Lab 11 Flashcards
Purely sensory; carries impulses for the sense of smell
Olfactory 1
Purely sensory; carries impulses for vision
Optic II
Motor; supplies 4 of 6 that direct the eyeball; eyelid; and internal eye muscles controlling lens shape and pupil size
Occulomotor III
Motor; supplies superior oblique eye muscle
Trochlear IV
Sensory; impulses from skin of face and mucosa of nose and mouth
Trigeminal V
Motor; supplies lateral rectus eye muscle
Abducens VI
Motor; muscles of facial expression and lacrimal and salivary glands
Facial VII
Purely sensory; vestibular branch transmits impulses for balance and cochlear branch transmits impulses for hearing
Vestibulocochlear VIII
Motor; supplies pharynx to swallow and produce saliva
Sensory; impulses form taste buds of posterior tongue and pressure receptors of carotid artery
Glossopharyngeal IX
Mixed; impulses to pharynx, larynx, and abdominal and thoracic viscera
Motor; parasympathetic to promote digestion and regulate heart
Vagus X
Motor; activate sternocleidomastoid and trapezius muscles
Accessory XI
Motor; tongue movements
Sensory; impulses from tongue
Hypoglossal XII
large and abnormally contoured; normal in children, but may represent emotional problems or neural imbalance in adults.
Theta Waves (4-7 Hz)
high-amplitude waves seen in deep sleep
Delta Waves (<4 Hz)
attentive and alert state
Beta Waves (14-25 Hz)