NUFT 204 Exam 3 Questions With 100% Correct Answers 2024

NUFT 204 Exam 3 Questions With 100% Correct Answers 2024 primary role of arteries: - answercarry blood away from the heart primary role of veins: - answercarry blood to the heart ______ contain oxygen rich blood - answerarteries what produces S1? - answerclosure of AV valves (mitral and tricuspid; *remember, they close alphabetically! mitral before tricuspid) what produces S2? - answerclosure of semilunar valves (aortic and pulmonic) what heart "events" occur first? - answerleft side take place a split second before right side where is S1 heard best? - answerapex (bottom of the heart; "point of maximal impulse") where is S2 heard best? - answerbase (top of the heart) what part of the stethoscope is used to ascultate murmurs? - answerbell 4 characteristics of heart sounds: - answer- frequency - intensity - duration - timing what heart sound occurs during systole? - answerS1 what heart sound occurs during diastole? - answerS2 location of aortic and pulmonic ascultatory areas: - answer2nd intercostal space location of erb's point: - answer3rd intercostal space what ascultatory area are murmurs heard best? why? - answererb's point; valves come closest to overlapping location of tricuspid ascultatory area: - answer4th intercostal space location of mitral ascultatory area: - answer5th intercostal space, mid-clavicle what do extra heart sounds (S3 & S4) usually correspond with? - answermisfiring of the heart + heart failure what disorders are murmurs generally related to? what is the sound caused by? - answervalve; thickness/speed of the blood flow what is thyrotoxicosis? - answertoo much thyroid hormone circulating in blood stream if a murmur correlates with a carotid sound, its a _____ murmur - answersystolic define stenosis: - answernarrowing of a valve (narrowing causes turbulence) what is a lift or heave? - answerforceful cardiac contractions that cause a slight to vigorous movement of sternum/ribs how should a Pt. be positioned to inspect