The right descriptions about cholinergic fiber in peripheral nervous system are in ()
A. somatic motor nerve fibers
B. all autonomic preganglionic fibers
C. most parasympathetic postganglionic nerve fibers
D. few sympathetic postganglionic nerve fibers
E. vasodilator fibers of skeletal muscle and small sweat glands
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The neuron contact forms in CNS are ()
A. single line connection
B. divergent connection
C. convergent connection
D. chain connection
E. recurrent connection
Which are right about thyroid hormone to energy metabolism? ()
A. oxygen consumption increase
B. afraid of hot and like cold to hyperthyroidism
C. calorigenesis
D. body temperature increase
E. basal metabolic rate increase
The physiological function of intrapleural pressure is ()
A. It is conducive to the return of venous blood and lymph
B. reducing airway resistance
C. maintaining the expansion of the lung
D. direct power of lung ventilation
E. all the above
About recurrent inhibition, which description is right? ()
A. excitatory transmitter released by inhibitory interneuron
B. reduced EPSP produced in postsynaptic membrane
C. structural basis is collateral branch inhibition
D. structural basis is recurrent connection
E. coordinate activities between different centers
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