When the electrical impulse leaves the SA node and starts to travel down the conduction pathway, what happens mechanically?

A. Sinus node discharge.
B. Atrial contraction
C. Conduction through the AV node.
D. Ventricular depolarization.

Answer: B. Atrial contraction

Health Professions

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Important approvals, recalls, and communications regarding medical devices can be found on the:

a. Manufacturer's Facebook page. b. FDA website. c. Amazon. d. None of the above

Health Professions

____________________ ____________________ focuses on determining the purpose, use, and users of the form and these determinations dictate the data elements to be contained in the form.

Fill in the blank(s) with the appropriate word(s).

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