(Midterm) Powder/Granules

Question 1

Finely divided powders introduced into the body cavities such as ears, nose, throat, tooth sockets and vagina.
a. Dusting powder
b. Douche powder
c. Insufflation

Answer 1

1,2,3, are correct answers

Question 2

Effervescent granulated salts usually contain

Answer 2

Sodium bicarbonate, citric acid and tartaric acid

Question 3

In preparing effervescent granulated salts, which of the following statement/s hold/s true?
a. Effervescent granules can be prepared using two methods, the dry and wet methods.
b. The effervcence from the released CO2 serves to mask the bitter or salty taste of drugs.
c. Using tartaric acid as the sole acid would result in a sticky mixture which is difficult to granulate.

Answer 3

1 & 3

Question 4

Method used or blending powders wherein the different ingredients are enclosed in a rotating container to effect mixing

Answer 4

Tumbling

Question 5

Powders disperse and dissolve more readily than compacted dosage forms because

Answer 5

Have a greater surface area

Question 6

This type dosage form is designed to release the drug form at a time other than promptly after administration

Answer 6

Delayed release

Question 7

Impalpable powders have a particle size of less than;

Answer 7

74 microns

Question 8

Powders containing deliquescent and hygroscopic materials should be wrapped in what kind of paper?
1. Vegetable parchment
2. Glassine paper
3. Waxed paper

Answer 8

2 and 3

Question 9

A comminution process where a suitable agent, usually a non-solvent, is added to the powder to form a paste then rubbing or grinding the paste in a mortar.

Answer 9

Levigation

Question 10

Efflorescent powders when triturated or stored in low humidity release

Answer 10

water

Question 11

This method is used when a small amount of potent substances is to be mixed with a large amount of diluents.

Answer 11

geometric dilution

Question 12

Statements concerning bulk powders
1. Oral powders are mixed with water or other beverages before swallowing
2. Douche powders are dissolved in warm water for vaginal use
3. Dusting powders include topical anti-infectives, antifungals and antiperspirants
4. I, II and III are correct

Answer 12

1,2,3 are correct

Question 13

Triturations are dilutions of potent powdered drugs prepared by intimately mixing them with a suitable diluent in a definite proportion by weight. The proportion of the potent drug to the diluent is

Answer 13

1:10

Question 14

The gas evolved when effervescent powders dissolve in water is

Answer 14

Carbon dioxide

Question 15

Which of the following products are not classified as dispensed powder and granules?
a. Lozenges
b. Insufflations
c. Dentrifices
d. Douches

Answer 15

Lozenges

Question 16

Divided powders are also known as

Answer 16

Chartula

Question 17

Which is a major advantage of powders and granules?

Answer 17

They can mask unpleasant tastes

Question 18

Which of the following powders can be classified as bulk powders?
1. Douche
2. Dusting powder
3. Insufflation

Answer 18

1,2,3

Question 19

This type of dosage form allows a reduction in dosing frequency to that presented by a conventional dosage form.

Answer 19

extended release

Question 20

Geometric dilution:
1. Is employed in comminuting powders
2. Is employed in mixing small amount of potent drug with a large amount of diluents
3. Can be performed when trituration method of mixing powder is used

Answer 20

2,3 are correct