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Instructions Choose best single answer from a-d ------------------------------------------------- cash in ones chips of Form ------------------------------------------------- irresolution 01 Regarding the kind division of the involuntary neuronal brass: a. Acetylcholine is overwhelmd by some consonant postganglionic fibers. b. more or less sympathetic preganglionic fibers secrete norepinephrine c. Sympathetic postganglionic neurons be found in spinal segments from T1 to L2. d. The sympathetic chain extends from the pectoral to the sacral regions of the spinal cord. ------------------------------------------------- incredulity 02 Regarding the parasympathetic division of the autonomic unquiet system: a. parasympathetic preganglionic fibers atomic number 18 found in all cranial nerve. b. Parasympathetic vasoconstrictor fibers are establish in the salivary glands. c. Paraympathetic postganglionic neurons are found in spinal g anglia from T1 to L2. d. Parasympathetic postganglionic fibers secrete acetylcholine onto their target organs. ------------------------------------------------- Question 03 Regarding the role of the autonomic innervation: a. excitant of the sympathetic nerves to the eyes causes pupillary constriction. b.

Activation of the sympathetic system causes vasodilatation in the skin. c. Activation of the sympathetic system causes vasoconstriction in the viscera and vasodilatation in skeletal muscle. d. Stimulation of the vagus nerves speed up the heart. ------------------------------------------- ------ Question 04 Regarding synaptic tran! smission in the autonomic nervous system: a. The acetylcholine receptors in both parasympathetic and sympathetic ganglia are predominantly muscarinic. b. norepinephrine secreted by sympathetic postganglionic fibers acts preferentially on ?-adrenoceptors. c. The adrenal gland medulla secretes epinephrine in response to activation of muscarinic sympathetic postganglionic fibers in the...If you fatality to get a sufficient essay, order it on our website: OrderCustomPaper.com

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