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
👍5
Forwarded from GPAT/NIPER study point
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https://youtu.be/GVU8Gp5G5Vs
YouTube
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👍2
1. What is a pharmaceutical suspension?
Anonymous Quiz
8%
A) A solution of a drug in a solvent
69%
B) A coarse dispersion of insoluble solid particles in a liquid
20%
C) A colloidal dispersion of solid particles
3%
D) A molecular dispersion of solutes
2. Which of the following factors affect the stability of suspensions?
Anonymous Quiz
4%
A) Particle size
4%
B) Viscosity of the medium
16%
C) Density difference between dispersed phase and medium
75%
D) All of the above
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3. What is the primary purpose of a suspending agent in a suspension?
Anonymous Quiz
10%
A) To dissolve the drug completely
18%
B) To enhance sedimentation
62%
C) To prevent caking and enhance uniformity
10%
D) To increase solubility
4. Which statement about flocculated suspensions is true?
Anonymous Quiz
15%
A) They form hard cakes upon settling
78%
B) They have a faster sedimentation rate but can be easily redispersed
6%
C) They do not settle over time
2%
D) They do not require shaking before use
❤1👍1
5. Deflocculated suspensions have:
Anonymous Quiz
66%
A) Slow sedimentation but form a hard cake
27%
B) Fast sedimentation and are easily redispersible
4%
C) No settling of particles
3%
D) Low zeta potential
6. The interfacial property that affects the stability of suspensions is:
Anonymous Quiz
24%
A) Brownian motion
37%
B) Sedimentation
31%
C) Zeta potential
8%
D) Viscosity
7. Which of the following is used to flocculate suspensions?
Anonymous Quiz
12%
A) Electrolytes
17%
B) Wetting agents
66%
C) Suspending agents
4%
D) Buffers
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8. What type of forces contribute to the stability of suspensions?
Anonymous Quiz
14%
A) Electrostatic repulsion
25%
B) Van der Waals forces
4%
C) Steric stabilization
57%
D) All of the above
9. Which law governs sedimentation of particles in a suspension?
Anonymous Quiz
17%
A) Raoult’s Law
62%
B) Stokes’ Law
10%
C) Henry’s Law
11%
D) Michaelis-Menten Equation
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10. What is the effect of increasing viscosity in a suspension?
Anonymous Quiz
25%
A) Increases sedimentation rate
57%
B) Decreases sedimentation rate
5%
C) Does not affect stability
13%
D) Increases particle aggregation
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11. Which of the following is NOT a common suspending agent?
Anonymous Quiz
8%
A) Acacia
27%
B) Methylcellulose
43%
C) Talc
22%
D) Xanthan gum
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12. Which technique can be used to measure the particle size of suspensions?
Anonymous Quiz
21%
A) NMR Spectroscopy
49%
B) Optical Microscopy
13%
C) HPLC
17%
D) X-ray Diffraction