Pharmacognosy Flashcards
6 cards from real B.Pharm. Bachelor of Pharmacy practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Pharmacognosy flashcards as text
Pharmacognosy is best defined as the study of:
Answer: Natural drugs and their sources
Pharmacognosy is the branch of pharmacy science that studies medicinal drugs derived from natural sources including plants, animals, and microorganisms.
Which secondary plant metabolite class includes morphine, codeine, and quinine?
Answer: Alkaloids
Alkaloids are nitrogen-containing secondary plant metabolites that include important drugs like morphine, codeine, caffeine, and quinine.
The active constituent of turmeric (Curcuma longa) with anti-inflammatory properties is:
Answer: Curcumin
Curcumin is the primary bioactive polyphenol in turmeric with documented anti-inflammatory, antioxidant, and anticancer properties.
Cardiac glycosides such as digoxin are derived from which plant?
Answer: Digitalis purpurea
Digoxin and digitoxin are cardiac glycosides derived from Digitalis purpurea (foxglove), used to treat heart failure and arrhythmias.
Which method of drug standardization measures the biological potency of a drug preparation compared to a reference standard?
Answer: Biological standardization (bioassay)
Biological standardization uses bioassays to measure the potency of a drug preparation against an international reference standard in living systems.
Volatile oils extracted from plants are also known as:
Answer: Essential oils
Essential oils (volatile oils) are aromatic, volatile liquid mixtures of terpenoids and other compounds extracted from plant material by distillation.