Lab 14 Continued. Cranial Nerves. Portland Community College BI 232. Cranial Nerves. Nerves that originate from the brain rather than the spinal cord Part of the peripheral nervous system (not the central nervous system) May contain one or more of the following: Sensory
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Portland Community College
Use Figure 14.5 to view all CNs
Papilledema. Note swelling of the disc, hemorrhages, and exudates, with preservation of the physiologic cup.
Proliferative Diabetic Retinopathy. Note the multiple hemorrhages throughout the retina.
Consensual reflex: Both pupils should constrict at the same time
muscle of the eye.
Exiting foramen=superior orbital fissure
Test: Have patient bite down while you palpate the masseter muscle
Test: Touch patient with an open paperclip and ask “sharp or dull”
Test: Touch cornea with a wisp of cotton. Patient should blink
Paralyzed facial muscles
Patients can still feel their face because sensory is supplied by the trigeminal nerve