問題一覧
1
Sedimentation rate 2.5 um powder in water.
1.02×10-⁴
2
Barium sulfate for suspension
Rectal suspension.
3
Most good pharmaceutical suspensions?
1-50.
4
• Antacid oral suspensions, •Antibacterials, •Antiprotozoal and •Anti-inflammatory
Shake well instruction.
5
0.25 um powder un water
1.02×10-⁶
6
The rate sedimentation is high.
Flocculated.
7
The rate sedimentation is low.
Deflocculated.
8
an aggregation of particles
Flocs.
9
Pour readily and evenly from its container. (True/False)
True.
10
any additive used in substance and compounds to keep them stable, retard deterioration
Stabilizer.
11
0.25 powder in glycerin
4.25×10-¹⁰
12
Suspension in which particles have undergone flocculation.
Flocculated.
13
Has no floccules.
Deflocculated.
14
Reduction is accomplished by the use of dry milling, micropulverization (10-50 um)
Dispersed phase.
15
The solid particles is greater than 1um
Suspension.
16
Has floccules.
Flocculated.
17
Preparations containing finely divided drug particles (the suspensoid) distributed somewhat uniformly throughout a vehicle in which the drug exhibits a minimum degree of solubility
Suspension.
18
For parenteral or ophthalmic suspension
Spray drying.
19
are uniformly suspended by mechanical agitation and formulation design throughout the liquid vehicle.
External phase.
20
Form porous sediments.
Flocculated.
21
enhance particle “dispersibility”.
Flocculating agent.
22
The re-dispersion of a sediment can difficult be done by agitation
Deflocculated.
23
increases penetration by the dispersion medium
Wetting agent.
24
prevents the growth of microorganisms
Preservatives.
25
What do you call a finely divided solid dispersed
Suspended.
26
Add the dispersion medium to which other soluble components are dissolved
Prep for suspension.
27
Use colloid mills or mortar and pestle to effect thorough mixing
Prep for suspension.
28
Wet the powders using wetting agents like alcohol, glycerin, propylene glycol and other hygroscopic agents
Prep for suspension.
29
For oral suspension
Dry powders for suspension.
30
The volume of sediment is high.
Flocculated.
31
the Volume of sediment is low.
Deflocculated.
32
Refers to a two-phase system consisting of a finely divided solid dispersed (suspended) in a liquid (the dispersing medium).
Suspension.
33
2.5 powder in glycerin
4.25×10-⁸
34
Finer: < 10 um by fluid energy grinding
Jet milling.
35
What are the classification of suspension.
Oral, Topical and Parenteral Suspension.
36
Small particles reduces sedimentation rate but may pose a problem on forming hard sediment. (True/False)
True.
37
reduce sedimentation rate in the flocculated suspension
Viscosity enhancer.
38
extremely small dimensions
Spray particles.
39
Suspension particles size should remain fairly constant throughout long periods of undisturbed standing.(True/False)
True.
40
Disperse system in which solid, vehicle-insoluble particles.
Internal phase.
41
Suspension shoud settle slowly and should be readily redispersed upon gentle shaking. (True/False)
True.
42
Form non-porous sediments.
Deflocculated.
43
A finely divided drug particles.
Suspensoid.
44
Suspension in where no flocculation taken place.
Deflocculated.
45
The re-dispersion of a sediment can easily be dine by agitation.
Flocculated.