NSG 316 EXAM 3 BOLDED QUESTIONS AND ANSWERS GRADED A+ 2025/2026

NSG 316 EXAM 3 BOLDED QUESTIONS
AND ANSWERS GRADED A+ 2025/2026




First heart sound S1 signals... - ANS beginning of systole



First heart sound S1 is loudest at... - ANS the apex



Second heart sound S2 occurs with... - ANS closure of semilunar valves



Second heart sound S2 is loudest at... - ANS the base



Third heart sound S3 occurs... - ANS immediately after S2, when AV valves open and atrial
blood first pours into ventricles



Third heart sound S3 is abnormal in... - ANS -adults may indicate heart failure

-persons over age 35



what happens during the Fourth heart sound S4? - ANS Atria contract and push blood into
noncompliant ventricle




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, murmurs - ANS Gentle, blowing, swooshing sound (turbulent blood flow) that can be heard
on chest wall



what are the characteristics of sound? - ANS frequency or pitch

intesity or loudness

duration

timing



frequency or pitch - ANS described as high pitched or low pitched



intensity or loudness - ANS loud or soft



duration - ANS very short for heart sounds: silent periods are longer



timing - ANS systole or diastole



what kind of artery is the carotid artery? - ANS a central artery, closr to the heart



the carotid artery timing closely coincides with... - ANS ventricular systole



where is the carotid artery pulse located? - ANS in groove between trachea and
sternocleidomastoid muscle



why is it difficult to isolate the "aging process" of the cardiovascular system? - ANS because it
is so closely interrelated with lifestyle, habits, and diseases




2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.