NUR 1009 Week 3 Test
With Solution
What is the S1 heart sound caused by?
closure of the mitral and tricuspid valves
What is systole?
Contraction of the heart
What is the beginning of systole?
S1
What is the S2 heart sound caused by?
closure of aortic and pulmonic valves
What is the beginning of diastole?
S2
What sound is S1 (lub or dub)?
lub
What sound is S2 (lub or dub)?
dub
What heart sound is S3?
, ventricular gallop, lub-dub-dub.
What can an audible S3 sound be indicative of?
heart failure or mitral regurgitation
What heart sound is S4?
occurs just before S1 when the atria contract to force blood into the ventricle
What can S4 indicate?
aortic stenosis, acute ischemia, hypertension, heart disease, or mi
What is aortic stenosis?
narrowing of the aortic valve
What is acute ischemia?
hypoxia to tissues from sudden lack of blood supply
What does S4 sound like?
la-hub-dub
What is a heart murmur?
abnormal heart sound is typically due to a leaky valve
What does a systolic heart murmur sound like?
swoosh-dub
When would you take an apical pulse?
young children, before certain drugs are administered, if you have difficulty
palpating a peripheral pulse, or when the peripheral pulse is irregular
With Solution
What is the S1 heart sound caused by?
closure of the mitral and tricuspid valves
What is systole?
Contraction of the heart
What is the beginning of systole?
S1
What is the S2 heart sound caused by?
closure of aortic and pulmonic valves
What is the beginning of diastole?
S2
What sound is S1 (lub or dub)?
lub
What sound is S2 (lub or dub)?
dub
What heart sound is S3?
, ventricular gallop, lub-dub-dub.
What can an audible S3 sound be indicative of?
heart failure or mitral regurgitation
What heart sound is S4?
occurs just before S1 when the atria contract to force blood into the ventricle
What can S4 indicate?
aortic stenosis, acute ischemia, hypertension, heart disease, or mi
What is aortic stenosis?
narrowing of the aortic valve
What is acute ischemia?
hypoxia to tissues from sudden lack of blood supply
What does S4 sound like?
la-hub-dub
What is a heart murmur?
abnormal heart sound is typically due to a leaky valve
What does a systolic heart murmur sound like?
swoosh-dub
When would you take an apical pulse?
young children, before certain drugs are administered, if you have difficulty
palpating a peripheral pulse, or when the peripheral pulse is irregular
