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WorksheetsDDS Powders/Granules/Capsules
Total questions: 87
Worksheet time: 47mins
A mixture of finely divided drugs from comminution of chemicals in dry form
Powder
Granules
Capsule
Tablet
Powder may be used internally or externally
True
False
Which of these are the advantages of powders
Flexibility of conpoinding
Good chemical stability
Rapid dispersion of ingredients
Inaccuracy of do
Particle size of powder
0.1 to 10 micron
0.2 to 10 micron
0.3 to 10 micron
0.4 to 10 micron
Size of particles are often expressed as a number which corresponds to Mesh screen size
True
False
Screen size indicates the number of openings in the mesh screen per inch
True
False
Medicated powders usually present in large quantities
Bulk powder
Divided powder
Known as chartula/chartulae
Bulk powder
Divided powder
Dispensed in individualized doses
Bulk powder
Divided powder
Continuous rubbing or grinding of the powder in a mortar and pestle
Trituration
Levigation
Pulverization by intervention
Often used to prevent a gritty feel when solids are incorporated into dermatologic or opthalmic ointments and suspensions
Trituration
Levigation
Pulverization by intervention
Which of these are used as levigating agent
Mineral oil
Glycerin
Alcohol
Acetone
Product becomes solid when adding a levigating agent
True
False
Uses an additional materials in which the material is soluble
Trituration
Levigation
Pulverization by intervention
Examples of volatile solvent
Glycerin
Mineral oil
Acetone
Alcohol
4 ways of comminuting
Trituration
Levigation
Pulverization by intervention
Mechanically by grinder and mill
We use geometric dilution for non potent preparations
True
False
Use ____ mortar with a rough inner surface if comminution is desired
Porcelain or ceramic
Glass mortar
Preferable for chemicals that stain a porcelain or ceramic surface
Glass mortar
Ceramic or porcelain mortar
Useful for solid substances that liquefy or form eutectic mixtures
Tumbling
Spatulation
Trituration
Sifting
___ pfevents eutexia with aspirin, phenylsalicylate, and ofher troublesome compounds
Tartaric acid
Salicylic acid
Silicic acid
Citric acid
Geometric dilution ensures uniform distribution
True
False
Results in light, fluffy product
Spatulation
Trituration
Sifting
Tumbling
Process of mixing powders in a large container rotated by a motorized process
Sifting
Tumbling
Trituration
Spatulation
How do we divide powders?
Block and divide method
Block and multiply
An opaque paper with no moisture-resistant property
Vegetable parchment
White bond paper
Glassine paper
Waxed paper
A thin, semi-opaque, moisture resistant paler
Vegetable parchment
White bond paper
Glassine paper
Waxed paper
A glazed, transparent, moisture-resistant paper
Vegetable parchment
White bond paper
Glassine paper
Waxed paper
Transparent water proof paper
Vegetable parchment
White bond paper
Glassine paperr
Waxed paper
Dosage form composed of dry aggregates of powder particles
powders
granules
capsules
good choice for compressing tablet
powders
granules
why granules are good choice for compressing tablet?
because they flow well
less stable
due to less surface area, granules are more stable and less likely to harden
true
false
powders are difficult to make solution
true
false
poor compressibility
granules
powder
generate less dust on handlingp
powders
granules
more uniformity of content dosing
granules
powders
relatively simple method of processing/formilation
powder
granule
heating the ingredients sufficiently to drive off water of hydration from the uneffloresced citric acid
dry method
wet method
addition of small amounts of water to the dry salts to obtain workable mass
dry method
wet method
loose firmness and crumble
citric acid
tartaric acid
sticky and diff to granulate
tartaric acid
citric acid
ratio of citric acid and tartaric acid
1:1
1:2
2:1
synonym for dibasic sodium phosphate
(a)
use of sodium phosphate
analgesic
antithrombotic
antipyretic
saline laxative
method of preparation for sodium phosphate
block and divide method
dry fusion method
punch method
appropriate container for granules
wide mouth bottle
resealable plastic
empty capsule shell
storage condition for granules
protect it against humidity and air
store at room temperature
store at cool temperature
API of sodium phosphate granule
sodium phosphate
sodium bicarbonate
citric acid
tartaric acid
solid dosage form in which the drug substance is enclosed in either a hard or soft, soluble container or shell of a suitable form of gelatin
granule
capsule
tablet
powder
types of capsule
hard gelatin capsule
soft gelatin capsule
a soft, globular, gelatin shell thicker than HGC
hard gelatin capsule
soft gelatin capsule
capsule is more preferred than tablet
true
false
consists of two sections
cap
body
head
tail
obtained by the partial hydrolysis of collagen dervied from the skin, white connectice tissue, and bones of animals
Gelatin
capsule
tablet
granule
obtained from bones and animal skins by alkaline processing
type A gelatin
type B gelatin
referred to ad "soft-elastic capsule"
hard gelatin capsule
soft felatin
cellulose materials for vegetarian (gelatin component)
type A
type B
hydroxypropyl cellulose
components of empty gelatin shells are made up of:
gelatin
sugar
water
colorants
opacifying agents
water from capsule ranges from
(a)
colorants have:
water soluble dyes
oil dye
pigment
color
example pf water soluble dye
iron oxide
erythrosine
example of pigment
erythrosine
magnesium oxide
iron oxide
titanium dioxide
makes the capsule opaque to provide protection against light
gelatin
water
opacifying agent
colorant
example of an opacifying agent
iron oxide
titanium dioxide
erythrosine
magnesium oxide
the USP permits the use of ___to prevent decomposition of manufacture
0.15% sulfur dioxide
0.25% sulfur dioxide
0.35% sulfur dioxide
the cap os meant to enclose the powder
true
false
common fillers used for hard gelatin capsuke
lactose
iron oxide
erythrosine
titanium dioxide
smallest capsule size
000
1
00
5
Mostly added lubricant on capsules
Lactose
Iron oxide
Titanium oxide
Magnesium stearate
Magnesium stearate is water proof (delays absorption of the process)
True
False
Wetting agent is added in the preparation of capsule
True
False
Example of wetting agent
Titanium dioxide
Magnesium stearate
Sodium lauryl sulfate
check if capsules have been filled
locked
uniformity
extent of fill
hard capsules should be stored kn ___ container
well-closed contianer
tightly closed container
ensures that prpduct is tightly closed and locked
uniformity
extent of fill
locked
checks for uniformity in appearance and color
uniformity
extent of fill
locked
more moisture
soft gelatin capsule
dry-filled capsule
hard gelatin capsule
soft elastic capsule
when humidity is low, the capsules become brittle
true
false
when humidity is high, capsules become
flaccid and shapeless
true
false
storage at high temperatures do not affect the quality of hard gelatin capsule
true
false
SEC contains more moisture than hard gelatin
true
false
common added preservatives for capsule
parabens
glycerin
sorbitol
inside soft gelatin capsule, you can add
paste
dried powders
perforated tablet
soft gelatin are prepared by
gelatin (35-45%)
plasticizer (15-25%)
water (40%)
water is made up of
35-45%
15-25%
40%
Dosage form composed of dry aggregates of powder particles
powders
granules
capsules
