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. What should a practitioner do if a client reports a severe reaction? → Stop the herb and refer to a physician
3. Cold infusions are most appropriate for extracting which type of plant constituents? → Mucilaginous polysaccharides and delicate aromatic compounds
4. Which is a key aspect of clinical safety in herbalism? → Following standard dosing and safety practices
5. Which extraction method is most appropriate for preserving the mucilaginous polysaccharides in marshmallow root (Althaea officinalis)? → Cold water infusion or overnight maceration in cold water
6. Which is a primary consideration when formulating an herbal blend? → Energetics and safety profile
7. 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
8. 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
9. 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
10. 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
11. 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
12. Which condition is caused by insufficient insulin production? → Diabetes mellitus
13. What is the herbalist’s responsibility when working with vulnerable populations? → Respect and accommodate their unique needs
14. Why is dosage critical in herbal therapy? → To ensure proper therapeutic effect
15. 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
16. 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
17. Which component of a hydroethanolic tincture menstruum serves primarily as a preservative against microbial growth? → Ethanol (alcohol)
18. What is a distinguishing feature of monocots? → Parallel leaf venation
19. Why are demulcent herbs used in formulations? → To soothe and protect mucous membranes
20. What does the ratio in a 1:5 tincture represent? → 1 gram of dried herb extracted in 5 mL of menstruum
21. 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
22. In herbal extraction terminology, the 'marc' refers to: → The spent plant material remaining after pressing the extract
23. 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
24. 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
25. Which of the following is a fundamental principle of herb safety & contraindications as it applies to Registered Herbalist? → Systematic evaluation and adherence to established industry standards
26. How should herbs be selected for a formulation? → By therapeutic action and synergy
27. Which system regulates hormone production in the body? → Endocrine
28. Which organ is essential for oxygen exchange in the body? → Lungs
29. Which formulation is most suitable for respiratory conditions? → Syrups
30. What is the function of the lymphatic system? → Protect against infection