Herbalism Knowledge Check 4 — Questions and Answers
Question 1: What is the primary concern when harvesting wild herbs, particularly roots, from public lands?
- The herbs may be too bitter
- Legal restrictions and ecological sustainability (Correct answer)
- Roots are always inferior to cultivated herbs
- Wild herbs cannot be tinctured
Correct answer: Legal restrictions and ecological sustainability
Wild harvesting requires awareness of local regulations, protected species, and sustainable harvest practices to avoid ecological damage.
Question 2: Which herb has been studied for its ability to support cognitive function and is used in Ayurvedic medicine as a 'medhya rasayana' (brain tonic)?
- Bacopa monnieri (Correct answer)
- Echinacea purpurea
- Zingiber officinale
- Taraxacum officinale
Correct answer: Bacopa monnieri
Bacopa monnieri (brahmi) contains bacosides that support memory consolidation and cognitive performance, used for centuries in Ayurveda.
Question 3: A fomentation is best described as which type of herbal application?
- An internal liquid extract
- A cloth soaked in herbal tea applied to the body (Correct answer)
- A capsule filled with powdered herb
- A steam inhalation preparation
Correct answer: A cloth soaked in herbal tea applied to the body
A fomentation (compress) is made by saturating a cloth in a warm herbal infusion or decoction and applying it topically to affected areas.
Question 4: What is the correct drying temperature range for most medicinal herbs to preserve volatile oils and active constituents?
- 150–200°F (65–93°C)
- 95–115°F (35–46°C) (Correct answer)
- 200–250°F (93–121°C)
- 32–50°F (0–10°C)
Correct answer: 95–115°F (35–46°C)
Most medicinal herbs are best dried at low temperatures (95–115°F) to preserve heat-sensitive volatile oils and other active compounds.
Question 5: Elderberries (Sambucus nigra) are commonly used herbally for which purpose?
- Blood pressure reduction
- Immune support during viral illness (Correct answer)
- Pain relief
- Hormone balancing
Correct answer: Immune support during viral illness
Elderberry is rich in anthocyanins and flavonoids that have shown antiviral properties and are widely used to reduce duration and severity of colds and flu.
Question 6: What does the term 'demulcent' describe in herbal medicine?
- An herb that stimulates bile flow
- An herb that soothes and protects irritated mucous membranes (Correct answer)
- An herb that increases urine production
- An herb that reduces fever
Correct answer: An herb that soothes and protects irritated mucous membranes
Demulcent herbs like marshmallow root contain mucilage that coats and soothes inflamed or irritated mucous membranes in the digestive and respiratory tracts.
Question 7: Which standardized extract ratio indicates that 5 pounds of raw herb were used to make 1 pound of extract?
- 1:1 extract
- 5:1 extract (Correct answer)
- 1:5 extract
- 10:1 extract
Correct answer: 5:1 extract
A 5:1 extract ratio means 5 parts raw herb were concentrated into 1 part extract, resulting in a more potent product.
What is the primary concern when harvesting wild herbs, particularly roots, from public lands?