Pharmacognosy: The Study of Medicinal Substances

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Questions and Answers

What does the word Pharmacognosy mean?

  • Knowledge of drugs used in hospitals
  • Study of synthetic drugs
  • Study of drugs mixed with chemicals
  • Knowledge of drugs obtained from natural origins (correct)

Who first introduced the term Pharmacognosy?

  • Physician Seydler in 1815
  • Physician Schmidt in 1811 (correct)
  • English physician in 1811
  • Austrian physician in 1815

What is the origin of Pharmacognosy according to the text?

  • Originated from ancient Chinese medicine
  • Evolved from modern medical practices
  • Developed from laboratory experiments
  • Rooted in the health activities of primitive humans (correct)

What does Pharmacognosy mainly focus on?

<p>Study of drugs obtained from natural sources (B)</p> Signup and view all the answers

What are the key aspects studied in Pharmacognosy?

<p>Name, habitat, macroscopy, uses, and cultivation of drugs (D)</p> Signup and view all the answers

How did early humans discover the medicinal properties of plants according to the text?

<p>Through trial and error (D)</p> Signup and view all the answers

Which plant-derived drug is used as a vasodilator?

<p>Ajmalicine (B)</p> Signup and view all the answers

Which plant source provides a drug with vasoconstrictor effects?

<p>Claviceps purpurea (A)</p> Signup and view all the answers

Which plant source is associated with a drug used as a CNS stimulant?

<p>Camellia sinensis (B)</p> Signup and view all the answers

Which plant-derived drug is classified as an anti-cancer agent?

<p>Vinblastine (C)</p> Signup and view all the answers

Which drug acts as a cardiotonic and is sourced from Digitalis lanata?

<p>Digoxin (D)</p> Signup and view all the answers

Which plant source provides a drug with smooth muscle relaxant properties?

<p>Theobroma cacao (A)</p> Signup and view all the answers

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