The lack of extensive divergence of parasympathetic preganglionic axons prevents the mass activation seen in the sympathetic division.
Answer the following statement true (T) or false (F)
True
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Which artery supplies the gallbladder?
A. Cystic artery B. Splenic artery C. Left gastric artery D. Left hepatic artery E. Gastro-omental artery
Myelinated fibers throughout the nervous system can regenerate when cut, but unmyelinated fibers cannot regenerate
Indicate whether the statement is true or false
The larger arteries assist with systemic blood flow to tissues by:
a. contracting their tunica intima. b. beating their semilunar-type valves. c. by associating with large veins. d. elastic recoil of their walls. e. continuous vasoconstriction.
What causes systole -the contraction of cardiac ventricular cells?
a. action potentials from motor neuronsb.action potentials from sympathetic neurons c. release of neurotransmitter from autorhythmic cardiac cells onto contractile cells d. spontaneous depolarization of autorhythmic cells spreads to contractile cell membranes