More review questions-exam3-1

More review questions-exam3-1 - More review questions...

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More review questions VESTIBULAR SYSTEM 1. Label structures in this diagram 2. What would you do to stimulate the receptor in this muscle? 3. In a flexion crossed extension reflex: a. the limb that is stimulated is extended and the contralateral limb contracts b. the limb that is stimulated contracts and the contralateral limb extends c. the neck and eyes move in opposite directions d. movement is limited to the upper limbs 4. Why are reflexes important if they are usually suppressed or modified in healthy individuals? __________________________________________________________ 5. Dynamic Nuclear Bag cells of muscle spindles: a. are mainly innervated by type II (annulospiral) receptors b. provide information concerning the static stretch of muscle c. are stimulated by contraction of extrafusal fibers d. are sensitive to changes in muscle length 6. Golgi tendon organ-receptors are in ______________ with extrafusal fibers a. series b. parallel
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7. Activation of the lateral reticulospinal (medullary) tract: .a stimulates flexors and inhibits extensors .b inhibits flexors and stimulates extensors .c stimulates antigravity muscles .d occurs tonically .e is inhibited by the cerebral cortex 8. The Rubrospinal tract: a. descends anteriorly in the spinal cord (in the ventral funiculus) b. is exclusively associated with the axial skeletal muscles
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More review questions-exam3-1 - More review questions...

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