Introduction to Pharmacognosy Quiz
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Questions and Answers

What does the term 'Pharmacognosy' mean?

  • The study of medicinal uses of naturally occurring drugs and their properties (correct)
  • The study of medicinal uses of artificially synthesized drugs
  • The study of synthetic drugs and their properties
  • The study of the physical, chemical, and biological properties of drugs of natural origin

    • What are crude drugs?

  • Drugs obtained from natural sources without any processing except drying (correct)
  • Medicines derived from animal sources
  • Synthetic compounds used in medicine
  • Drugs obtained from plants after extensive processing

    • Which subjects are included in the study of drugs from plants?

  • Botany, zoology, and chemistry
  • Chemistry, genetics, and pharmacology
  • Botany, chemistry, and pharmacology (correct)
  • Botany, microbiology, and genetics

    • What is the meaning of 'gnosis' in the term 'Pharmacognosy'?

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

    What types of natural products can crude drugs be?

    <p>Entire organism, part of an organism, extract or exudate, isolated pure compounds</p> Signup and view all the answers

    What does the term 'Pharmacognosy' refer to?

    <p>The study of the physical, chemical, and biological properties of drugs of natural origin</p> Signup and view all the answers

    Which of the following is NOT a type of natural product that crude drugs can be?

    <p>Synthetic compounds created in a laboratory</p> Signup and view all the answers

    What is included in the study of drugs from plants?

    <p>Identification (taxonomy), genetics, cultivation, collection, drying and storage of plants</p> Signup and view all the answers

    What are crude drugs primarily used for?

    <p>Medicinal purposes without much processing except drying</p> Signup and view all the answers

    What does 'gnosis' mean in the term 'Pharmacognosy'?

    <p>'Knowledge' or 'study'</p> Signup and view all the answers

    Study Notes

    Pharmacognosy

    • The term "pharmacognosy" refers to the study of medicine derived from natural sources.
    • "Gnosis" means knowledge in Greek, so pharmacognosy essentially translates to "knowledge of drugs."

    Crude Drugs

    • Crude drugs are the raw materials obtained from plants, animals, or minerals used in the production of medicines.
    • These raw materials are not processed or refined.
    • Crude drugs can be natural products like:
      • Plants
      • Animals
      • Minerals
    • Crude drugs are primarily used for:
      • Medicinal purposes
      • Pharmaceutical preparations
      • Dietary supplements
      • Cosmetics

    Drugs From Plants

    • The study of drugs from plants includes aspects of:
      • Botany: the study of plants
      • Phytochemistry: the study of plant chemicals
      • Pharmacology: the study of how drugs interact with living organisms
      • Ethnobotany: the study of how plants are used in traditional medicine
      • Biotechnology: the use of living organisms to produce drugs

    Natural Products and Crude Drugs

    • Natural Products: Substances that occur in nature, and can be extracted from plants, animals, or minerals.
    • Natural products used as crude drugs can be:
      • Alkaloids: nitrogen-containing compounds with pharmacological activity
      • Glycosides: compounds containing a sugar molecule attached to a non-sugar molecule
      • Tannins: plant polyphenols with astringent properties
      • Resins: complex mixtures of organic compounds with adhesive properties
      • Volatile Oils: fragrant compounds extracted from plants
      • Fixed Oils: non-volatile oils extracted from plants
      • Gums: plant polysaccharides with mucilaginous properties
    • Synthetic products are NOT natural products.

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    Description

    Test your knowledge of the basic concepts and definitions related to pharmacognosy, including the study of natural origin drugs, their properties, and medicinal uses.

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