Pharmaceutical Dosage Forms: Valve Classification
18 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the most common type of pulmonary drug delivery system currently used?

  • Dry powder inhalers
  • Metered dose inhalers
  • Aerosols (correct)
  • Nebulizers

    • What is the primary function of the valve assembly in an aerosol drug delivery system?

  • To prevent the propellant from escaping the container
  • To ensure the product concentrate remains in a dry powder form
  • To control the release of the product concentrate and propellant (correct)
  • To maintain the equilibrium between the liquid and vapor phases

    • What component of the valve assembly is responsible for sealing the valve when not in use?

  • The dip tube
  • The actuator
  • The gasket (correct)
  • The nozzle

    • What is the purpose of the actuator in an aerosol drug delivery system?

    <p>To control the release of the product concentrate</p> Signup and view all the answers

    What type of valve is typically used in aerosol drug delivery systems?

    <p>Metering valve</p> Signup and view all the answers

    What component of an aerosol drug delivery system is responsible for forcing the liquid phase out of the container?

    <p>The propellant</p> Signup and view all the answers

    What is the primary function of the valve assembly in an aerosol container?

    <p>To permit the expulsion of the contents in the desired form and rate</p> Signup and view all the answers

    Which of the following materials is NOT mentioned as being used in the manufacture of valve parts?

    <p>Copper</p> Signup and view all the answers

    What is the purpose of the actuator in a drug delivery system?

    <p>To deliver the formulation to the valve chamber in the proper form</p> Signup and view all the answers

    Which type of valve assembly is NOT mentioned in the text?

    <p>Continuous valves</p> Signup and view all the answers

    What is the primary consideration in selecting a container for an aerosol product?

    <p>Ability to sustain the intended pressure</p> Signup and view all the answers

    Which component of the valve assembly is responsible for preventing leakage when the valve is closed?

    <p>The gasket or seal</p> Signup and view all the answers

    What is the primary function of the valve in a drug delivery system?

    <p>To control the flow and dispensing of the product</p> Signup and view all the answers

    Which of the following is NOT a requirement for a valve in a drug delivery system?

    <p>Must maintain a constant temperature inside the container</p> Signup and view all the answers

    What is the purpose of the actuator in a drug delivery system?

    <p>To aid in producing the required type of product discharged</p> Signup and view all the answers

    Which process is typically used for most pharmaceutical aerosols?

    <p>Pressure Process</p> Signup and view all the answers

    What is the purpose of cooling the product concentrate and propellant in the Cold Process?

    <p>To allow the propellant to displace the air in the container</p> Signup and view all the answers

    In the Pressure Process, how is the trapped air removed from the container?

    <p>By applying a vacuum through the valve</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser