DAANCE Exam Questions and Answers Learners with complete solution

DAANCE Exam Questions and Answers Learners with complete solution Wave of Depolarization -answeran advancing wave of charge reversal as the nerve impulse advance a long the neuron Wakefullness system -answerconsists of a central core in the brainstem with neurons that radiate to the cortex Vomiting Center -answerthe center in the brainstem that induces vomiting Vital Centers -answercenters in the brainstem that control such physiologic processes as blood pressure and pulse, depth and rate of respiration Vestibular nerve -answerpart of the eighth cranial nerve that is connect with equilibrium and hearing Venule -answerany of the small vessels that collect blood from networks of capillaries and join them to form veins Ventricular tachycardia -answera 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 -answera cardia dsrhythmia in which the pacemaker is in the ventricles rather than in the SA node or atria Ventricular focus -answera displace point of origin for a dysrhythmia that is in the ventricles Ventricular fibrillation -answerarrhythmia characterized by contractions of ventricle muscle fibers due to rapid excitation of myocardial fibers without coordinated contraction of the ventricle Sensory nerve -answera nerve of the peripheral nervous system that conducts impulses from a sense organ to the spinal cord or brain Sinoatrial node -answera microscopic collection of heart muscle fibers where cardiac rhythm originates; also called the pacemaker of the heart sinus arrhythmia -answera cardiac dysrhythmia similar to normal sinus rhythm, but withslight variation in rate with inspiration and expiration sinus bradycardia -answercardiac dysrhythmia similar to normal sinus rhythm except for a slower rate of less than 60 bpm sinus rhythms -answercardiac rhythms