CMSRN - Cardiac questions with complete solution 2023

CMSRN - CardiacHeart 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.