CMSRN - Cardiac Med-Ed Study Guide questions with correct answers

Heart valves on the right side of the heart CORRECT ANSWER Tricuspid Valve, Pulmonary Valve How does blood flow through the tricuspid valve? CORRECT ANSWER Blood flows from the right atrium, to the right ventricle How does blood flow through the pulmonary valve? CORRECT ANSWER Blood flows from the right ventricle, to the pulmonary arteries Heart valves on the left side of the heart CORRECT ANSWER Aortic valve, mitral valve How does blood flow through the mitral valve? CORRECT ANSWER Blood flows from the left atrium, to the left ventricle How does blood flow through the aortic valve? CORRECT ANSWER Blood flows from the left ventricle, into the aortic arch What does S1 sounds like? What is happening in heart? CORRECT ANSWER S1 is the first heart sound heard (the "lub" in "lub-dub"). The sound is caused by the closure of the mitral and triscupid valves at the start of systole What does S2 sound like? What is happening in the heart? CORRECT ANSWER S2 is the second heart sound heard (the "dub" in "lub-dub"). The sound is caused by the closure of the aortic and pulmonic valves - representing the end of systole What does S3 sound like? What is happening in the heart? CORRECT ANSWER S3 is an extra heart sound, called a gallop. It happens right after S2, and signifies atrial or mitral regurgitation, left ventricular heart failure, or volume overload.