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NDDS QUIZ

Quiz by Yash

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12 questions
Show answers
  • Q1

    Identify which curve represents what type of release from the above graph

    Question Image

    1-Controlledrelease   2-Immediate release   3- Sustained release

    1-Sustainedrelease     2- Controlled release   3-Immediate release

    1- immediaterelease   2-Sustained release   3- Controlled release

    1-Immediaterelease   2-Controlled release.  3-Sustained release

    30s
  • Q2

    Among the following which one is not an example of Reservoir type delivery system

    Duros implant

    Ocusert

    Norplant subdermal implant

    ProgestasertIUID

    30s
  • Q3

    There are two polymers ‘A’ and ‘B’. ‘A’ is solid brittle below room temperature and ‘B’ is a soft elastic mass above room temp. Identify whose Tg is higher ?

    Both polymer has same Tg

    None of the above

    PolymerA

    PolymerB

    30s
  • Q4

    Branched polymer is best suited for:-

    Hydrogel system

    Ion activated system

    Osmotically controlled system

    Swellable diffusion system   

    30s
  • Q5

    Select the odd man out:-

    Osmotic pressure activated DDS

    Hydrodynamic DDS

    Vapor pressure DDS

    pH activated DDS

    30s
  • Q6

    Two monomers can react and form repeating unit in which mechanism of polymerization?

    Chain polymerization

    Step growth polymerization

    30s
  • Q7

    What is the phenomenon of drug transfer in hydrophilic matrix system ?

    Ion transport

    Concentration gradient

    Permeation

    Diffusion    

    30s
  • Q8

    InControlled release drug delivery systems partition coefficient,  K should be:-

    K>1

    K=1

    K<1

    None of the above

    30s
  • Q9

    Which mechanism takes place when n=0.4 ?

    Fickian diffusion

    Both diffusion and erosion at comparable rates

    Erosion at very high rate

    Erosion

    30s
  • Q10

    Which of the following is not true regarding oral SRDDS?

    It follows Zero order kinetics for drug release

    Reduction in drug accumulation with chronic therapy

    Reduction in drug level fluctuation in blood

    Greater dependence on GI residence time of dosage form

    30s
  • Q11

    The release kinetics of the drug in Diffusion based Matrix Erosion is given by

    Higuchi model

    Fickian mode

    All of these

    Noyes Whitney model

    30s
  • Q12

    What is the requisite to maintain the perfect sink condition in the body?

    Rate of drug release is independent of Rate of absorption

    Rate of Absorption << Rate of DrugRelease

    Rate of Absorption >> Rate of Drug Release

    Rate of Absorption = Rate of drug release

    30s

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