Top 250+ Solved Absorption MCQ Questions Answer
Q. Which of the following will be an example of an organic suspending agent?
a. CMC
b. MC
c. Acacia
d. Carbowaxes
Q. Which one of these is not a mechanism of the working of surfactants?
a. Promote wetting by increasing the effective surface area
b. Helps in the dissolution of drug
c. Better membrane contact of the drug
d. Decrease membrane permeability
Q. PABA complex is used for the enhancement of ______________
a. Enhanced chelation
b. Enhanced dissolution
c. Enhanced membrane permeability
d. Enhanced lipophilicity
Q. The concentration of colorant does not affect the drug solubility.
a. True
b. False
c. none
d. all
Q. Suspending agent and some sugars can be used as viscosity imparters.
a. True
b. False
c. none
d. all
Q. According to the pH-partition hypothesis which one of the given options doesn’t govern theabsorption?
a. The molecular size of the drug
b. PH at the absorption site
c. Lipid solubility of unionized drugs
d. Dissociation constant
Q. Which of the following equations correct for Henderson-Hasselbach equation for weak acids?
a. PH = pKa – log (Unionized drug concentration /Ionized drug concentration)
b. PH = pKa – log (Ionized drug concentration/ Unionized drug concentration)
c. PH = pKa + log (Ionized drug concentration/ Unionized drug concentration)
d. PH = pKa + log (Unionized drug concentration /Ionized drug concentration)
Q. Which of the following equations correct for Henderson-Hasselbach equation for weak bases?
a. PH = pKa – log (Unionized drug concentration /Ionized drug concentration)
b. PH = pKa – log (Ionized drug concentration/ Unionized drug concentration)
c. PH = pKa + log (Ionized drug concentration/ Unionized drug concentration)
d. PH = pKa + log (Unionized drug concentration /Ionized drug concentration)
Q. Acids in the pKa range 2.5-7.5 are greatly affected by changes in pH making their absorption pHdependent.
a. True
b. False
c. none
d. all
Q. Which one of these is an example of a strong acid drug?
a. Diazepam
b. Ibuprofen
c. Cromolyn
d. Aspirin
Q. Which one of these is not an example of a basic drug with pKa range 5-11?
a. Cromolyn
b. Imipramine
c. Amitriptyline
d. Chloroquine
Q. Example of a drug which has PKa > 11 is ________
a. Cromolyn
b. Imipramine
c. Amitriptyline
d. Mecamylamine