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dancingalpaca dancingalpaca
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6 years ago
A nursing student asks a nurse how beta blockers increase the oxygen supply to the heart in the treatment of anginal pain. The nurse tells the student that beta blockers:
 
  a. dilate arterioles to improve myocardial circulation.
  b. improve cardiac contractility, which makes the heart more efficient.
  c. increase arterial pressure to improve cardiac afterload.
  d. increase the time the heart is in diastole.
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liuyihanliuyihan
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6 years ago
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dancingalpaca Author
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6 years ago
this is exactly what I needed
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Yesterday
Thank you, thank you, thank you!
wrote...

2 hours ago
Smart ... Thanks!
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