Unit 3: Med-Surg: Cardiac Assessment with correct answers 100% 2026

Unit 3: Med-Surg: Cardiac Assessment with correct answers 100% 2026 Three layers of the heart - Correct Answer *Endocardium* *Myocardium* *Epicardium* The normal heart weighs - Correct Answer 10.6 oz. Thin fibrous sac that surrounds the heart - Correct Answer *Pericardium* Pericardium is divided into two layers called - Correct Answer *Visceral Pericardium*, the layer closest to the heart, adhering to the epicardium. *Parietal Pericardium*, the outer most layer of fibrous tissue encasing the heart. The space between the visceral and parietal pericardium is normally occupied by about - Correct Answer 20 mL of fluid which lubricates the surface of the heart and reduces friction during systole. Right side of heart is part of the - Correct Answer pulmonic circuit, and has low pressures Left side of the heart is part of the - Correct Answer systemic circuit, and has high pressures. S1 sound is produced by - Correct Answer closure of AV valves. S2 sound is produced by - Correct Answer closure of the Aortic and Pulmonic semilunar valves Diastole refers to - Correct Answer the relaxation phase of the cardiac cycle, where all for chambers relax. Systole refers to - Correct Answer the sequence of *atrial contraction* followed by *ventricular contraction* that moves blood through and out of the heart. Normal Resting heart rate is approximately - Correct Answer 60-80 beats per minute.