Herbalism Medicinal Plants (Herbalism) 2 — Questions and Answers
Question 1: Which part of the valerian plant is most commonly used for its sedative properties?
- Flowers
- Leaves
- Root (Correct answer)
- Seeds
Correct answer: Root
Valerian root contains valerenic acid and other compounds that promote relaxation and sleep.
Question 2: Milk thistle (Silybum marianum) is best known for supporting which organ?
- Kidneys
- Liver (Correct answer)
- Heart
- Lungs
Correct answer: Liver
Silymarin, the active compound in milk thistle seeds, is a well-studied hepatoprotective agent.
Question 3: What is the primary active constituent responsible for echinacea's immune-stimulating effects?
- Quercetin
- Rosmarinic acid
- Alkylamides and polysaccharides (Correct answer)
- Hypericin
Correct answer: Alkylamides and polysaccharides
Alkylamides and polysaccharides in echinacea are the key compounds shown to modulate immune response.
Question 4: Adaptogenic herbs are defined by their ability to do which of the following?
- Stimulate the central nervous system
- Increase inflammation acutely
- Help the body resist physical and mental stress non-specifically (Correct answer)
- Lower blood pressure in all cases
Correct answer: Help the body resist physical and mental stress non-specifically
Adaptogens normalize physiological functions and increase resistance to stress without causing organ-specific harm.
Question 5: Which herbal preparation involves soaking plant material in cold water overnight?
- Decoction
- Infusion
- Cold maceration (Correct answer)
- Tincture
Correct answer: Cold maceration
Cold maceration extracts heat-sensitive constituents such as mucilaginous compounds by using cold water over several hours.
Question 6: Holy basil (Ocimum tenuiflorum), also called Tulsi, is primarily classified in Western herbalism as which type of herb?
- Diuretic
- Adaptogen (Correct answer)
- Emmenagogue
- Antifungal
Correct answer: Adaptogen
Tulsi is regarded as an adaptogen for its ability to reduce cortisol and support stress resilience.
Question 7: Which plant is the source of the cardiac glycoside digoxin, used historically in heart failure treatment?
- Hawthorn (Crataegus spp.)
- Foxglove (Digitalis purpurea) (Correct answer)
- Lily of the valley (Convallaria majalis)
- Oleander (Nerium oleander)
Correct answer: Foxglove (Digitalis purpurea)
Digoxin is extracted directly from Digitalis purpurea (foxglove) leaves.
Herbalism Medicinal Plants (Herbalism) 2
Which part of the valerian plant is most commonly used for its sedative properties?