butylparaben

Answer 15

preservative ((lipophilic absorption)) mold and yeast

Question 16

methylparaben

Answer 16

preservative bacteria (lipophilic absorption)

Question 17

ethylparaben

Answer 17

preservative bacteria (lipophilic absorption)

Question 18

quaternary ammonium products

Answer 18

preservative

Question 19

benzalkonium chloride (Zephirin)

Answer 19

preservative (electrostatic absorption)

Question 20

cetyltrimethylammonium chloride (Cepryn)

Answer 20

preservative (electrostatic absorption)

Question 21

gallic acid

Answer 21

antioxidant (free radical scavengers)

Question 22

propyl gallate

Answer 22

antioxidant (free radical scavengers)

Question 23

BHA

Answer 23

antioxidant (free radical scav)

Question 24

BHT

Answer 24

antioxidant (free radical scav)

Question 25

tocopherols

Answer 25

antioxidant (free radical scav)

Question 26

Vitamin E

Answer 26

antioxidant (free radical scavenger)

Question 27

sodium bisulfite

Answer 27

antioxidant (reducing agent)

Question 28

ascorbic acid

Answer 28

antioxidant (reducing agent)

Question 29

citric acid

Answer 29

antioxidant (chelating agent) (preservative)

Question 30

EDTA

Answer 30

antioxidant (chelating agent)

Question 31

butylated hydroxyanisole

Answer 31

antioxidant (free radical scavenger)

Question 32

butylated hydroxytoluene

Answer 32

antioxidant (free radical scavenger/stabilizer)

Question 33

sorbitol solution

Answer 33

sweetener

Question 34

alkyl sulfate

Answer 34

surfactant (anionic) emulsifier

Question 35

alkylbenzene sulfonate

Answer 35

surfactant (anionic) emulsifier

Question 36

alkyltrimethylammonium bromide

Answer 36

surfactant (cationic) emulsifier

Question 37

alkulpyridinium chloride

Answer 37

surfactant (cationic) emulsifier

Question 38

alkyl betaine

Answer 38

surfactant zwitterionic emulsifier

Question 39

alkyldimethylamine oxide

Answer 39

surfactant zwitterionic emulsifier

Question 40

alcohol ethoxylate

Answer 40

surfactant nonionic emulsifier

Question 41

polyoxyethylene-polyoxypropylene-polyoxyethylene

Answer 41

surfactant nonionic emulsifier

Question 42

acacia

Answer 42

hydrophilic colloid emulsifier

Question 43

tragacanth

Answer 43

hydrophilic colloid emulsifier

Question 44

gelatin

Answer 44

hydrophilic colloid emulsifier

Question 45

bentonite

Answer 45

particle emulsifier hydrophilic O/W emulsion

Question 46

magnesium aluminum silicate

Answer 46

particle emulsifier hydrophilic O/W emulsion

Question 47

aluminum hydroxide

Answer 47

particle emulsifier hydrophilic O/W emulsion

Question 48

charcoal

Answer 48

particle emulsifier hydrophobic W/O emulsion

Question 49

contact angle less than 90 degrees

Answer 49

hydrophilic so O/W

Question 50

contact angle greater than 90 degrees

Answer 50

hydrophobic so W/O

Question 51

cetyl alcohol

Answer 51

emulsifier, thicken oil phase, thickening agent

Question 52

glycerin

Answer 52

humectant

Question 53

liquid petrolatum

Answer 53

oil phase

Question 54

water

Answer 54

aqueous phase, vehicle

Question 55

polysorbate 60

Answer 55

surfactant emulsifier

Question 56

propylene glycol

Answer 56

humectant

Question 57

sodium lauryl sulfate

Answer 57

surfactant emulsifier

Question 58

stearyl alcohol

Answer 58

emulsifier, thicken oil phase

Question 59

monobasic potassium phosphate

Answer 59

flocculating agent

Question 60

sodium chloride

Answer 60

flocculating agent

Question 61

clay

Answer 61

flocculating agent

Question 62

diluted bentonite magma

Answer 62

flocculating agent

Question 63

carboxymethylcellulose

Answer 63

flocculating agent polymer structured vehicle

Question 64

CMC

Answer 64

flocculating agent polymer structured vehicle

Question 65

methylcellulose

Answer 65

flocculating agent polymer structured vehicle

Question 66

microcrystalline cellulose

Answer 66

flocculating agent polymer structured vehicle

Question 67

polyvinylpyrrolidone

Answer 67

flocculating agent polymer structured vehicle

Question 68

xanthan gum

Answer 68

flocculating agent polymer structured vehicle

Question 69

bentonite

Answer 69

flocculating agent clay structured vehicle

Question 70

magnesium aluminum silicate

Answer 70

flocculating agent clay structured vehicle

Question 71

polysorbate 80

Answer 71

wetting agent

Question 72

Tween 80

Answer 72

wetting agent

Question 73

disodium EDTA

Answer 73

chelating agent

Question 74

potassium sorbate

Answer 74

preservative buffer

Question 75

polyparaben

Answer 75

preservative