Olfactory DLA

Question 1

What’s the olfactory nerve responsible for?

Answer 1

• Sense of smell
• Peripheral processes and cell bodies located in the olfactory epithelium of the nasal cavity (blue shade)
• Fibers pass through the cribriform plate to the olfactory bulb (synapse and first processing takes place)
• Fibers pass through the olfactory tracts and terminate in the cortex

Question 2

What does the olfactory nerve connect to?

Answer 2

• The olfactory nerve connects with several parts of the brain
• It also links to the parts of the brain that triggers the emotional or memory reaction to a familiar smell

Question 3

What is anosmia?

Answer 3

Anosmia: absence of smell

• Traumatic brain injury
shearing force
• Influenza
• Congenital

Question 4

Describe the testing of the olfactory nerve

Answer 4

• Test patency of each nostril

• Avoid using irritating smells – menthol,ammonia,etc.
– will affect Trigeminal V1

• Use coffee, lemon/ vanilla extract

• Anosmia: loss of smell
– Traumaticbraininjury(shearing force)
– Commoncold
– Allergies
– Nasalpolyps
– Mucosalthickening
– Other