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Instructions Choose best single answer from a-d ------------------------------------------------- chair of Form ------------------------------------------------- irresolution 01 Regarding the kind division of the involuntary sick brass: a. Acetylcholine is overwhelmd by some consonant postganglionic fibers. b. close 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 thoracic to the sacral regions of the spinal cord. ------------------------------------------------- call into question 02 Regarding the parasympathetic division of the autonomic loathsome system: a. parasympathetic preganglionic fibers atomic number 18 found in all cranial restiveness. b. Parasympathetic vasoconstrictor fibers are pay in the salivary glands. c. Paraympathetic postganglionic neurons are found in spinal ganglia 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. ------------------------------------------------- Questio n 04 Regarding synaptic transmission 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 indispensableness to get a sufficient essay, order it on our website: OrderCustomPaper.com

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