15. Which of the following is NOT a method of emulsion preparation?
Anonymous Quiz
4%
A) Dry Gum Method
8%
B) Wet Gum Method
33%
C) Beaker Method
54%
D) Compression Method
16. Bancroft’s Rule states that:
Anonymous Quiz
45%
A) The phase in which the emulsifier is more soluble becomes the continuous phase
42%
B) The phase in which the emulsifier is less soluble becomes the continuous phase
7%
C) Emulsions should be stored in a cool place
5%
D) Emulsions should be prepared under high pressure
👍1
17. Microemulsions differ from regular emulsions in that they:
Anonymous Quiz
56%
A) Are thermodynamically stable
17%
B) Have larger particle sizes
18%
C) Require no emulsifying agents
8%
D) Have a higher viscosity
18. The function of an emulsifying agent is to:
Anonymous Quiz
16%
A) Increase solubility of the dispersed phase
78%
B) Reduce interfacial tension between two immiscible phases
4%
C) Convert an emulsion into a suspension
2%
D) Increase sedimentation
19. What is the HLB (Hydrophilic-Lipophilic Balance) range suitable for oil-in-water emulsions?
Anonymous Quiz
10%
A) 1-4
34%
B) 4-6
30%
C) 7-9
26%
D) 10-18
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20. The creaming of an emulsion occurs due to:
Anonymous Quiz
20%
A) Phase inversion
19%
B) Coalescence of droplets
55%
C) Density difference between dispersed and continuous phase
6%
D) Addition of excess emulsifier
21. Which of the following phenomena indicates irreversible instability in emulsions?
Anonymous Quiz
15%
A) Flocculation
41%
B) Coalescence
35%
C) Creaming
9%
D) Brownian motion
👍4❤1
22. Which emulsifying agent is commonly used in parenteral emulsions?
Anonymous Quiz
29%
A) Tween 80
13%
B) Span 20
43%
C) Sodium lauryl sulfate
15%
D) Magnesium stearate
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23. Which of the following helps in the stabilization of emulsions?
Anonymous Quiz
7%
A) Increase in droplet size
66%
B) Reduction in interfacial tension
17%
C) Addition of electrolytes
10%
D) Addition of a cosolvent
24. Multiple emulsions are:
Anonymous Quiz
11%
A) Formed by heating an emulsion
68%
B) Emulsions within emulsions
10%
C) Always unstable
11%
D) Not used in pharmaceutical formulations
25. The method used to assess emulsion droplet size distribution is:
Anonymous Quiz
16%
A) HPLC
23%
B) UV Spectroscopy
40%
C) Light Scattering
20%
D) Electrophoresis
GPAT/NIPER study point pinned «CUET PG PHARMACY 2024 PAPER SOLVED https://youtu.be/xGP2v4zV71s»
Forwarded from GPAT/NIPER study point
CUET PG PHARMACY 2024 PAPER SOLVED
https://youtu.be/xGP2v4zV71s
https://youtu.be/xGP2v4zV71s
YouTube
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cuet pg 2025
cuet…
Forwarded from GPAT/NIPER study point
Antiepileptic drugs pharmacology(1).PDF
9.1 MB
Antiepileptic drugs pharmacology(1).PDF
👍1
Forwarded from Amit
SEDATIVE & HYPNOTIC DRUGS (1).pdf
6 MB
SEDATIVE & HYPNOTIC DRUGS .pdf
anticoagulant, fibrinolytics, anti-platelet drugs.pdf
9.9 MB
anticoagulant, fibrinolytics, anti-platelet drugs.pdf
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