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Worksheets

NDDS

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

A lipid bilayer structure that encloses an internal aqueous volume

a)

Niosome

b)

Liposome

c)

Monoclonal antibodies

d)

Nanoparticles

2.

A non-ionic surfactant based multilamellar or unilamellar vesicular structure

a)

Microspheres

b)

Liposome

c)

Niosome

d)

Nanoparticle

3.

Which of the following is a non- erodible insert?

a)

Ocusert

b)

Collagen shield

c)

NODS

d)

SODI

4.

A prominent structure for ocular absorption of drugs

a)

Conjunctiva

b)

Choroid

c)

Sclera

d)

Cornea

5.

The polymer used in “Lacriset”

a)

Hydoxy ethyl cellulose

b)

Hydoxy Methyl cellulose

c)

Methyl cellulose

d)

Hydroxy propyl cellulose

6.

Addition of (a)   to liposomal formulation makes membrane less ordered and slightly more permeable below the phase transition

7.

Alzet is an example of _______________________ type of parenteral system.

a)

Osmotic pressure activated

b)

Vapour pressure activated

c)

Magnetically activated

d)

Hydration activated

8.

To prevent the loss of drug that has migrated into the adhesive layer during storage, this is used

a)

Release liner

b)

Rate controlling membrane

c)

Adhesive layer

d)

Backing membrane

9.

Liposomes consists of a bilayer of…………………

a)

Hydrophilic molecules

b)

Hydrophobic molecules

c)

Both a and b

d)

None

10.

Loading of the entrapped agents before/during the manufacture procedure is known as…………

a)

Pre loading

b)

Passive loading

c)

Active loading

d)

Sub loading

11.

Tip of sonicator is directly engrossed into liposome dispersion in……………

a)

Bath sonication

b)

Bath probe sonicator

c)

Bulb sonicator

d)

Probe sonication

12.

The absorption of the ophthalmic drug does not depend on which of the following?

a)

Physicochemical properties of permeating molecule

b)

Drainage of tears

c)

Output of tears

d)

Size of the eyeball

13.

The controlled drug delivery system is developed for

a)

Producing a higher extent of therapeutic action of the drug

b)

Producing a relatively uniform effect of the drug

c)

Producing localized action of the drug

d)

Reducing the frequency of dosing