CONTENTS | SEARCH | ABOUT THE BOOK

Olfaction (CN I)

Printer Friendly

Can the patient smell coffee or soap with each nostril? Do not use noxious odors, since they may stimulate pain fibers from CN V. CN I is often not tested unless specific pathology such as a subfrontal brain tumor is suspected.

24. Olfaction

Sequence

What is Being Tested?

Impairment can be due to nasal obstruction, damage to the olfactory nerves in the nasal mucosa, damage to the nerves as they cross the cribriform plate, or intracranial lesions affecting the olfactory bulbs.

Open Site Navigation Menus Previous page Next pageNext or previous page