N190 Week 5 Exam with verified detailed
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solutions
How big is the heart? - correct answer✔✔5 inches long
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3.5 inch in diameter
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2.5 inches thick
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Which gender's heart is smaller and weighs less? - correct
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answer✔✔Female
Which two methods can be used to assess for a heartbeat? - correct
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answer✔✔Palpation and auscultation !Z !Z
Where do you assess for a heartbeat? - correct answer✔✔The fifth
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intercostal space, left midclavicular line !Z !Z !Z !Z
What way does the blood flow in a healthy person? - correct
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answer✔✔Unidirectionally (one way) !Z !Z
A nurse assesses a patient. The nurse determines there is backflow for
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the patient's blood. What does the indicate? - correct answer✔✔Cardiac
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murmur
What can happen that can lead to blood regurgitation, therefore
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leading to a cardiac murmur? - correct answer✔✔Valve dysfunction (not
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closing properly) and stenosis
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, What is the area of the chest where you listen for heart sounds? -
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correct answer✔✔Precordium
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What is pericardium? - correct answer✔✔A double layered sac enclosing
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the heart
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!Z -Fluid between the layers works to prevent friction during contraction
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When cardiac valves are pathologic, forward blood flow is restricted,
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resulting in regurgitation, which causes what? - correct answer✔✔Cardiac
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murmur
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What is the first heart beat? - correct answer✔✔S1 (lub)
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What causes the S1 sound? - correct answer✔✔Closure of the AV valves
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(mitral and tricuspid)
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When is the S1 sound the loudest? - correct answer✔✔At the apex of
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the heart, when the ventricles are filled
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What is the second heart sound? - correct answer✔✔S2 (dub)
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What causes the S2 sound? - correct answer✔✔Closure of the
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semilunar (pulmonic and aortic) valves
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When does the S2 sound occur? - correct answer✔✔When ventricles
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empty blood into the pulmonary artery and aorta
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When is the S2 sound the loudest? - correct answer✔✔At the base of
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the heart
!Z
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solutions
How big is the heart? - correct answer✔✔5 inches long
!Z !Z !Z !Z !Z !Z !Z !Z !Z
3.5 inch in diameter
!Z !Z !Z
2.5 inches thick
!Z !Z
Which gender's heart is smaller and weighs less? - correct
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
answer✔✔Female
Which two methods can be used to assess for a heartbeat? - correct
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
answer✔✔Palpation and auscultation !Z !Z
Where do you assess for a heartbeat? - correct answer✔✔The fifth
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
intercostal space, left midclavicular line !Z !Z !Z !Z
What way does the blood flow in a healthy person? - correct
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
answer✔✔Unidirectionally (one way) !Z !Z
A nurse assesses a patient. The nurse determines there is backflow for
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
the patient's blood. What does the indicate? - correct answer✔✔Cardiac
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
murmur
What can happen that can lead to blood regurgitation, therefore
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
leading to a cardiac murmur? - correct answer✔✔Valve dysfunction (not
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
closing properly) and stenosis
!Z !Z !Z
, What is the area of the chest where you listen for heart sounds? -
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
correct answer✔✔Precordium
!Z
What is pericardium? - correct answer✔✔A double layered sac enclosing
!Z !Z !Z !Z !Z !Z !Z !Z !Z !
the heart
Z !Z
!Z -Fluid between the layers works to prevent friction during contraction
!Z !Z !Z !Z !Z !Z !Z !Z !Z
When cardiac valves are pathologic, forward blood flow is restricted,
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
resulting in regurgitation, which causes what? - correct answer✔✔Cardiac
!Z !Z !Z !Z !Z !Z !Z !Z
murmur
!Z
What is the first heart beat? - correct answer✔✔S1 (lub)
!Z !Z !Z !Z !Z !Z !Z !Z !Z
What causes the S1 sound? - correct answer✔✔Closure of the AV valves
!Z !Z !Z !Z !Z !Z !Z !Z !Z !Z !Z
(mitral and tricuspid)
!Z !Z !Z
When is the S1 sound the loudest? - correct answer✔✔At the apex of
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the heart, when the ventricles are filled
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What is the second heart sound? - correct answer✔✔S2 (dub)
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What causes the S2 sound? - correct answer✔✔Closure of the
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semilunar (pulmonic and aortic) valves
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When does the S2 sound occur? - correct answer✔✔When ventricles
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empty blood into the pulmonary artery and aorta
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When is the S2 sound the loudest? - correct answer✔✔At the base of
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the heart
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