West Coast EMT Block 2 Exam Correct 100%

What is the process for electrical impulses of the heart? - ANSWER - SA node (the heart's pacemaker) - Upper atrias contract - AV node sends impluses to ventricles - ventricles contract What are the different layers of blood vessels and what are the functions? - ANSWER Tunica adventitia (outermost) - prevents collapse of blood vessel and provides protection Tunica media (middle) Tunica intima (innermost) Where is the temporal pulse? - ANSWER In front of ear on the temple Where is the carotid pulse? - ANSWER side of neck Where is the radial pulse? - ANSWER Thumb side of wrist Where is the brachial pulse? - ANSWER inside of elbow. Check pulse here for patients under 1 year of age. where is the apical pulse? - ANSWER 5th intercostal space, use a stethoscope to hear. where is the femoral pulse? - ANSWER groin area where is the popliteal pulse? - ANSWER behind the knee where is the pedal pulse? - ANSWER top of foot what is ventilation? - ANSWER movement of air in and out of the lungs what is inhalation? - ANSWER Muscular Part of breathing, diaphragm and intercostal muscles contract. Moving air into the lungs. what is exhalation? - ANSWER A passive process during which the lungs recoil as the respiratory muscles relax and the thorax decreases in size. Air moves out of lungs. what is respiration? - ANSWER The process of transferring energy from glucose which goes on in every cell. Oxygen/CO2 moving in and out of the cells/lungs What is negative pressure breathing? - ANSWER Muscle contractions expand lungs, lowering air pressure inside and allow air to be pulled into lungs. what is the uvula? - ANSWER free projection hanging down from