Pharmacognosy: Classification of Crude Medicine
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Questions and Answers

What is a merit of taxonomical classification?

  • Decreases botanical knowledge in students
  • Provides a precise and ordered arrangement (correct)
  • Arranges plants based on pharmacological action
  • Helps identify and detect adulteration
  • What is a demerit of pharmacological classification?

  • Arranges drugs based on external characters
  • Decreases botanical knowledge in students (correct)
  • Helps suggest drug substitutes if unavailable
  • No relationship between previous and successive drugs
  • Which classification arranges drugs based on morphological or external characters?

  • Taxonomical classification
  • Therapeutic classification
  • Pharmacological classification
  • Morphological classification (correct)
  • What is a merit of pharmacological classification?

    <p>Suggests drug substitutes if unavailable</p> Signup and view all the answers

    What is a demerit of taxonomical classification?

    <p>Botanical knowledge decreases over the years in students</p> Signup and view all the answers

    Which type of drugs are obtained from parts containing cellular organization?

    <p>Organized drugs</p> Signup and view all the answers

    What is the meaning of 'organized crude drugs'?

    <p>Crude drugs with morphological or anatomical organization</p> Signup and view all the answers

    Which method of classification arranges crude drugs based on their Latin, common, or vernacular names?

    <p>Alphabetical classification</p> Signup and view all the answers

    What is the key advantage of alphabetical classification of crude drugs?

    <p>Enables quick addition of new drugs</p> Signup and view all the answers

    Which of the following is an example of an unorganized crude drug?

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

    In which way is the taxonomical classification different from alphabetical classification?

    <p>Groups according to plant taxonomy</p> Signup and view all the answers

    What distinguishes organized crude drugs from unorganized crude drugs?

    <p>Cellular organization in form of anatomical features</p> Signup and view all the answers

    Study Notes

    Classification of Drugs

    • Taxonomical classification groups organisms based on their evolutionary history and relationships, aiding in understanding biological contexts.
    • Pharmacological classification organizes drugs based on their mechanisms of action, effects, and therapeutic uses, facilitating clinical application.

    Merits and Demerits

    • A merit of taxonomical classification: Provides a systematic framework for identifying and studying plant and animal species.
    • A demerit of pharmacological classification: May become complex and less practical due to overlapping effects among different drugs.

    Drug Classification Types

    • Morphological or external character-based classification: Arranges drugs according to their physical form and structural attributes.
    • Drugs derived from parts with cellular organization are referred to as organized crude drugs.
    • Organized crude drugs are distinguished by having a specific cellular structure.

    Meaning and Classification Methods

    • Organized crude drugs refer to those with identifiable cellular structure, such as roots, stems, and leaves.
    • Classification by Latin, common, or vernacular names is known as alphabetical classification.
    • Key advantage of alphabetical classification: Simplifies drug identification, making it easier to locate specific substances based on their names.

    Examples and Differences

    • An example of unorganized crude drug: Substances lacking defined cellular structure, such as resins or gums.
    • Taxonomical classification differs from alphabetical classification in that it emphasizes evolutionary relationships rather than name order.
    • Organized crude drugs are characterized by their cellular structure, while unorganized crude drugs lack such structural definition.

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    Description

    Learn about the meaning of crude medicine in pharmacognosy and the classification into organized and unorganized crude drugs based on cellular organization. Organized crude drugs have anatomical features like stems, roots, and leaves, while unorganized crude drugs lack these features.

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