In a normally functioning heart, the electrical impulses will originate from the:
a. SA node.
b. AV node.
c. bundle of His.
d. Purkinje network.
A
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. One type of injury caused by chronic strain is inflammation of fibrous connective tissue, referred to as ____________________
Fill in the blank(s) with the appropriate word(s).
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Normal interval time for the QT interval is:
A) 0.04-0.12 second. B) 0.33-0.42 second. C) 0.12-0.20 second. D) 1.20-2.00 seconds.
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Indicate whether the statement is true or false
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