MedSurg Final Exam: Neuro
31 pairs of spinal nerves
12 thoracic, 5 lumbar and sacral nerves, 8 cervical, one coccygeal
Cranial nerve XII
12; controls sticking out tongue
Ischemic stroke
80% of strokes, occur when a thrombus or embolus obstructs an artery carrying blood to the brain
Olfactory nerve
Cranial nerve 1; sense of smell
Hypothalamus
body temperature control
Cerebrospinal fluid
cushions the brain and spinal cord
Serotonin
demonstrates inhibitory action, helps control mood and sleep, inhibits pain pathways.
Decorticate posture
flexion and internal rotation of forearms and hands
Ataxia
inability to coordinate muscle movements, resulting in difficulty walking
Agnosia
inability to recognize objects through a particular sensor system
Wernickes
language comprehension
Cerebellum
maintain balance and controls fine movements
Electromyogram
method of recording in graphic form the electrical activity of the muscle
Absence seizure
more common in children, brief loss of consciousness during which physical activity ceases. Person stares blankly; eyelids flutter; lips move; and slight movement of the head,arms and legs occur. Last for a few seconds
Clonus
occurs when the foot is abruptly dorsiflexed
Frontal lobe
responsible for concentration and abstract thought
Facial nerve
salivation, tearing, taste and sensation in the ear, controls closing eye
Brocas
speech formation, speaking ability
Cranial nerve XI
spinal or accessory nerve responsible for head and shoulder and shoulder movement
Acoustic cranial nerve
tested by listening to a ticking watch
Cranial nerve V
trigeminal nerve responsible for sensation to the face and chewing
