Transmission of electrical impulses in the heart begins in the ____. 

A. AV node
B. Purkinje fibers
C. bundle of His
D. bundle branches
E. SA node


E. SA node
The sinoatrial (SA) node initiates the heartbeat.

Health Professions

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The physician will advise the patient to perform a breast self-examination every ________, a week after the menstrual period

a. day b. week c. month d. year

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The convention ________ in the Index tells you that it is necessary to reference another Main Term or condition to locate the correct code.

A. And B. Square brackets C. See D. Code also

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Less than half of adults meet the guidelines for recommended physical activity

Indicate whether the statement is true or false

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The mineral ________ reduces the absorption of copper

Fill in the blank(s) with correct word

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