Oral Controlled Release Systems MCQ

Test your knowledge with important Oral Controlled Release Systems MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Oral Controlled Release Systems MCQs on Bissoy. Bissoy App

• What are the characteristics of colonic release systems?
  ক

  Release the drug along the entire length of GIT

  খ

  Prolonged their residence in the GIT and release

  গ

  Usage of polymers that dissolves only in the alkaline pH of colon

  ঘ

  Use of enteric coating
• What are the characteristics of intestinal release systems?
  ক

  Release the drug along the entire length of GIT

  খ

  Prolonged their residence in the GIT and release

  গ

  Usage of polymers that dissolves only in the alkaline pH of colon

  ঘ

  Use of enteric coating
• Drugs cannot be delivered to the colon.
  ক

  True

  খ

  False
• Enteric coating are used for which systems?
  ক

  Intestinal release systems

  খ

  Colonic release systems

  গ

  Size based systems

  ঘ

  Mucoadhesive systems
• What is the characteristics of mucoadhesive systems?
  ক

  Release the drug along the entire length of GIT

  খ

  Prolonged their residence in the GIT and release

  গ

  Usage of bio adhesive polymer

  ঘ

  Use of high or low density pellets
• What are the characteristics of floating or buoyant capsule systems?
  ক

  Release the drug along the entire length of GIT

  খ

  Granule drug with hydro gel

  গ

  Release only at a specific drug

  ঘ

  Use of high or low density pellets
• What is the characteristics of altered density systems?
  ক

  Release the drug along the entire length of GIT

  খ

  Prolonged their residence in the GIT and release

  গ

  Release only at a specific drug

  ঘ

  Use of high or low density pellets
• Which of the following oral controlled release system is shown in the picture?
  ক

  Matrix system

  খ

  Encapsulated system

  গ

  Rigid matrix

  ঘ

  Swellable matrix
• What are the characteristics of hydrodynamic pressure controlled systems?
  ক

  Buffering agents that adjust pH to the desired value

  খ

  Drug disperse in an insoluble matrix of rigid hydrophobic materials

  গ

  Generated by swelling hydrophilic hum

  ঘ

  Formation of complexes between the drug and anion/cation exchange resins
• Osmotic pressure controlled systems work on the principle of osmotic pressure releasing the drug at constant 1st order kinetics.
  ক

  True

  খ

  False
• What are the characteristics of osmotic pressure-controlled systems?
  ক

  Buffering agents that adjust pH to the desired value

  খ

  Releases the drug at a zero-order kinetics

  গ

  Hollow systems containing drug surrounded by a polymer membrane

  ঘ

  Formation of complexes between the drug and anion/cation exchange resins
• What is the characteristic of pH-independent formulations?
  ক

  Buffering agents that adjust pH to the desired value

  খ

  Drug disperse in the insoluble matrix of rigid hydrophobic materials

  গ

  Hollow systems containing drug surrounded by a polymer membrane

  ঘ

  Formation of complexes between the drug and anion/cation exchange resins
• What are the characteristics of ion exchange resin drug complexes?
  ক

  Release the drug along the entire length of GIT

  খ

  Drug disperse in an insoluble matrix of rigid hydrophobic materials

  গ

  Hollow systems containing drug surrounded by a polymer membrane

  ঘ

  Formation of complexes between the drug and anion/cation exchange resins
• What are the characteristics of reservoir devices-controlled release systems?
  ক

  Release the drug along the entire length of GIT

  খ

  Drug disperse in the insoluble matrix of rigid hydrophobic materials

  গ

  Hollow systems containing drug surrounded by a polymer membrane

  ঘ

  Employ waxes to control the rate of dissolution
• What are the characteristics of Matrix diffusion-controlled release systems?
  ক

  Release the drug along the entire length of GIT

  খ

  Drug disperse in an insoluble matrix of rigid hydrophobic materials

  গ

  Release only at a specific drug

  ঘ

  Employ waxes to control the rate of dissolution
• What are the characteristics of diffusion-controlled release systems?
  ক

  Release the drug along the entire length of GIT

  খ

  Diffusion of the dissolved drug

  গ

  Release only at a specific drug

  ঘ

  Employ waxes to control the rate of dissolution
• What is the characteristic of encapsulation or coating dissolution-controlled release systems?
  ক

  Microencapsulation using slowly dissolving materials

  খ

  Prolonged their residence in the GIT and release

  গ

  Release only at a specific drug

  ঘ

  Employ waxes to control the rate of dissolution
• What is the characteristic of matrix dissolution-controlled release systems?
  ক

  Release the drug along the entire length of GIT

  খ

  Prolonged their residence in the GIT and release

  গ

  Release only at a specific drug

  ঘ

  Employ waxes to control the rate of dissolution
• What is the characteristic of dissolution controlled release systems?
  ক

  Release the drug along the entire length of GIT

  খ

  Prolonged their residence in the GIT and release

  গ

  Release only at a specific drug

  ঘ

  Very slow dissolution rate
• What is the characteristic of delayed release systems?
  ক

  Release the drug along the entire length of GIT

  খ

  Prolonged their residence in the GIT and release

  গ

  Release only at a specific drug

  ঘ

  Release as soon as comes in contact to the saliva
• What is the characteristic of delayed transit and continuous release systems?
  ক

  Release the drug along the entire length of GIT

  খ

  Prolonged their residence in the GIT and release

  গ

  Release only at a specific drug

  ঘ

  Release as soon as comes in contact to the saliva
• What are the characteristics of continuous release systems?
  ক

  Release the drug along the entire length of GIT

  খ

  Prolonged their residence in the GIT and release

  গ

  Release only at a specific drug

  ঘ

  Release as soon as comes in contact to the saliva
• Oral controlled release drugs release the drug only inside the intestine.
  ক

  True

  খ

  False