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MCQs

Total Questions : 130 | Page 8 of 13 pages
Question 71. What is the characteristic of matrix dissolution-controlled release systems?
  1.    Release the drug along the entire length of GIT
  2.    Prolonged their residence in the GIT and release
  3.    Release only at a specific drug
  4.    Employ waxes to control the rate of dissolution
 Discuss Question
Answer: Option D. -> Employ waxes to control the rate of dissolution
Answer: (d).Employ waxes to control the rate of dissolution
Question 72. What is the characteristic of encapsulation or coating dissolution-controlled release systems?
  1.    Microencapsulation using slowly dissolving materials
  2.    Prolonged their residence in the GIT and release
  3.    Release only at a specific drug
  4.    Employ waxes to control the rate of dissolution
 Discuss Question
Answer: Option A. -> Microencapsulation using slowly dissolving materials
Answer: (a).Microencapsulation using slowly dissolving materials
Question 73. What are the characteristics of Matrix diffusion-controlled release systems?
  1.    Release the drug along the entire length of GIT
  2.    Drug disperse in an insoluble matrix of rigid hydrophobic materials
  3.    Release only at a specific drug
  4.    Employ waxes to control the rate of dissolution
 Discuss Question
Answer: Option B. -> Drug disperse in an insoluble matrix of rigid hydrophobic materials
Answer: (b).Drug disperse in an insoluble matrix of rigid hydrophobic materials
Question 74. What are the characteristics of diffusion-controlled release systems?
  1.    Release the drug along the entire length of GIT
  2.    Diffusion of the dissolved drug
  3.    Release only at a specific drug
  4.    Employ waxes to control the rate of dissolution
 Discuss Question
Answer: Option B. -> Diffusion of the dissolved drug
Answer: (b).Diffusion of the dissolved drug
Question 75. What are the characteristics of reservoir devices-controlled release systems?
  1.    Release the drug along the entire length of GIT
  2.    Drug disperse in the insoluble matrix of rigid hydrophobic materials
  3.    Hollow systems containing drug surrounded by a polymer membrane
  4.    Employ waxes to control the rate of dissolution
 Discuss Question
Answer: Option C. -> Hollow systems containing drug surrounded by a polymer membrane
Answer: (c).Hollow systems containing drug surrounded by a polymer membrane
Question 76. What are the characteristics of ion exchange resin drug complexes?
  1.    Release the drug along the entire length of GIT
  2.    Drug disperse in an insoluble matrix of rigid hydrophobic materials
  3.    Hollow systems containing drug surrounded by a polymer membrane
  4.    Formation of complexes between the drug and anion/cation exchange resins
 Discuss Question
Answer: Option D. -> Formation of complexes between the drug and anion/cation exchange resins
Answer: (d).Formation of complexes between the drug and anion/cation exchange resins
Question 77. Osmotic pressure controlled systems work on the principle of osmotic pressure releasing the drug at constant 1st order kinetics.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 78. What are the characteristics of hydrodynamic pressure controlled systems?
  1.    Buffering agents that adjust pH to the desired value
  2.    Drug disperse in an insoluble matrix of rigid hydrophobic materials
  3.    Generated by swelling hydrophilic hum
  4.    Formation of complexes between the drug and anion/cation exchange resins
 Discuss Question
Answer: Option C. -> Generated by swelling hydrophilic hum
Answer: (c).Generated by swelling hydrophilic hum
Question 79. What is the characteristic of pH-independent formulations?
  1.    Buffering agents that adjust pH to the desired value
  2.    Drug disperse in the insoluble matrix of rigid hydrophobic materials
  3.    Hollow systems containing drug surrounded by a polymer membrane
  4.    Formation of complexes between the drug and anion/cation exchange resins
 Discuss Question
Answer: Option A. -> Buffering agents that adjust pH to the desired value
Answer: (a).Buffering agents that adjust pH to the desired value
Question 80. What are the characteristics of osmotic pressure-controlled systems?
  1.    Buffering agents that adjust pH to the desired value
  2.    Releases the drug at a zero-order kinetics
  3.    Hollow systems containing drug surrounded by a polymer membrane
  4.    Formation of complexes between the drug and anion/cation exchange resins
 Discuss Question
Answer: Option B. -> Releases the drug at a zero-order kinetics
Answer: (b).Releases the drug at a zero-order kinetics

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