Lab #2 Solutions (Semester 2)

Question 1

Use of Dimenhydrinate in Prep #1

Answer 1

Drug
Antihistamine, Antinausea, Anti-motion sickness

Question 2

Use of 95% alcohol and glycerin in Prep #1

Answer 2

Co-solvent

Question 3

Use of simple syrup in prep #1

Answer 3

Sweetener

Question 4

Use of methylparaben and propylparaben in prep #1

Answer 4

preservative

Question 5

Use of Cherry syrup in prep #1

Answer 5

Vehicle, flavour, sweetener

Question 6

Packaging of Dimenhydrinate Solution

Labeling

Answer 6

Package in tight, light-resistant containers

Label: Protect from light

Question 7

Stability

Answer 7

4 weeks

liquid - non-preserved = 14 days
liquid - preserved = 35 days (OLD: liquid and semisolids = 30 days)

oral liquid (non-aqueous - oily) = 90 days
other non-aqueous dosage forms = 180 days

Question 8

Use for Benzocaine

Answer 8

Local Anesthetic

Question 9

Use for Benzalkonium Chloride

Answer 9

Anti-infective, preservative

Question 10

Use for Alcohol 95%

Answer 10

Cosolvent, preservative

Question 11

Use for Methyl salicylate

Answer 11

Counter-irritant/topical analgesic

Question 12

Use for Distilled water

Answer 12

Co-solvent