23. Damage to the vestibulocochlear serve would result in some loss of A hearing

Question

23. Damage to the vestibulocochlear serve would result in some loss of A hearing and balance. B. hearing and taste. E. hearing and sight. 24, which of the organs listed below is nee direetly innenated by the autonomie uervous syst C. smooth muscle D. skeletal muscle 25 Preganglionie fibers from the thoracic and lumbar segumentsofthe spinal eerd are rt of the division of the ANS. E. ganglionic hetie nervous system is charac 26, The parasympa onic fibers. A, the absence of B. the absence of postganglionic axons. they innervate. C, short post ganglionic axons near the organs D. short preganglionic axons near the spinal cord E. long postganglionic axons. 27. The celiac, superior mesenteric, and inferior mesesteric ganglia are ganglia. D parasympathetic E, collateral 28. Parasympathetic ganglia are called ganglia. A, pelvic C. collateral D terminal E. dorsal

Explanation / Answer

23.A. Hearing and balance

Vestibulocochlear nerve is the 8th cranial nerve which transmits sound and equilibrium information to the brain,

24.D. Skeletal muscle.

All others are innervated by autonomous nerves because they are not under voluntary control.

25.B.Sympathetic

26.C. short postganglionic axons near the organs they innervate.

The axons of presynaptic parasympathetic neurons are usually long, extending from the CNS into a ganglion that is either very close to or embedded in their target organ. As a result, the postsynaptic parasympathetic nerve fibers are very short

27.D. Parasympathetic

28.D.Terminal

Named terminal because they lie close to or within the organ they innervate.

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