33. Which of the following is a characteristic of the parental controlled drug release system byliposomes?
a) Free flowing powders
b) Aqueous solutions
c) Lipid bilayer enclosing the drug
d) Administration of emulsions

34. Which of the following can be incorporated into a liposome?
a) Only drugs and viruses
b) Only Peptides and viruses due to similar characteristics
c) Only viruses
d) Drugs, peptides, viruses, bacteria

35. Which of the following is a characteristic of resealed erythrocytes?
a) Nonimmunogenic
b) Aqueous solutions
c) Control drug release by partitioning the drug from the oil
d) Size range 10-100 nm

36. Which of the following statement is false for osmotic pumps?
a) The pump has three concentric circle
b) The innermost is the drug reservoir
c) The drug is contained a permeable polyester bag
d) Outer most rigid rate controlling semipermeable membrane

37. Which of the following statement is true for osmotic pumps?
a) The tube is made up of stainless steel
b) The innermost is the drug reservoir in a no collapsible bag
c) The drug is contained a permeable polyester bag
d) The outer most cover is soft and easily permeable