CN I-Olfactory nerve

Question 1

Characteristics of CN I (Olfactory nerve)

Answer 1

1. Arises from the olfactory epithelium
2. Passes through the cribriform plate of the ethmoid bone
3. Fibers run through the olfactory bulb and terminate in the primary olfactory cortex

Question 2

CN I pathway

Answer 2

Question 3

Type of nerve

Answer 3

Sensory

Question 4

**

Clinical Application

Answer 4

Anosmia
* Symptom of nerve damage (diminished or absent of sense of smell)

Question 5

2-minute CN I

Answer 5

2-Minute Neuroscience: Olfactory Nerve (Cranial Nerve I)

Adapted from Neuroscientifically Challenged | YouTube Channel