ACLS A+ Exam Questions and Answers

Interruptions in chest compressions are only justifiable for the following interventions - ANSWER-Rhythm/pulse checks, defibrillation, and intubation Interruptions in chest compressions should be limited to how many seconds? - ANSWER-10 seconds or less Name three reasons why excessive ventilation should be avoided in cardiac arrest patients - ANSWER-1. Adverse hemodynamic effects from increased intrathoracic pressures 2. Potential decreases in cerebral blood flow when the PaCO2 drops (causing cerebral vasoconstriction) 3. Increased risk of gastric inflation and resultant aspiration Providers should be aware that when a patient's temperature is below normal, lab values for PaCO2 may be _________ than the actual values. - ANSWER-Higher Providers should titrate FiO2 during the post cardiac arrest phase to the lowest level required to achieve an arterial oxygen saturation of ___ or greater. - ANSWER-94% A mean arterial pressure of ____ or greater is the goal following cardiac arrest. - ANSWER-65 mmHg True or false: A post-cardiac arrest patient who is undergoing targeted temperature management is an acceptable candidate for PCI. - ANSWER-True. Concurrent PCI and hypothermia are safe and have good outcomes. In patients undergoing TTM, prognostication using clinical examination should be delayed until at least _______ hours after return to normothermia. - ANSWER-72 hours True or False: Survival rates are poor for arrests associated with rhythms other than Vfib/pulseless Vtach - ANSWER-True. True or False: Many in-hospital arrests are preceded by easily recognizable physiologic changes, many of which are evident with routine monitoring of vital signs. - ANSWER-True. there is often a period of increasing instability before the arrest.