Top 250+ Solved Physical Pharmaceutics 2 MCQ Questions Answer
Q. For oral administration of a suspension to a patient, which one of the factors is the most important?
a. acceptable color and odour
b. polyumorphism
c. specific surface area
d. viscosity
Q. Which one of the following properties is applicable to suspensions?
a. Brownian movement
b. laminar flow
c. rapid rate of sedimentation
d. strokes’ law
Q. Suspended particles become flocculated in a suspension, because:
a. attractive forces between particles are appreciable
b. particles are packed closely
c. repulsive forces between particles are appreciable
d. vehicle rejects the particles
Q. Structured vehicle is included in the formulation of a suspension, in order to:
a. decrease the interfacial tension
b. prevent the caking of the sediment
c. prevent the sedimentation of particles
d. reduce the size by chemical me
Q. In the preparation of a structured vehicle, which one of the following substances is used?
a. bismuth subnitrate
b. ethyl alcohol
c. glycerin
d. methyl cellulose
Q. Which type of colloidal material is used commonly in the preparation of a structured vehicle?
a. association
b. hydrophilic
c. hydrophobic
d. inorganic
Q. A maximum sedimentation volume will be obtained when zeta potential is:
a. negative
b. neutral
c. positive
d. zero
Q. A substance is dissolved in water. The suspension has exhibited a negative apparent zeta potential.Identify the related substance.
a. aluminum chloride
b. bismuth subnitrate
c. gelatin
d. sulfaguanidine
Q. Calcium hydrogen phosphate is dissolved in water. The apparent zeta potential initially is:
a. negative
b. neutral
c. positive
d. zero
Q. Which one of these preparations is NOT qualified as a suspension.
a. barium meal for radiodiagnostic use
b. calamine lotion for antiseptic use
c. procaine penicillin G for intramuscular injection
d. vitamin B complex tonic as nutritional supplement
Q. The ratio of the ultimate volume of sediment to the actual volume of sediment before settling is called
a. Sedimentation volume
b. Degree of flocculation
c. Emulsification volume
d. phase volume ratio
Q. The ratio of the sedimentation volume in case of flocculated suspension to the sedimentation volumein case of deflocculated suspension is called
a. Sedimentation volume
b. Degree of flocculation
c. Emulsification volume
d. phase volume ratio
Q. The size of dispersed particles in coarse dispersion ranges from
a. 1 µm to 100 µm.
b. 1 nm to l00nm
c. 1mm to 100cm
d. Less than 1 µm
Q. Which of the following are the desired features of good suspension:
a. The particles which settle down should not deposit at the bottom as hard cake. They must be easily re-suspended by moderate shaking.
b. It should be free from grittiness.
c. It should be stable in case of physical, chemical and microbial attack.
d. All of the above