CN I: The Olfactory Nerve

Question 1

Name the function of CN I: the olfactory nerve?

Answer 1

SENSORY: SMELL

Question 2

Where does the collection of sensory CN I rootlets pass through?

Answer 2

CRIBRIFORM PLATE OF ETHMOID

Question 3

Are hair cells in the nose olfactory receptors?

Answer 3

YES

Question 4

What are the small hairs on one side of a nose hair cell called; and what is on the other side?

Answer 4

small hairs - CILIA
+
AXON on other side

Question 5

Where does the olfactory tract send signals in the brain?

Answer 5

TEMPORAL LOBE (conscious awareness of odors)
\+
LIMBIC SYSTEM (emotional behaviour and memory)

Question 6

Name the disorder people with no sense of smell have?

Answer 6

ANOSMIA

Question 7

Name the term for detecting smells that aren’t really present in your environment?

Answer 7

PHANTOSMIA
aka
OLFACTORY HALLUCINATION

Question 8

Name the term for a smell that’s present in your environment but is distorted?

Answer 8

PAROSMIA

Question 9

Name the term for the use of volatile liquid plant materials?

Answer 9

AROMATHERAPY