Cardiovascular Emergencies Review Questions with Complete Solutions Graded A+

Cardiovascular Emergencies Review Questions with Complete Solutions Graded A+ Tricuspid - Answers The valve located between the right atrium and the right ventricle that prevents blood from returning to the right atrium is the ____ valve Vena Cava - Answers The right atrium receives deoxygenated blood from the inferior and superior ____, the largest veins in the body Sinoatrial node - Answers The electrical impulse that causes the heart to contract is generated in the right atrium Pulmonary arteries - Answers The arteries that branch off the base of the aorta and supply the heart with oxygen rich blood Thrombus - Answers Blood components respond to injury by forming a clot, or ____, in order to stop bleeding Perfusion - Answers The delivery of oxygen and nutrients from the blood, through the thin capillary walls int o the cells, and the removal of carbon dioxide and other waste products In cases involving a patient complaining of chest pain and/or difficulty breathing, the EMT should suspect - Answers Cardiac problems While patients with known cardiac problems may take a variety of medications, the most commonly prescribed medication is - Answers Nitroglycerin If a patient experiences no relief after one dose of nitroglycerin, another dose may be administered after 3 to 5 minutes if authorized by medical direction, to a maximum of ____ doses - Answers Three Because nitroglycerin lowers blood pressure, it must not be given to a patient whose systolic blood pressure is lower than _____ mmHg - Answers 90 One contraindication to the administration of nitroglycerin is the patient's - Answers Recent ingestion of Viagra Acute Myocardial Infarction - Answers Occurs when a portion of the heart muscle dies because of the lack of an adequate supply of oxygenated blood Capillaries - Answers Tiny blood vessels that connects arterioles to venules Systolic blood pressure - Answers The measured force exerted during the contraction of the heart A common side effect of the administration of nitroglycerin - Answers Headache During cardiac arrest, instead of smooth contractions, the heart shows a different type of electrical activity, most commonly the uncoordinated twiching - Answers Ventricular fibrillation Cardiac arrest in children is most often the results of - Answers Hypoxia Pulseless electrical activity - Answers Heart has rhythm, but is so weakened that it fails to pump, or it does not respond to electrical activity, or there is so much blood loss that there is nothing to pump Asystole - Answers The absence of electrical activity and pumping action in the heart When both atria contract, it is a process known as - Answers Atrial systole Intranodal tract - Answers Electrical impulses travel from the sinoatrial node to the atrioventricular node The P wave is the _____ waveform of the ECG - Answers First In acute coronary syndrome, the word "acute" refers to - Answers Sudden onset Signs or symptoms of angina pectoris - Answers Anxiety, diaphoresis, dyspnea All of the following about aortic dissection - Answers Pain is commonly described as sharp or tearing, synocope may be the only sign in some patients, it is a tear in the inner lining of the aorta Cardiac arrest - Answers An unresponsive patient with no respiration and no pulse Atria - Answers Top two chambers of each side of the heart The blood in the left atrium is ejected through the _____ valve and into the left ventricle upon contraction of the heart - Answers Mitral/Biscuspid The most common symptom of cardiac compromise - Answers Chest pain As an EMT, you should not take the time to try ______ the type or cause of a cardiac emergency - Answers Diagnose Administered as either a sublingual table or a sublingual spray - Answers Nitroglycerin The tree drugs that an EMT may administered to a cardiac patient, with the approval of medical direction - Answers Oxygen, nitroglycerin, aspirin The aim of administering nitroglycerin is to _____ the blood vessels in the heart - Answers Dilate If the responsive patient with chest pain is breathing adequately, but has an SpO2 of 94%, administer oxygen at ___ liters per minute via a(n) _____ - Answers 2 to 4, nasal cannula In general, the EMT's emergency treatment of patients with heart failure or an acute myocardial