Nurs 5315: Adv Patho Exam 4 neuro
Questions with Complete Solutions (Latest 2025)
Cranial Nerve I: Olfactory - Correct Answers ✅sensory,
smell
Sign of dysfunction: unable to identify aromatic substance
Cranial Nerve II: Optic - Correct Answers ✅-Function: sensory - carries impulse for vision
-Testing procedure: eye chart testing, visual field testing
Cranial Nerve III: Oculomotor - Correct Answers ✅--
Function: motor - fibers to the superior, inferior and medial
rectus muscles of the eye and to the smooth muscle controlling lens shape. Medial and vertical eye movements; sensory - proprioception of the eye
-Testing procedure: pupil sizes are compared for shape and
equality, pupillary reflex is tested; visual tracking is tested
Cranial Nerve IV: Trochlear Nerve - Correct Answers
✅Motor: eye movement, extra ocular superior oblique
muscle Tested the same as CN III Cranial Nerve V: Trigeminal - Correct Answers ✅-Function: motor and sensory for face, conducts sensory impulses from mouth, nose, eyes; motor fibers for muscles of mastication.Control of jaw movements 1 / 4
Nurs 5315: Adv Patho Exam 4 neuro
Questions with Complete Solutions (Latest 2025)
-Testing procedure: pain, touch, and temperature are tested
with proper stimulus; corneal reflex tested with a wisp of cotton; person is asked to move jaw through full ranges of motion Cranial Nerve VI: Abducens - Correct Answers ✅-Function: motor and proprioceptor fibers to/from lateral rectus muscle.Lateral eye movements
-Testing procedure: tested in conjunction with cranial nerve III
relative to moving eye laterally Cranial Nerve VII: Facial - Correct Answers ✅-Function: mixed (sensory and motor) sensory fibers to taste buds and anterior 2/3 tongue; motor fibers to muscles of facial expression and to salivary glands
-Testing procedure: check symmetry of face, ask person to
attempt various facial expressions; sweet, salty, sour, and bitter substances are applied to tongue to test tasting ability
Cranial Nerve VIII: vestibulocochlear - Correct Answers
✅Function: Sensory - special senses of hearing and balance;
Foramen: internal auditory canal; Consequence of Loss: loss of hearing, loss of balance and equilibrium, nausea, vertigo, vomiting 2 / 4
Nurs 5315: Adv Patho Exam 4 neuro
Questions with Complete Solutions (Latest 2025)
Cranial nerve IX: glossopharyngeal - Correct Answers ✅-
Function: motor fibers for pharynx and salivary glands;
sensory fibers for pharynx and posterior tongue. Taste sensation for sweet, bitter and sour
-Testing procedure: gag and swallow reflexes are checked;
posterior one third of tongue is tested for taste Cranial Nerve X: Vagus - Correct Answers ✅-Function: sensory/motor impulses for larynx and pharynx; parasympathetic motor fibers supply smooth muscles of abdominal organs; sensory impulses from viscera
-Testing procedure: tested in conjunction with cranial nerve IX
Cranial Nerve XI: Spinal Accessory - Correct Answers
✅Function: Motor - to sternocleidomastoid and trapezius;
Foramen: foramen magnum, jugular foramen; Consequence
of Loss: difficulty elevating scapula or rotating neck
Cranial Nerve XII: Hypoglossal - Correct Answers ✅-
Function: motor/sensory fibers to/from tongue. Movement of
tongue
-Testing procedure: ask person to stick out tongue, positional
abnormalities are noted central nervous system - Correct Answers ✅consists of the brain and spinal cord 3 / 4
Nurs 5315: Adv Patho Exam 4 neuro
Questions with Complete Solutions (Latest 2025) peripheral nervous system - Correct Answers ✅consists of 12 pairs of cranial nerves and 31 spinal nerves subdivided into somatic and autonomic nervous system afferent nerves - Correct Answers ✅sensory transmitters that send impulses from receptors in the skin, muscles, and joints to the central nervous system efferent nerves - Correct Answers ✅Also called motor nerves; nerves that carry information from the CNS to cells, tissues and organs.Neuron - Correct Answers ✅a nerve cell; the basic building block of the nervous system
fuel source: glucose
Parts of a neuron - Correct Answers ✅cell body, dendrites, axon
Cerebrum - Correct Answers ✅Location: largest part of the
brain
Function: Area of the brain responsible for all voluntary
activities of the body
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