JNTU
JNTU B.Pharmacy IV NOVEL DRUG DELIVERY SYSTEMS Previous Question Paper (December – 2023/ January -2024 - R17)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
Define controlled drug delivery and give its advantages.
Answer
Controlled drug delivery is a system that delivers a drug at a predetermined rate, locally or systemically, for a specified period. Its advantages include improved patient compliance, reduced dosing frequency, minimized side effects, and maintained therapeutic drug levels in the blood.
Write applications of polymers.
Answer
Polymers are used in drug delivery for: 1) Serving as rate-controlling membranes or matrices in controlled-release systems. 2) Acting as mucoadhesive agents to increase residence time. 3) Providing protection for sensitive drugs from environmental degradation. 4) Enabling targeted delivery through functionalization.
Define microspheres and microcapsules.
Answer
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Write brief note of bioadhesive polymers.
Answer
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What are the basic components of TDDS?
Answer
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Write brief note on permeation enhancers.
Answer
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Define liposomes, niosomes and nanoparticles.
Answer
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Write importance of targeted drug delivery systems.
Answer
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Write about intra ocular barriers.
Answer
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Write the disadvantages of IUDs.
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Part B
Write the design and working of ion exchange controlled drug delivery systems.
Answer
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Write classification, properties and advantages of polymers.
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Write the different methods of microencapsulation.
Answer
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Write the principle and working of buccal delivery systems.
Answer
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Write the factors affecting permeation and their correction for developing transdermal drug delivery systems.
Answer
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Write about GRDDS approaches.
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Write the concept and advantages of liposomes and niosomes.
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What are monoclonal antibodies and their applications?
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Write about ocular formulations and ocuserts.
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Write the development of IUDs and their applications.
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