Herbalism Medicinal Plants (Herbalism) 3 — Questions and Answers
Question 1: Astringent herbs work primarily by doing which of the following?
- Relaxing smooth muscle
- Precipitating proteins and tightening tissues (Correct answer)
- Increasing fluid secretion
- Stimulating bile production
Correct answer: Precipitating proteins and tightening tissues
Tannins in astringent herbs bind and precipitate proteins, reducing secretions and tightening mucosal surfaces.
Question 2: Which herb is traditionally used as a uterine tonic and is contraindicated during pregnancy due to its emmenagogue properties?
- Chamomile
- Blue cohosh (Caulophyllum thalictroides) (Correct answer)
- Marshmallow root
- Lemon balm
Correct answer: Blue cohosh (Caulophyllum thalictroides)
Blue cohosh stimulates uterine contractions and must be avoided during pregnancy as it can induce labor.
Question 3: The resin of Boswellia serrata is used in herbalism primarily for its action on which condition?
- Anxiety and insomnia
- Chronic inflammation and arthritis (Correct answer)
- Digestive cramping
- Skin infections
Correct answer: Chronic inflammation and arthritis
Boswellic acids in Boswellia inhibit 5-lipoxygenase, reducing inflammatory leukotrienes associated with arthritis.
Question 4: What does the term 'vulnerary' mean when describing an herb's action?
- Promotes sweating
- Promotes wound healing (Correct answer)
- Kills bacteria internally
- Relieves pain
Correct answer: Promotes wound healing
A vulnerary herb promotes the healing of wounds, cuts, and injuries, often topically.
Question 5: St. John's Wort (Hypericum perforatum) is most noted for its interaction with which class of pharmaceutical drugs?
- Antacids
- Cytochrome P450 substrates including anticoagulants and oral contraceptives (Correct answer)
- Calcium channel blockers
- NSAIDs
Correct answer: Cytochrome P450 substrates including anticoagulants and oral contraceptives
St. John's Wort induces CYP3A4 enzymes, significantly reducing plasma levels of many drugs including warfarin and birth control pills.
Question 6: Elderberries (Sambucus nigra) are commonly prepared for immune support using which method to ensure safety?
- Eaten raw in large quantities
- Cooked or heated before consumption (Correct answer)
- Dried into powder without processing
- Juiced cold-pressed only
Correct answer: Cooked or heated before consumption
Raw elderberries contain sambunigrin, a cyanogenic glycoside that can cause nausea; cooking deactivates it.
Question 7: Which part of the dandelion plant (Taraxacum officinale) is most commonly used as a liver and digestive bitter?
- Flowers
- Stem sap
- Root (Correct answer)
- Seed heads
Correct answer: Root
Dandelion root contains bitter sesquiterpene lactones that stimulate bile flow and support liver function.
Herbalism Medicinal Plants (Herbalism) 3
Astringent herbs work primarily by doing which of the following?