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level: Cranial Nerves

Questions and Answers List

level questions: Cranial Nerves

Question	Answer
Determine the cranial nerve based on its function: Supplies tongue muscles	XII: Hypoglossal nerve
Give the 4 cranial nerves that functions as both Sensory and Motor	Trigeminal, Facial, Glossopharyngeal, Vagus
Highly complex, highly organized network of billions of neurons and neuroglia	Nervous System
It includes brain, cranial nerves, and their branches, the spinal cord and the spinal nerves and their branches, ganglia enteric plexuses and sensory receptors.	Nervous System
2 division of the nervous system?	Central Nervous System (CNS) and Peripheral Nervous System (PNS)
3 Functions of the Nervous System	Sensory function - sensory neuron Integrative function - interneuron Motor function - motor neuron
True/False: In the motor part of PNS, somatic motor neuron is voluntary and its effector is the skeletal muscle.	True
True/False: In the motor part of PNS, autonomic motor neuron is voluntary (sympathetic and parasympathetic division) and its effector include smooth muscle, cardiac muscle and glands.	False. It is involuntary
True/False: In the motor part of PNS, enteric motor neuron is involuntary in enteric plexuses and its effector include cardiac muscle, glands and endocrine cells of GI tract	False. Its effectors are smooth muscle, glands and endocrine cells of GI tract
Composed of 12 pairs of nerves that emanate from the nervous tissue of the brain. It send information between the brain and the sense organs. Its functions are sensory, motor, or both	Cranial nerves
Determine the cranial nerve based on its function: Smell	I: Olfactory nerve
Determine the cranial nerve based on its function: Vision	II: Optic nerve
Determine the cranial nerve based on its function: Pupil constriction, accomodation, moves eye up, down and medially, opens eyelids	III: Oculomotor nerve
Determine the cranial nerve based on its function: Supplies superior oblique muscle: moves eye down and inwards	IV: Trochlear nerve
Determine the cranial nerve based on its function: Sensation to face, muscles of mastication, facial expression	V: Trigeminal nerve
Determine the cranial nerve based on its function: Supplies lateral rectus, moves eye laterally	VI: Abducens nerve
Determine the cranial nerve based on its function: Supplies muscles of facial expression, TASTE (anterior 2/3 tongue), closes eyelids, lacrimal, nose, palate glands, submandibular and sublingual salivary glands	VII: Facial nerve
Determine the cranial nerve based on its function: Hearing, regulates balance	VIII: Vestibulocochlear nerve
Determine the cranial nerve based on its function: Sensation/taste to posterior 1/3 tongue, posterior pharynx, stylopharyngeus - swallowing, parotid gland - salivation	IX: Glossopharyngeal nerve
Determine the cranial nerve based on its function: Parasympathetic supply to eye, heart, gut, lungs, LARYNX (sensation to airway, motor to vocal cords)	X: Vagus nerve
Determine the cranial nerve based on its function: Supplies sternocleidomastoid (rotates head) and trapezius (lifts shoulders)	XI: Accessory nerve
Determine the cranial nerve based on its function: Supplies tongue muscles	XII: Hypoglossal nerve
Give the 3 cranial nerves that functions as Sensory	Olfactory, Optic, Vestibulocochlear
Give the 5 cranial nerves that functions as Motor	Oculomotor, Trochlear, Abducens, Accessory, Hypoglossal
Give the 4 cranial nerves that functions as both Sensory and Motor	Trigeminal, Facial, Glossopharyngeal, Vagus
Determine the test based on the procedure: Using standardized chart (Snellen Test Letter Chart). Clearness or sharpness of vision. To read through the chart to the smallest line of letters possible.	Visual Acuity (Cranial nerve II: Optic nerve)
Determine the test based on the procedure: The examiner is positioned at eye level at about 2 feet away. Patient is to cover with an opaque card and to look straight at the examiner with the other eye. Using a pencil as a target midline between the examiner and the patient. Advance the pencil from the periphery in several directions (upwards, downward, temporarily, nasally)	Confrontation test (Cranial nerve II: Optic nerve)
Determine the test based on the procedure: Placing a vibrating tuning fork in the midline of the skull.	Weber test (Cranial nerve VII: Vestibulocochlear or Auditory nerve)
Determine the test based on the procedure: Compares Air conduction (AC) and Bone conduction (BC) sound. Placing the stem of the vibrating tuning fork on the mastoid process and ask the patient to signal when the sound goes away. Quickly invert the tuning fork so the vbrating end is near the ear canal: subject should still hear a sound.	Rinne test (Cranial nerve VII: Vestibulocochlear or Auditory nerve)