Anesthesia Practice Questions
Accessory Nerve
Nerve Function: Controls trapezius and sternocleidomastoid (SCM) muscles.
Inspection: Inspect the shoulders for asymmetry and atrophy
Trapezius Power: Ask the patient to shrug their shoulders against resistance
SCM Power: Ask the patient to turn their head to either side against resistance. Observe and palpate the SCM muscles.
CN XII Palsy
Left CN XII lesion (© Jenn Platt)
Bell’s Palsy
Bell’s Palsy (CN VII): Right UMN lesion (left) vs. Right LMN lesion (right) (© Ayalah Hutchins)
CN VI Palsy
Courtesy of Dr. Jonathan Micieli (Approach to Patient with Diplopia)
CN III Palsy
Courtesy of Dr. Jonathan Micieli (Approach to Patient with Diplopia)
CN IV Palsy
Courtesy of Dr. Jonathan Micieli