Lab 1

Question 1

What are powders?

Answer 1

A single solid or a mixture of solids in a finely divided state

Question 2

What are the two dosage forms for powders?

Answer 2

Oral powders
Topical powders

Question 3

What 4 powders require special handling?

Answer 3

Efflorescent powders
Hydroscopic powders
Deliquescent powders
Pharmaceutical eutectic mixtures

Question 4

What are efflorescent powders

Answer 4

Drugs or chemicals that contain water of hydration that may be released when powders are manipulated or stored in low humidity

Question 5

What are hygroscopic powders

Answer 5

Solid drugs or chemicals that absorb moisture from the air

Question 6

What are deliquescent powders

Answer 6

Hygroscopic powders that may absorb sufficient moisture from the air to dissolve and form a solution

Question 7

What are pharmaceutical eutectic mixtures?

Answer 7

Mixtures of two or more solid substances that may liquefy when intimately mixed at room temperature

Question 8

What are some common uses for oral bulk powders

Answer 8

Antacids
Bulk laxatives
Antidiarrheal medications
Oral electrolyte mixtures

Question 9

What is a chartulae

Answer 9

Divided powders

Question 10

What is used as the primary ingredient for moth other dosage forms?

Answer 10

Powders

Question 11

When are drugs and chemicals most stable?

Answer 11

As dry powders

Question 12

How can undesired tastes of powders be concealed?

Answer 12

By enclosing the solid drugs in capsules or coated tablets

Question 13

Particle size affects _____ and _____

Answer 13

bioavailability and rate o dissolution

Question 14

Stratification can result in ____ ____

Answer 14

Inaccurate dosing

Question 15

How can particle size be determined?

Answer 15

Sieving