NURS 5315 Module 7 Final Exam And Complete Solutions Graded A+

Cranial Nerve I Function and sign of dysfunction - correct answer Olfactory sensory, carries impulses for sense and smell Loss or disturbance in the sense of smell Cranial Nerve II Function and sign of dysfunction - correct answer Optic Sensory, carries impulses for vision decreased visual acuity and contrast sensitivity, impaired color vision, and an afferent pupillary defect. (blindness) Cranial Nerve III Function and sign of dysfunction - correct answer Oculomotor Contains motor fibers to interior oblique and to superior, inferior, ad medial rectus extraocular muscles that direct eye ball; levator muscles of eyelid; smooth muscles of iris and ciliary body; and proprioception (sensory) to brain from extraocular muscles Drooping of the eyelid, eyeball moves outward, dilation of the pupil, double vision. Cranial Nerve IV Function and sign of dysfunction - correct answer Trochlear Propioceptor and motor fibers for superior oblique muscle of eye (extraocular muscles) Rotation of eyeball upward and outward, double vision