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Author Question: Which structure is considered the pacemaker of the heart? a. AV node b. SA node c. bundle of His ... (Read 90 times)

cookcarl

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on: Jul 18, 2018
Which structure is considered the pacemaker of the heart?
 a. AV node
  b. SA node
  c. bundle of His
  d. Purkinje fibers

Question 2

Which statement regarding the anatomical placement of the heart is CORRECT?
 a. It is positioned exactly midline in the thoracic cavity.
  b. It is positioned in the thoracic cavity with nearly its entirety on the left side.
  c. It is positioned in the mediastinum with approximately 2/3 of the heart on the left side.
  d. It is positioned in the mediastinum with approximately 2/3 of the heart on the right side.


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Chocorrol77

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Reply #1 on: Jul 18, 2018
Answer to Question 1

b

Answer to Question 2

c


cookcarl

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Reply 2 on: Jul 18, 2018
Thanks for the timely response, appreciate it

lindahyatt42

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Reply 3 on: Yesterday
Wow, this really help

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