NURS 190 Quiz 4 - Questions and Answers

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NURS 190 Quiz 4 - Questions and Answers What size is the heart? length: 5" diameter: 3.5" thickness: 2.5" female heart is smaller and less in weight compared to male What is a ECG electrical represe... ntation of the cardiac cycle are documented by the deflection and reporting paper Pedal pulses lateral to parallel w/ big toe Popliteal pulses medial behind the knee Femoral pulse inguinal area Posterior tibialis grove behind the medial malleolus & Achilles tendon Radial pulses lateral wrist in line w/ thumb Ulnar pulses medial wrist in line with small finger What technique is used to measure heart rate? auscultation & palpation What is another name for PMI (point of maximal impulse)? Heartbeat What way does the blood flow in a healthy individual? Unidirectionally What sound is heard when blood back flows? regurgitation/cardiac murmur What is precordium? area of the chest where the heart sounds are assessed What is pericardium? a double layered sac that encloses the heart When cardiac valves are pathologic... forward back flow is restricted resulting in regurgitation/cardiac murmurs S1 (LUB) 1st heartbeat heard due to the closure of the AV valves when ventricles are filled (loudest at the apex of the heart, heard better in tricuspid/mitral area) S2 (DUB) 2nd heartbeat heard due to the closure of the SEMILUNAR valves when ventricles empty blood to the pulmonic area and aorta (heard loudest at the base [top] of heart) S3 vibration when AV valves open and blood goes to the ventricles (ventricular gallop) (may be heard in HEALTHY children & adults, pregnant woman: 3rd trimester) S4 atrial contraction and ejection of blood to the ventricles in late diastole (atrial gallop) (may be heard in HEALTHY children WELL FIT adult, & HEALTHY elderly) Interatrial septum separates the left and right atrium Interventricular septum separates the left and right ventricles Heart sounds 1+ faint 2+ normal 3+ brisk 4+ bounding [Show More]

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