Essential oils are found in many different parts of plants. For example, fennel is found in the
correct answers seeds
A hydrosol is made by blending essential oil with alcohol and water. correct answers False
What is the distilled product of the volatile components synthesized by various plant tissues of a
single plant species, sometimes containing hundreds of individual biochemicals? correct answers
essential oil
Plants produce essential oils for all the following reasons EXCEPT: correct answers To keep the
plant parts soft and moist
A client comes to see you complaining of stomach pain. You would immediately correct answers
Refer them to their primary care provider for a proper diagnosis.
An essential oil is an aromatic material that __________ readily. correct answers volatilizes
evaporates
Volatile substances have all the following characteristics EXCEPT: correct answers Feel oily to
the touch and when exposed to air they become rancid and do not evaporate
When used in aromatherapy, volatile means an oil _____________. correct answers evaporates
Components of essential oils that have heavier, more complex molecules and are said to be the
balancing core or heart of the blend are known as correct answers middle notes.
Components of essential oils that are the heaviest and most complex are said to be correct
answers base notes
,A top note is correct answers Characteristic of the oil and evaporates quickly
The body system that responds to aromas is correct answers The olfactory system
Who wrote the book, Practice of Aromatherapy, which forms the basis of the modern study of
aromatherapy? correct answers Dr. Jean Valnet
Who coined the word "Aromatherapy"? correct answers René Maurice Gattefossé
Gattefosse's research influenced the development of all the following industries EXCEPT:
correct answers agricultural
All of the following are types of distillation EXCEPT: correct answers alcohol distillation
The part of the still where the steam is changed back into water is called the condenser. correct
answers True
The basis of distillation is correct answers Steam is passed through the plant
The part of the still into which the plant material is loaded is called the ... correct answers retort.
Ginger essential oil should not be used for _______ sickness. correct answers Morning
Which essential oil can be used in a compress for localized swelling? correct answers Ginger
Which of the following essential oils is described as a warm, fresh, woody, spicy, almost citrus
top note? correct answers ginger
, All plants store essential oils in the same part of the plant. correct answers False
When purchasing essential oils, you need to know the Latin binomial to ensure the correct plant
or botanical has been used to produce the essential oil. correct answers True
The notation "var." can appear after a plant's Latin binomial, for example Citrus aurantium var.
bergamia. This notation stands for: correct answers The variety
Which of the following affects the quality of an essential oil? correct answers Where the plant
was grown
How the plant was harvested
How the essential oil was stored after production
Building experience by performing organoleptic testing with many samples of pure essential oils
and synthetic oils and comparing the results is a best practice for the aromatherapist. correct
answers True
Absolutes are obtained through solvent extraction correct answers True
Which of the following are true of hydrosols? correct answers Are also known as hydrolats and
flower waters
Are the waters collected from distillation of plant material used to extract essential oils
Are much less concentrated than essential oils
Plants produce essential oils for which of the following reasons: correct answers To attract
insects to ensure pollinators
To provide protection by repelling harmful insects
To attract beneficial insects that prey on the plant's predators