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Instructions Choose best single answer from a-d ------------------------------------------------- acme of Form ------------------------------------------------- irresolution 01 Regarding the kind division of the involuntary aflutter brass: a. Acetylcholine is overwhelmd by some consonant postganglionic fibers. b. roughly sympathetic preganglionic fibers secrete norepinephrine c. Sympathetic postganglionic neurons ar found in spinal segments from T1 to L2. d. The sympathetic chain extends from the pectoral to the sacral regions of the spinal cord. ------------------------------------------------- query 02 Regarding the parasympathetic division of the autonomic anxious system: a. parasympathetic preganglionic fibers ar found in all cranial nervousness. b. Parasympathetic vasoconstrictor fibers are evince in the salivary glands. c. Paraympathetic postganglionic neurons are found in spinal ganglia from T1 to L2. d. Paras ympathetic 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 syna ptic transmission in the autonomic nervous s! ystem: 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 motive to get a sufficient essay, order it on our website: OrderCustomPaper.com

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