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AROMA 203 Module 1-12 Test Questions And Answers With Verified Study Solutions
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AROMA 203 Module 1-12 Test Questions And Answers With Verified Study Solutions
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AROMA 203 Module 1-12 Test Questions AndAnswers With Verified Study Solutions
Oils that have a high ester content, such as lavender and bergamot are most likely to do which of the
following if they are contaminated with water due to careless distillation or incorrect storage. ANS
turn acid
Which of the following essential oils is said to increase alpha brain waves? ANS Lavandula
officinalis
What two factors influence the volatility of each component molecule of a single essential oil? ANS
shape and molecular weight
Shape and molecular weight is the correct answer. Each component molecule of a single essential oil
or absolute or expressed essence has its own volatility by virtue of its shape and molecular weight.
Larger, heavier molecules are less volatile and they often hold back the lighter, smaller ones.
Likewise, the small energetic molecules often take the heavier ones along with them. The answer is
found in the Online Lecture: Introduction to Aromatherapy.
Which of the following statements best describes a top note? ANS Characteristic of the oil and
evaporates quickly
When used in aromatherapy, the term volatile means ... ANS evaporates
Which of the following statements describes the optimal storage conditions for essential oils? ANS
In a dark bottle with a tight lid in a cool place
Bergamot essential oil is produced from which part of the plant? ANS Fruit peel
When an essential oil is referred to as a fixative which of the following could also be used to describe
it? ANS bottom note
dryout note
base note
,all of the above
*all of the above
At what temperature do essential oils evaporate when exposed to air? ANS 32 degrees F
60 degrees F
95 degrees F
All of the above
*all the above
What should your study design aim to remove? ANS Confounding factors and Subjective
measures
If the initial design of a study is wrong and it still goes ahead no amount of re-analysis will produce
useful results because of a ..... ANS confounding factor.
Indicate which of the following statements is true ANS Patchouli oil leaves a stain on the
perfume blotter.
Why do plants produce essential oils? ANS They act as a powerful attractant to insects to ensure
pollination.
To attract beneficial insects that prey on the plant's predators.
To provide protection for the plant by repelling harmful insects.
All of the above.
*All the above
Japanese research has shown inhaling which of the following essential oils reduces peripheral blood
pressure? ANS Mentha piperita and Jasminum officinale
, Which of the following notes is thought to be the easier to reproduce artificially? ANS Middle
Define the term "volatility" and explain how the concept relates to essential oils. Be sure to include
specific examples. ANS Volatility is defined as being able to evaporate quickly and being able to
change it's the form to vapor. For instance, essential oils are volatile, meaning they're top, middle,
and bottom note evaporate quickly. Some examples of essential oils with top notes are bergamot and
eucalyptus. Examples of middle notes are chamomile and peppermint, examples of base notes
(bottom notes) are sandalwood and myrrh.
Absolute Oil ANS Obtained via solvent extraction of plant material or enfleurage. Absolute is
similar to the composition of essential oil but contains some alcohol-soluble, non-volatile compounds
such as carotenes. Monoterpenes, sesquiterpenes, monoterpenoids, phenolic compounds, and
carotenes.
Base or fixed oil ANS Oils expressed from seeds, nuts, or grains that do not evaporate and leave
an oily residue.
Infused or macerated oils ANS Botanical material soaked and heated in a base or fixed oil, then
strained out; the therapeutic qualities of the botanical material are transferred tot he fixed oil.
Essential oils are ANS volatile, sometimes colorless, non-oily, and insoluble in water substances
that are extracted from the plant material.
Contain Monoterpenes, sesquiterpenes, monoterpenoids, phenolic compounds, and carotenes.
Co2 Extracts ANS Produce EO truest to nature. Co2 is a gas that liquefies under pressure and it
used to extract essential solvent.
Contains: Monoterpenes, sesquiterpenes, monoterpenoids, phenolic compounds, and carotenes
Hydrosol ANS known as hydrolats and flower waters, are the waters collected from distillation
of plant material used to extract essential oil.
Much less concentrated than EO's.
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