MN 551 Unit 9 Chapter 13, 15, 16, 17, 18 | 100% Correct Answers | Verified | Latest 2024 Version

The nurse knows that which of the following phenomena listed below is an accurate statement about axonal transport - Materials can be transported to the nerve terminal by either a fast or slow component An adult male has a new diagnosis of Guillain Barre syndrome. The nurse knows which of the following pathophysiological processes underlie the deficits that accompanied the degeneration of myelin in his peripheral nervous system - Unless re-myelination occurs the axon will eventually die While assessing a critically ill patient in the emergency department the nurse notes on the cardiac monitor an R on T premature ventricular beat that develops into ventricular tachycardia. Immediately the patient became unresponsive. The nurse knows that based on the pathophysiologic principles the most likely cause of this unresponsiveness is - Interruption of the blood/oxygen supply to the brain When educating a patient about to undergo a pacemaker insertion the nurse explains the normal phases of cardiac muscle tissue. During the repolarization phase the nurse will stress that the membranes must be re-polarized before they can be re-excited. Within the cell the nurse understands that - Potassium channels open while sodium channels close causing repolarization to the resting state