Herbalism Medicinal Plants (Herbalism) 4

Question 1

Mucilaginous herbs like marshmallow root (Althaea officinalis) exert their soothing effect primarily on which body system?

Accepted Answer

Mucous membranes of the digestive and respiratory tracts

Answer

The polysaccharide mucilage in marshmallow root coats and soothes irritated mucosal linings.

Question 2

Which herb is specifically indicated for benign prostatic hyperplasia (BPH) and has clinical evidence supporting its use?

Accepted Answer

Saw palmetto (Serenoa repens)

Answer

Saw palmetto extracts inhibit 5-alpha-reductase, reducing conversion of testosterone to DHT that drives BPH.

Question 3

A diaphoretic herb is used to achieve which therapeutic goal?

Accepted Answer

Reduce fever by promoting sweating

Answer

Diaphoretics induce perspiration, which helps dissipate heat and support the body's response to fever.

Question 4

Rhodiola rosea is classified as an adaptogen and is particularly noted for improving which condition?

Accepted Answer

Mental fatigue and cognitive performance under stress

Answer

Rhodiola's rosavins and salidroside are shown to reduce mental fatigue and enhance cognitive function during stress.

Question 5

Which herb contains pyrrolizidine alkaloids (PAs) and must be used with strict caution or avoided internally due to hepatotoxicity risk?

Accepted Answer

Comfrey (Symphytum officinale)

Answer

Comfrey contains hepatotoxic PAs that can cause veno-occlusive disease when taken internally over time.

Herbalism Practice Test