LIQUID DOSAGE FORM MCQs
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LIQUID DOSAGE FORM MCQs |
Liquid preparation of two miscible substances
Solution
Suspension
Emulsion
All
Sweetened hydro alcoholic solutions are termed as
Syrups
Elixirs
Spirits
Tinctures
Purified water , USP, is obtained by
Distillation
Ion exchange treatment
Reverse osmosis
All
Elixir containing how much % of alcohol is self-preservation
2%
50%
5%
10%
Povidone iodine is chemical complex of iodine with
Methylcellulose
PEG 300
PEG 400
Polyvinylpyrollidine
Iodine tincture contains
2% iodine crystals and 2.4 % sodium iodine
2.4% iodine crystals and 2.4 % sodium iodine
2.4% iodine crystals and 2 % sodium iodine
2% iodine crystals and 4% sodium iodine
According to IP concentration of syrup is
6.67%
8.5%
66.7%
85%
Monophasic liquid preparation used in other cavity than mouth is
Douches
Draught
Elixir
Linctuses
Sedimentation of suspension can be minimized by
Increase particle size
Decrease particle size
Increase viscosity
Both b and c
Cake formation s characteristic of
Flocculated suspension
Deflocculated suspension
Thixotropic suspension
Structured suspension
HLB value of w/o emulsion
1-3
3-6
6-9
9-12
Complete separation of two phase is
Cracking
Creaming
Sedimentation
Phase inversion
Conductivity test is negative in
o/w
w/o
both
none
Emulsion events occurs
Flocculation, creaming, breaking, coalescence
Flocculation, creaming, coalescence, breaking
Cracking, creaming, breaking, coalescence
Coalescence, breaking Flocculation, creaming
Which one is oropharyngeal formulation
Mouthwash
Syrup
Elixir
Linctus
Which of the following can be added in syrup to prevent crystallization?
Glycerin
Sorbitol
PEG
All
Which of the following is not a characteristic of flocculated system
Supernatant is clear
Forms hard cake on long storage
Rate of sedimentation is high
Re-dispersible
Not an example of wetting agents
PEG
Sorbitol
Tween
Citrate
For volatile oil ratio of oil water and emulsifying agent is
4:2:1
2:2:1
1:2:4
2:2:4
Unstable solutions can be characterized by
Precipitation
Gas formation
Microbial growth
All
What is a liquid preparation of two miscible substances called?
A solution is a liquid preparation of two miscible substances.
What are sweetened hydroalcoholic solutions called?
Sweetened hydroalcoholic solutions are termed Elixirs.
How is Purified Water, USP, obtained?
Purified water, USP, is obtained by:
- Distillation
- Ion-exchange treatment
- Reverse osmosis
- (All of the above)
What percentage of alcohol in an elixir allows for self-preservation?
Elixirs containing 10% alcohol are self-preservative.
Povidone iodine is a chemical complex of iodine with?
Povidone iodine is a complex of iodine with Polyvinylpyrrolidone (PVP).
What does iodine tincture contain?
Iodine tincture contains 2% iodine crystals and 2.4% sodium iodide.
What is the syrup concentration according to IP (Indian Pharmacopoeia)?
The concentration of syrup as per IP is 66.7%.
Which monophasic liquid preparation is used in cavities other than the mouth?
Douches are used in other body cavities apart from the mouth.
How can sedimentation of a suspension be minimized?
Sedimentation can be minimized by:
- Decreasing particle size
- Increasing viscosity
- (Both b and c)
What type of suspension forms a hard cake?
Deflocculated suspensions form a hard cake on long storage.
What is the HLB value of a water-in-oil (w/o) emulsion?
HLB value for a w/o emulsion is 3-6.
What is the complete separation of two phases in an emulsion called?
Complete separation of phases is known as Cracking.
In which emulsion is the conductivity test negative?
The conductivity test is negative in w/o emulsions.
What are the events of emulsion instability?
The correct sequence is: Flocculation → Creaming → Coalescence → Breaking.
Which one is an oropharyngeal formulation?
Mouthwash is an oropharyngeal formulation.
What can be added to syrup to prevent crystallization?
- Glycerin
- Sorbitol
- PEG
- (All of the above)
Which is NOT a characteristic of a flocculated system?
Flocculated systems do not form a hard cake, whereas deflocculated suspensions do.
Which of the following is NOT a wetting agent?
Citrate is NOT a wetting agent.
What is the standard ratio of oil, water, and emulsifying agent for volatile oils?
The correct ratio is 4:2:1.
How can unstable solutions be characterized?
Unstable solutions may show:
- Precipitation
- Gas formation
- Microbial growth
- (All of the above)