Chapter 9 and 10 Lab Part 2

Nervous System Lab 1) Complete the chart below, regarding the cranial nerves. Roman numeral Nerve name Sensory, motor, or mixed Overall general function I Olfactory sensory sense of smell II Optic sensory sense of sight III Oculomotor motor eye movement (eye muscles) IV Trochlear motor movement of eye up and down (superior oblique) V Trigeminal mixed touch, pain, temp., muscles of chewing VI Abducens motor eye movement side to side VII Facial mixed facial expressions VIII Vestibulocochlear sensory equilibrium and hearing IX Glossopharyngea l mixed posterior to tongue for taste, swallowing muscles X Vagus mixed muscles of digestive tract, pancreas, liver XI Accessory motor movement of sternocleidomastoid, and trapezius XII Hypoglossal motor movement of tongue muscles BIO 163 LCA Last modified 10 /10 /2023 CCCC Page 1

2) Label this diagram with the following 8 spinal nerves and plexuses you should know for this exam. ● Cervical nerve ● Lumbar nerve ● Thoracic nerve ● Sacral nerve ● Sciatic nerve ● Cervical plexus ● Lumbar plexus ● Sacral plexus A. cervical nerve contains individual cervical plexus within it. B. thoracic nerve C. lumbar nerve contains individual lumbar plexus within it. D. sacral nerve contains individual sacral plexus within it. BIO 163 LCA Last modified 10 /10 /2023 CCCC Page 2 B A D C E

Chapter 10 special senses figures Ear: BIO 163 LCA Last modified 10 /10 /2023 CCCC Page 4

A. B. semicircular canals C. incus D. malleus E. external acoustic meatus F. stapes G. eardrum H. vestibulocochlear nerve I. cochlea J. auditory tube BIO 163 LCA Last modified 10 /10 /2023 CCCC Page 5

A. B. aqueous humor C. pupil D. lens E. iris F. anterior cavity G. retina H. sclera I. vitreous humor J. macula lutea with fovea centralis K. optic nerve L. optic disc M. posterior cavity BIO 163 LCA Last modified 10 /10 /2023 CCCC Page 7

BIO 163 LCA Last modified 10 /10 /2023 CCCC Page 8