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151

ant. Corticospinal tracts

voluntary motor of fine movements of the hand

152

fx of rubrospinal

facilitates flexors and inhibits extensor movement coordination

153

fx of reticulospinal

control of respiration and heartbeat; facilitate muscles, inhibit antagonists- Involuntary

154

fx of vestibulospinal

posture and balance. Head and eye coordination. Extension of erector spinae, involuntary

155

tx of tectospinal

postural reflexes to sight and sound

156

what is the upper motor neuron lesion?

involves any central neuron conveying impulses to the anterior horn. A lesion from the brain down to the anterior horn cell, but does not include the ant horn cell

157

what s the lower motor neuron lesion

involves the anterior horn cell, the ant. Roots of the peripheral nerve. A lesion from the ant. Horn cell to the periphery

158

what do you see with UMNLs?

spastic paralysis, increased muscle tone, hyperreflexia, pathological reflexes present

159

what do you see with LMNLs?

flaccid paralysis, decreased muscle tone, hyporeflexia, and absent pathological reflexes

160

what nerves carry parasympathetics?

CN 3,7,8,9,10 and S 2,3,4

161

do blood vessels have parasympathetic innervation?

NO

162

What is the ganglia of tbe lesser splanchnic n?

superior mesenteric

163

what is the ganglia of the greater splanchnic n?

celiac

164

what is the ganglia of the least splanchnic n?

superior mesenteric

165

Ganglia of lumbar splanchnic n

inf. Mesenteric

166

sympathetic function of CN3?

pupil and ciliary body constriction

167

sympathetic function of CN7?

tearing and salivation

168

sympathetic function of CN9?

salivaton

169

sympathetic function of CN10?

vagus and its ramifications

170

what are the neurotrasmitters used by the preganglionics of the sympathetic NS?

cholinergic=acetylcholine

171

what are the neurotrasmitters used by the postganglionic sympathetic fibers?

adrenergic= epi and norepi

172

what neurotransmitters does the parasympathetic NS use?

for both pre and postganglionic is cholinergic

173

what is the order of the bones of the middle ear?

maleus, Incus, stapes (Cant MIS the order)

174

what makes up the bony labyrinth of the inner ear?

vestibule, semicircular canals, cochlea

175

what is w/in the vestibul?

utricle and saccule

176

what is w/in the semicircular canals?

swelling at one end called the ampulla

177

what is the modiolus?

the central pillar of the cochlea

178

what separates the two canals of the cochlea?

basilar membrane

179

what are the canals of the cochlea?

scala vestibuli and scala tympani

180

what are the canals of the cochlea filled with?

endolymph