Module 5 - Mock Boards Flashcards
(101 cards)
This law states that at constant pressure, the volume of a given quantity of gas varies directly with the absolute temperature.
a. Dalton’s law
b. Charles’ Law
c. Raoult’s Law
d. Henry’s Law
b. Charles’ Law
One gram of a solid drug sample required 473 mL of water to completely dissolve. Describe its solubility in water.
a. Freely soluble
b. Soluble
c. Sparingly soluble
d. Slightly soluble
d. Slightly soluble 100-1000
Long-term stability studies use zero-order reaction. This means that:
a. The rate of reaction is independent of the concentrations of the reactants
b. The rate of reaction is dependent of the concentrations of the reactants
c. The rate of reaction is proportional to
the square of one reactant or the
product
d. The rate of reaction cannot be
determined
a. The rate of reaction is independent of the concentrations of the reactants
This is a colloidal dispersion of liquid in gas.
a. Xerogel
b. Suspension
c. Aerosol
d. magma
c. Aerosol
This type of instability manifests as the
upward movement of dispersed droplets.
a. Flocculation
b. Creaming
c. Sedimentation
d. agglomeration
b. Creaming
This is the official method of particle size determination according to the USP.
a. Microscopic determination
b. Sieving
c. Sedimentation
d. Volume measurement
b. Sieving
These are powder particles that have been aggregated to form a larger particle with 0.2 to 4-mm diameter.
a. Granules
b. Nanoparticles
c. Liposomes
d. Pellets
a. Granules
HLB is a measure of:
a. Hydrogen and lithium content of a substance
b. Hydrolytic lyophilic property of colloids
c. Hydrophilic and lipophilic tendency of
surfactants
d. Hydrophobic and lipophilic tendency of
oils
c. Hydrophilic and lipophilic tendency of
surfactants
Which of the following is the effect of hypotonic solutions on human blood cells?
a. Division
b. Hemolysis
c. Crenation
d. No effect
b. Hemolysis
Which of the following is the effect of hypotonic solutions on human blood cells?
a. Division
b. Hemolysis
c. Crenation
d. No effect
b. Hemolysis
Which of the following best describes an isotonic solution?
a. It has the same pH as the blood
b. It has the same salt content and fluid
pressure as the blood
c. It has the same sodium content as the
blood
d. It has the same fluid pressure as the
blood
b. It has the same salt content and fluid
pressure as the blood
This excipient is most widely used as a
diluent
a. Lactose
b. Croscarmellose
c. Stearic acid
d. Mannitol
a. Lactose
How many mg of NaCl should be added to the following formulation to make it isotonic? (E Cocaine HCl is 0.16)
Cocaine HCl 2.0%
NaCl q.s
Purified water 30.0mL
a. 48mg
b. 174 mg
c. 222 mg
d. 96mg
b. 174 mg
This method is employed for blending of
potent substances.
a. Spatulation
b. Sifting
c. Geometric dilution
d. Pulverization with intervention
c. Geometric dilution
This hardness tester for tablets uses hand pliers.
a. Stokes-Monsanto
b. Schlueniger
c. Pfizer
d. Strong-Cobb
c. Pfizer
Which is a property of a solution that depends on the number of particles of solute dissolved in the solution?
a. pH
b. Temperature
c. Colligative
d. Surface tension
c. Colligative
This is a class of surfactant that contains
both anion and cation.
a. Amphoteric
b. Lipophilic sorbitan esters
c. Non-ionic surfactants
d. Hydrophilic-polyoxyethylene sorbitan
esters
a. Amphoteric
Which of the following will exhibit a faster rate of dissolution?
a. Crystalline
b. Hydrate
c. Amorphous
d. Solvate
c. Amorphous
Which is a unit for area?
a. cm/s
b. g/cm3
c. cm2
d. dynes-cm2
c. cm2
Which dimensions are measured for
surface tension?
a. Force and length
b. Pressure and area
c. Mass and time
d. Mass and area
a. Force and length
Which is the change in state from solid to vapor without passing the liquid state?
a. Deposition
b. Sublimation
c. Evaporation
d. Condensation
b. Sublimation
How would you prepare a 500.0 mL solution of 20.0% w/v solution of Na2CO3 (MW: 106g/mole)
a. 100.0 g Na2CO3 add 500 mL distilled water
b. 106.0 g Na2CO3, q add 500 mL distilled water
c. 106.0 g Na2CO3, qs.ad distilled water to make 500.0 mL
d. 100.0 g Na2CO3, qs.ad distilled water to make 500.0 mL
d. 100.0 g Na2CO3, qs.ad distilled water to make 500.0 mL
Calculate the %w.v of 1.0 M NaOH (MW NaOH = 40g/mole)
a. 0.0025%
b. 4.0%
c. 1.0%
d. 0.5%
b. 4.0%
This law gives the relationship between the total pressure in a mixture of gases and the partial pressure of the individual gases
a. Dalton’s law
b. Charles’ Law
c. Raoult’s Law
d. Henry’s Law
a. Dalton’s law