题目内容
（请给出正确答案）
A、Sympathetic vasodilator fiber
B、Sympathetic vasoconstrictor fiber
C、Cholinergic(类胆碱的) vagal cardiac fiber
D、Noradrenergic（产去甲肾上腺素的） sympathetic cardiac fiber
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
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更多“Which nerve does not keep tonic discharge during the physiological state？”相关的问题
A、disgrace
B、blessing
C、favor
D、disguise
| When climbing the hill John was knocked unconscious by an _____ rolling stone. |
[ ] |
A. untouched B. unexpected C. unfamiliar D. unbelievable |
A、Infusion of sympathomimetic drug
B、Plasma infusion
C、Blood infusion
D、Saline infusion
A、Hypothalamus
B、medullary accelerator center
C、increase in blood pressure
D、sympathetic nerves
A、Increased force of contraction of the ventricles
B、Acetylcholine release at the sympathetic endings
C、Decreased heart rate
D、Decreased force of contraction of the atria
A、blocking the lymphatic drainage
B、increasing the capillary pressure
C、decreasing the plasma colloid osmotic pressure
D、increasing the interstitial hydrostatic pressure
A、Elasticity of the Windkessel vessel
B、Cardiac contractility
C、Position of the body
D、Action of “muscular pump”
A、Ca2+ channel
B、Na+ channel
C、K+ channel
D、Cl- channel
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