Which of the Following Statements Are True of the Sinoatrial

question 19

Multiple Choice

Which of the following statements are true of the sinoatrial node?
I.It is embedded in the right atrial muscle.
II.It is near the superior vena cava.
III.It initiates the electrical impulses that produce sequential atrial and ventricular contraction.
IV.It is near the right ventricle.

• A) I, II, III
• B) II, III
• C) I, II, III, IV
• D) II, III, IV

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