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Home Q & A Board Biology-Related Homework Help Medicine Emergency Medical Care
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jessicakissinge jessicakissinge
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6 years ago
The a wave on an arterial pressure tracing is a result of which of the following during a cardiac cycle?
 
  a. Atrial systole c. Ventricular systole
  b. Atrial diastole d. Ventricular diastole


Q. 2  At what point in the figure do the atrioventricular valves close?
 
  a. B c. E
  b. D d. F


Q. 3  When does the atrial kick begin?
 
  a. Just before atrial systole
  b. During atrial repolarization
  c. During the impulse delay in the atrioven-tricular node
  d. Simultaneously with ventricular excitation


Q. 4  Which of the following is true concerning junctional rhythms?
 
  a. They produce no P waves.
  b. They can produce inverted P waves.
  c. They are only generated high in the atrio-ventricular node.
  d. Their rates can vary from 60 beats/min to 80 beats/min.


Q. 5  At what point in the figure do the semilunar valves close?
 
  a. A c. C
  b. B d. D
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sandhya@123sandhya@123
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6 years ago
Thanks a whole bunch
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