PHA 041 TRAD LAB P3 QUIZ
This quiz covers the topic of Liquid Dosage Forms, focusing on solutions, syrups, elixirs, tinctures, spirits, fluidextracts, emulsions, and their methods of preparation. It is intended to test your understanding of the definitions, characteristics, and applications of these pharmaceutical preparations as discussed in class.
Question 1
A liquid preparation in which one or more substances are dissolved in a suitable solvent is called:
Suspension
Solution
Elixir
Syrup
Question 2
Which of the following is NOT an advantage of solutions?
Immediate drug availability
Homogeneous dose distribution
Flexibility in dosing
Improved stability compared to SDFs
Question 3
Evaluate which of the following is/are monophasic LDFs with special use:
I. Enemas
II. Drops
III. Elixirs
One statement is correct
Two statements are correct
Three statements are correct
All of the statements are incorrect
Question 4
What is the strength of Simple Syrup USP (Syrup NF)?
65% w/w
50% w/v
75% w/v
85% w/v
Question 5
The specific gravity of Syrup NF is approximately:
1.250
1.100
1.313
1.500
Question 6
Syrups are considered self-preserving at what sugar concentration?
≥55%
≥65%
≥75%
≥85%
Question 7
Raspberry syrup is characterized in the by imparting as masking what taste?
Bitter
Sour and salty
Acidic medium
Sweetness
Question 8
Which of the following is an example of a non-medicated elixir?
Diphenhydramine elixir
Aromatic elixir
Digoxin elixir
Phenobarbital elixir
Question 9
Medicated elixirs are characterized by containing:
Alcohol only
With API
Water only
With alcohol and sugar
Question 10
The alcohol concentration of most elixirs generally ranges from:
1-3%
5-40%
20%
25-90%
Question 11
A liquid preparation where one or more substances (like sugar, salt, or a drug) are dissolved in a suitable solvent:
Admixture
Simple solution
Maceration
Percolation
Question 12
Which tincture is prepared by maceration?
Sweet orange peel tincture
Belladonna tincture
Peppermint tincture
Iodine tincture
Question 13
Component of an iodine tincture include:
2% I2 in water + NaI
2% I2 soln + 50% alc. + NaI
5% I2 in water + KI
7.5% I2 soln + 88.5% alc + KI
Question 14
Spirits are also called:
Extracts
Essences
Decoctions
Infusions
Question 15
The general method of preparing fluidextracts is:
Percolation
Maceration
Distillation
Infusion
Question 16
An emulsion is defined as:
Two-phase system of two immiscible liquids stabilized by emulsifier
A liquid preparations containing insoluble suspensoid dispersed throughout a liquid vehicle
Aqueous suspensions of large, insoluble inorganic drugs giving them a whitish color compared to gels
Dispersions intended for external application to the body
Question 17
In an O/W emulsion, the internal phase is:
Water
Oil
Gum
Surfactant
Question 18
The external phase of a W/O emulsion is:
Oil
Water
Gum
Surfactant
Question 19
Which of the following is NOT an emulsifying agent
Acacia
Soap
Lecithin
None of the above
Question 20
The following statement/s is/are TRUE regarding Wet Gum Method, EXCEPT:
I. Also called as English Method
II. Mixes oil and gum first, then add all the water at once while triturating.
III. Results in an oil-in-water (O/W) emulsion
IV. Uses 2 parts of oil: 4 parts of water: 1 part of gum
I, II
III, IV
II, III, IV
I, II, III, IV