Exam
**Question 1.** Which ancient civilization is credited with using aromatic resins in the embalming
process of pharaohs?
A) Greeks
B) Egyptians
C) Romans
D) Chinese
Answer: B
Explanation: Egyptians incorporated aromatic resins such as frankincense and myrrh in mummification
to preserve and mask odors.
**Question 2.** René-Maurice Gattefossé is best known for discovering the therapeutic use of which
essential oil?
A) Peppermint
B) Lavender
C) Tea tree
D) Eucalyptus
Answer: B
Explanation: Gattefossé’s accidental burn treatment with lavender oil led to the term “aromatherapy”.
**Question 3.** Dr. Jean Valnet introduced aromatherapy to treat wounded soldiers during which
conflict?
A) World War I
B) World War II
C) Korean War
D) Vietnam War
Answer: B
Explanation: Valnet applied essential oils for infection control and pain relief on WWII battlefields.
, ITEC Preblend Aromatherapy Ultimate
Exam
**Question 4.** The “Individual Prescription” (IP) concept, integrating aromatherapy with massage, was
pioneered by:
A) Gattefossé
B) Valnet
C) Marguerite Maury
D) Hildegard von Bingen
Answer: C
Explanation: Maury developed the IP system, tailoring blends to each client’s needs.
**Question 5.** In holistic aromatherapy, the term “Integral Biology” refers to:
A) The study of plant taxonomy
B) The interaction of environmental, emotional, and physiological factors on health
C) The extraction of oils using CO₂
D) The classification of essential oil families
Answer: B
Explanation: Integral Biology emphasizes how external and internal factors together influence
homeostasis.
**Question 6.** The correct botanical name for true lavender used in most therapeutic blends is:
A) Lavandula latifolia
B) Lavandula angustifolia
C) Lavandula officinalis
D) Lavandula stoechas
Answer: B
Explanation: Lavandula angustifolia is the species most commonly used for its gentle, therapeutic
profile.
**Question 7.** Which extraction method is most appropriate for obtaining citrus essential oils while
preserving their volatile compounds?
, ITEC Preblend Aromatherapy Ultimate
Exam
A) Steam distillation
B) Solvent extraction
C) Cold-press expression
D) Enfleurage
Answer: C
Explanation: Expression (cold-press) mechanically extracts citrus oils without heat, preserving their
delicate constituents.
**Question 8.** CO₂ extraction is particularly advantageous because it:
A) Requires high temperatures that degrade sensitive compounds
B) Produces solvent-free extracts with high fidelity to the plant’s profile
C) Is the cheapest method for large-scale production
D) Only works on woody plants
Answer: B
Explanation: Supercritical CO₂ extraction yields pure, solvent-free extracts while maintaining delicate
aromatics.
**Question 9.** The primary brain region activated by inhaled essential oils, influencing emotions and
memory, is the:
A) Cerebellum
B) Hippocampus
C) Limbic system
D) Medulla oblongata
Answer: C
Explanation: The limbic system processes olfactory signals, linking scent to emotional and memory
responses.
**Question 10.** Transdermal absorption of essential oils is most enhanced by:
A) High sebum production and warm skin temperature
, ITEC Preblend Aromatherapy Ultimate
Exam
B) Low humidity and dry skin
C) Application on callused areas
D) Use of oil-free lotions only
Answer: A
Explanation: Sebum and warmth increase skin permeability, facilitating oil absorption.
**Question 11.** Which organ is primarily responsible for metabolizing the majority of essential oil
constituents?
A) Kidneys
B) Liver
C) Lungs
D) Spleen
Answer: B
Explanation: The liver’s cytochrome P450 enzymes metabolize many terpenes and phenolics.
**Question 12.** A pre-blended aromatherapy oil designed to promote relaxation most likely contains
which of the following primary constituents?
A) Menthol
B) Linalool
C) Camphor
D) Eucalyptol
Answer: B
Explanation: Linalool, abundant in lavender, is known for its calming properties.
**Question 13.** Which carrier oil is best suited for oily or acne-prone skin due to its non-comedogenic
nature?
A) Sweet almond oil
B) Avocado oil