PARAMEDIC FISDAP FINAL EXAM WITH 100% CORRECT ANSWERS 2023

Percutaneous transtracheal ventilation - Correct answer-needle cricothyrotomy what changes in blood gases occur when a patient is hyperventilating? - Correct answer-decreased CO2; increased PaO2 what is the primary danger to the infant during a precipitous delivery? - Correct answerCerebral Trauma Preload - Correct answer-stretching prior to contraction Afterload - Correct answer-resistance ventricle of the heart has to overcome to eject blood Chronotropy - Correct answer-heart rate inotropy - Correct answer-how hard the heart contracts isotropy - Correct answerautomaticity - Correct answer-cells ability to spontaneously depolarize atherosclerosis - Correct answer-gradual blockage of an artery by cholesterol and hardened deposits syncope - Correct answerwhich vessel provides blood supply to the SA and AV nodes in most patients? - Correct answer-right coronary artery Impulses that originate in both the atria and ventricles simultaneously, meeting somewhere in the heart, create a strange appearing complex. What is that complex known as? - Correct answer-Fusion beat ectopic beat - Correct answer-a heartbeat occurring outside the normal rhythm what are the most common causes of premature atrial contractions? - Correct answerStimulants such as caffeine or tobacco electrical axis of the heart - Correct answer-mean direction of the action potentials traveling through the ventricles