KAPS Drug Formulation and Development

Question 1

Which excipient is commonly used to enhance the dissolution rate of poorly soluble drugs?

Accepted Answer

Polyvinylpyrrolidone (PVP)

Answer

Magnesium stearate

Answer

Talc

Answer

Silicon dioxide

Question 2

What is the primary purpose of enteric coating on tablets?

Accepted Answer

To protect the drug from stomach acid

Answer

To mask the taste of the drug

Answer

To enhance drug solubility

Answer

To improve tablet hardness

Question 3

Which formulation technique is commonly used for sustained-release drug delivery?

Accepted Answer

Matrix system

Answer

Micronization

Answer

Granulation

Answer

Freeze-drying

Question 4

Why are nanoparticles increasingly used in drug delivery systems?

Accepted Answer

They enhance bioavailability and targeting.

Answer

They are cheaper to produce.

Answer

They improve the stability of volatile drugs.

Answer

They are compatible with all drugs.

Question 5

Which method is typically used to prepare liposomes for drug delivery?

Accepted Answer

Thin-film hydration

Answer

Spray drying

Answer

Lyophilization

Answer

Granulation

Question 6

What is the role of surfactants in pharmaceutical suspensions?

Accepted Answer

To improve stability and dispersion

Answer

To act as a preservative

Answer

To enhance viscosity

Answer

To increase pH