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What is bradycardia?

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Bradycardia is a hea...

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Define the terms end diastolic volume EDV)and end systolic volume ESV)and relate them to the calculation of stroke volume.

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EDV is the amount of blood tha...

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Why is oxygen so much more critical to the heart muscle than to skeletal muscles?

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Cardiac muscle cells are highly dependen...

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Small muscle masses attached to the chordae tendineae are the .


A) trabeculae carneae
B) venae cavae
C) papillary muscles
D) pectinate muscles

E) B) and C)
F) A) and B)

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The left ventricular wall of the heart is thicker than the right wall in order to .


A) accommodate a greater volume of blood
B) pump blood through a smaller valve
C) expand the thoracic cage during diastole
D) pump blood with greater pressure

E) None of the above
F) A) and D)

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