NUFT 204 Exam 3 (Latest 2023 - 2024) Actual Questions and Answers 100% Correct
1. primary role of arteries:
Answer: carry blood away from the heart
2. primary role of veins:
Answer: carry blood to the heart
- contain oxygen rich blood
Answer: arteries
- what produces S1?
Answer: closure of AV valves (mitral and tricuspid; *remember, they close alphabetically!mitral before tricuspid)
- what produces S2?
Answer: closure of semilunar valves (aortic and pulmonic)
- what heart "events" occur first?
Answer: left side take place a split second before right side
- where is S1 heard best?
Answer: apex (bottom of the heart; "point of maximal impulse")
- where is S2 heard best?
Answer: base (top of the heart)
- what part of the stethoscope is used to ascultate murmurs?
Answer: bell
10. 4 characteristics of heart sounds:
Answer:
- frequency
- intensity
- duration
- timing
- what heart sound occurs during systole?
Answer: S1
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- what heart sound occurs during diastole?
Answer: S2
13. location of aortic and pulmonic ascultatory areas:
Answer: 2nd intercostal space
14. location of erb's point:
Answer: 3rd intercostal space
- what ascultatory area are murmurs heard best? why?
Answer: erb's point; valves come closest to overlapping
16. location of tricuspid ascultatory area:
Answer: 4th intercostal space
17. location of mitral ascultatory area:
Answer: 5th intercostal space, mid-clavicle
- what do extra heart sounds (S3 & S4) usually correspond with?
Answer: misfiring of the heart + heart failure
- what disorders are murmurs generally related to? what is the sound caused by?
Answer: valve; thickness/speed of the blood flow
- what is thyrotoxicosis?
Answer: too much thyroid hormone circulating in blood stream
- if a murmur correlates with a carotid sound, its a murmur
Answer: systolic
22. define stenosis:
Answer: narrowing of a valve (narrowing causes turbulence)
- what is a lift or heave?
Answer: forceful cardiac contractions that cause a slight to vigorous movement of sternum/ribs
- how should a Pt. be positioned to inspect jugular veins?
Answer: 45 degree angle
- position can assist with palpating the apical pulse
Answer: left lateral
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