AEMT FINAL EXAM PREP

AEMT FINAL EXAM PREP Which layer of the blood vessel is composed of elastic tissue and smooth muscle cells, which allow the vessel to expand or contract in response to the body's demands? - ANSWER tunica media Which of the following MOST accurately describes the correct sequence of events after attaching an AED to a patient in cardiac arrest and pushing the analyze button? - ANSWER "Shock advised" message, stand clear, defibrillate, immediately resume CPR, reanalyze after 2 minutes Unstable angina pectoris is characterized by: - ANSWER chest pain or discomfort that may not be relieved by rest or nitroglycerin, and that occurs without a fixed frequency. The aortic valve: - ANSWER regulates the flow of blood from the left ventricle to the systemic circulation Shortly after administering a second nitroglycerin dose to a 44-year-old male with chest pain, he becomes lightheaded. You take his blood pressure and is reads 80/50 mm Hg. You have already established IV access and are administering oxygen. You should: - ANSWER place him supine and elevate his legs A middle-aged male presents with classic signs and symptoms of a dissecting aortic aneurysm. The MOST important intervention that you can perform for this patient is: - ANSWER prompt transport The fifth link in the cardiac chain of survival includes: - ANSWER temperature regulation and maintenance of glucose levels Which of the following would likely exacerbate pulmonary edema? - ANSWER Increased cardiac preload You are assessing a 62-year-old female who has an automatic implantable cardiac defibrillator (AICD). As you are applying oxygen to her, she becomes unconscious, pulseless, and apneic. You should: - ANSWER begin CPR and apply the AED as soon as possible You receive a call for a 40-year-old female with nausea, dizziness, and a headache. During your assessment, you note that her blood pressure is 190/104 mm Hg. The patient, who is conscious and alert, states that she has a history of hypertension, but admits to being noncompliant with her medications. In addition to IV therapy, appropriate treatment for this patient includes: - ANSWER 100% oxygen and transporting to the closest appropriate facility. When peripheral vascular resistance is increased: - ANSWER afterload increases and stroke volume decreases