DAANCE Exam With Complete Solutions

Wave of Depolarization - ans --an advancing wave of charge reversal as the nerve impulse advance a long the neuron Wakefullness system - ans --consists of a central core in the brainstem with neurons that radiate to the cortex Vomiting Center - ans --the center in the brainstem that induces vomiting Vital Centers - ans --centers in the brainstem that control such physiologic processes as blood pressure and pulse, depth and rate of respiration Vestibular nerve - ans --part of the eighth cranial nerve that is connect with equilibrium and hearing Venule - ans --any of the small vessels that collect blood from networks of capillaries and join them to form veins Ventricular tachycardia - ans --a cardia dsrhythmia in which there is rapid firing of an ectopic focus in the ventricles and a wide QRS complex with no p waves Ventricular rhythms - ans --a cardia dsrhythmia in which the pacemaker is in the ventricles rather than in the SA node or atria Ventricular focus - ans --a displace point of origin for a dysrhythmia that is in the ventricles Ventricular fibrillation - ans --arrhythmia characterized by contractions of ventricle muscle fibers due to rapid excitation of myocardial fibers without coordinated contraction of the ventricle Sensory nerve - ans --a nerve of the peripheral nervous system that conducts impulses from a sense organ to the spinal cord or brain