RH Cheat Sheet 2026

The 30 highest-yield RH facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Which of the following is a fundamental principle of herbal formula compounding as it applies to Registered Herbalist? → Systematic evaluation and adherence to established industry standards
2. In botanical terminology, a 'drupe' is a fruit type exemplified by which medicinal plant? → Vitex agnus-castus (chaste tree berry)
3. What should a practitioner do if a client reports a severe reaction? → Stop the herb and refer to a physician
4. Cold infusions are most appropriate for extracting which type of plant constituents? → Mucilaginous polysaccharides and delicate aromatic compounds
5. The process by which the kidneys regulate blood pH by excreting or retaining bicarbonate is called: → Tubular reabsorption of bicarbonate
6. Which is a key aspect of clinical safety in herbalism? → Following standard dosing and safety practices
7. Which is a primary consideration when formulating an herbal blend? → Energetics and safety profile
8. Which layer of the adrenal cortex secretes mineralocorticoids such as aldosterone? → Zona glomerulosa
9. What is the primary ethical obligation of a RH professional when a conflict of interest arises during case management & follow-up activities? → Disclose the conflict to all relevant parties and recuse from the decision if necessary
10. An RH discovers that a colleague is making fraudulent claims about herbal cures on their website. According to AHG ethics, the RH should: → Report concerns to AHG through appropriate channels
11. A RH professional encounters an unfamiliar situation while performing intake & clinical history methods duties. What is the most appropriate first action? → Consult relevant standards, guidelines, or a qualified supervisor before proceeding
12. A RH professional encounters an unfamiliar situation while performing wildcrafting & sustainable harvesting duties. What is the most appropriate first action? → Consult relevant standards, guidelines, or a qualified supervisor before proceeding
13. Which quality assurance method is most commonly applied in intake & clinical history methods to verify that RH professional standards are being met? → Structured audits, peer reviews, and performance metrics aligned with industry benchmarks
14. What is the primary ethical obligation of a RH professional when a conflict of interest arises during herb-drug interaction pharmacology activities? → Disclose the conflict to all relevant parties and recuse from the decision if necessary
15. Which condition is caused by insufficient insulin production? → Diabetes mellitus
16. What is the herbalist’s responsibility when working with vulnerable populations? → Respect and accommodate their unique needs
17. Why is dosage critical in herbal therapy? → To ensure proper therapeutic effect
18. Which cells in the pancreas secrete glucagon to raise blood glucose? → Alpha cells
19. A RH professional encounters an unfamiliar situation while performing herb-drug interaction pharmacology duties. What is the most appropriate first action? → Consult relevant standards, guidelines, or a qualified supervisor before proceeding
20. Which quality assurance method is most commonly applied in ayurveda & tcm foundations to verify that RH professional standards are being met? → Structured audits, peer reviews, and performance metrics aligned with industry benchmarks
21. Which component of a hydroethanolic tincture menstruum serves primarily as a preservative against microbial growth? → Ethanol (alcohol)
22. What is a distinguishing feature of monocots? → Parallel leaf venation
23. Why are demulcent herbs used in formulations? → To soothe and protect mucous membranes
24. What does the ratio in a 1:5 tincture represent? → 1 gram of dried herb extracted in 5 mL of menstruum
25. Compared to a 1:5 tincture, the appropriate dose of a 1:1 fluid extract of the same herb would be: → One-fifth of the 1:5 tincture dose
26. Cascara sagrada and senna are contraindicated in patients with intestinal obstruction because they: → Are stimulant laxatives that increase peristaltic pressure
27. In herbal extraction terminology, the 'marc' refers to: → The spent plant material remaining after pressing the extract
28. Which quality assurance method is most commonly applied in herb safety & contraindications to verify that RH professional standards are being met? → Structured audits, peer reviews, and performance metrics aligned with industry benchmarks
29. A RH professional encounters an unfamiliar situation while performing ayurveda & tcm foundations duties. What is the most appropriate first action? → Consult relevant standards, guidelines, or a qualified supervisor before proceeding
30. Which of the following correctly describes the materia medica action of 'emmenagogue'? → An herb that promotes or stimulates menstrual flow