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