Aromatherapy Online Aromatherapy Answers and Questions 2 — Questions and Answers
Question 1: Which extraction method is most commonly used to produce essential oils from citrus peels?
- Cold pressing (expression) (Correct answer)
- Steam distillation
- Solvent extraction
- CO2 supercritical extraction
Correct answer: Cold pressing (expression)
Citrus oils are typically obtained by cold pressing the rind because heat can degrade their delicate aromatic compounds.
Question 2: A client wants an oil to help ease occasional nausea. Which is the most traditional choice?
- Peppermint (Correct answer)
- Cedarwood
- Patchouli
- Vetiver
Correct answer: Peppermint
Peppermint is widely used in aromatherapy to help settle an upset stomach and reduce feelings of nausea.
Question 3: What does the term 'note' refer to in perfumery and blending?
- The rate at which an aroma evaporates (Correct answer)
- The color of the essential oil
- The country of origin
- The bottle size
Correct answer: The rate at which an aroma evaporates
Notes (top, middle, base) describe how quickly an aroma evaporates and reveals itself in a blend.
Question 4: Which carrier oil is known for being lightweight and closely resembling the skin's natural sebum?
- Jojoba oil (Correct answer)
- Olive oil
- Coconut oil
- Castor oil
Correct answer: Jojoba oil
Jojoba is technically a liquid wax whose structure is similar to human sebum, making it absorb well.
Question 5: Why should essential oils generally be stored in dark glass bottles?
- To protect them from light-induced oxidation (Correct answer)
- To make them smell stronger
- Because plastic is too expensive
- To keep them warm
Correct answer: To protect them from light-induced oxidation
Dark glass shields oils from UV light, which can oxidize and degrade their chemical constituents.
Question 6: What is a hydrosol (floral water)?
- The aromatic water byproduct of steam distillation (Correct answer)
- A synthetic fragrance base
- A blend of two essential oils
- A type of carrier oil
Correct answer: The aromatic water byproduct of steam distillation
Hydrosols are the condensed, water-soluble portion produced alongside essential oil during distillation.
Question 7: Which oil is most often associated with promoting relaxation and restful sleep?
- Lavender (Correct answer)
- Eucalyptus
- Lemongrass
- Black pepper
Correct answer: Lavender
Lavender is the classic aromatherapy oil for calming the mind and encouraging sleep.
Which extraction method is most commonly used to produce essential oils from citrus peels?