Herbalism Knowledge Check 3 — Questions and Answers
Question 1: Which herbal constituent class is responsible for the astringent taste and tissue-tightening effects in plants like witch hazel?
- Alkaloids
- Tannins (Correct answer)
- Flavonoids
- Saponins
Correct answer: Tannins
Tannins bind and precipitate proteins, causing the puckering sensation and tissue-tightening action characteristic of astringent herbs.
Question 2: Milk thistle (Silybum marianum) is primarily used to support which organ?
- Kidneys
- Heart
- Liver (Correct answer)
- Lungs
Correct answer: Liver
Milk thistle's active complex silymarin is a hepatoprotective agent widely used to support liver health and detoxification.
Question 3: What is a 'simmer' in the context of herbalism?
- A practitioner who uses only one herb at a time (Correct answer)
- A type of salve preparation
- An herb that tastes bitter
- A concentrated herbal extract
Correct answer: A practitioner who uses only one herb at a time
A 'simmer' (or 'simplar') is a herbalist who uses single herbs rather than formulas, following the principle that one herb is best studied alone.
Question 4: Which of the following plants is known for its significant interaction with conventional antidepressants due to CYP enzyme induction?
- Lavender
- St. John's Wort (Correct answer)
- Lemon balm
- Passionflower
Correct answer: St. John's Wort
St. John's Wort induces CYP3A4 and P-glycoprotein, potentially reducing blood levels of many pharmaceutical drugs including antidepressants.
Question 5: What preparation method is used to make a standard herbal infusion for a delicate herb like chamomile?
- Boil for 30 minutes
- Pour hot water over herb and steep covered (Correct answer)
- Blend with cold water
- Pressure-cook with alcohol
Correct answer: Pour hot water over herb and steep covered
Delicate herbs like chamomile are best prepared by steeping in hot (not boiling) water in a covered vessel to retain volatile aromatic constituents.
Question 6: Hawthorn (Crataegus spp.) is traditionally used to support which body system?
- Nervous system
- Respiratory system
- Cardiovascular system (Correct answer)
- Reproductive system
Correct answer: Cardiovascular system
Hawthorn berries, leaves, and flowers contain flavonoids that support cardiac function, circulation, and blood pressure regulation.
Question 7: Which Latin term on an herb label indicates the plant part used in the preparation?
- Folia, Radix, or Herba (Correct answer)
- Officinalis or Vulgaris
- Sativa or Arvensis
- Alba or Rubra
Correct answer: Folia, Radix, or Herba
Terms like Folia (leaves), Radix (root), Herba (aerial parts), Cortex (bark), and Semen (seed) designate the specific plant part used.
Herbalism Knowledge Check 3
Which herbal constituent class is responsible for the astringent taste and tissue-tightening effects in plants like witch hazel?