The stroke volume is mainly regulated by A: Preload of the ventricle B: Afterload of the ventricle C: Contractility of the ventricle D: Heart rate E: Tone of the vagus nerve

The parasympathetic preganglionic fibers in glossopharyngeal nerve arise from . A: dorsal nucleus of vagus nerve B: inferior salivatory nucleus C: hypoglossal nucleus D: superior salivatory nucleus

Which of the following nerves have no nervous activity? () A: Cardiac vagus nerve B: Cardiac sympathetic nerve C: Sympathetic vasoconstrictor D: Sympathetic vasodilator E: Parasympathetic nerve

The submandibular ganglion contains preganglionic parasympathetic axons from which cranial nerve? A: oculomotor nerve B: trigeminal nerve C: facial nerve D: hypoglossal nerve E: vagus nerve

Which the following statement about the change of blood pressure is<br/>wrong() A: Clip the side of the common carotid artery, and cause to raise blood<br/>pressure B: Arterial blood pressure is elevated when the sympathetic nerve is<br/>excited C: Vagus nerve inhibits heart activity and lowers arterial blood<br/>pressure D: The excitation of vagus nerve enhances heart activity and arterial<br/>blood pressure elevated E: Intravenous epinephrine, blood pressure rise

Which nucleus gives off parasympathetic preganglionic fibers to enter facial nerve in brainstem? A: inferior salivatory nucleus B: nucleus ambiguus C: superior salivatory nucleus D: dorsal nucleus of vagus nerve

Which nucleus gives off parasympathetic preganglionic fibers to enter facial nerve in brainstem?() A: inferior salivatory nucleus B: nucleus ambiguus C: superior salivatory nucleus D: dorsal nucleus of vagus nerve E: accessory nucleus of oculomotor nerve

Which<br/>nucleus gives off parasympathetic preganglionic fibers to enter<br/>facial nerve in brainstem?() A: inferior<br/>salivatory nucleus B: nucleus<br/>ambiguus C: superior<br/>salivatory nucleus D: dorsal<br/>nucleus of vagus nerve E: accessory<br/>nucleus of oculomotor nerve