Which of the following delays the electrical impulse for muscle contraction, giving the atria time to contract completely and fill the ventricles with blood?

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

Answer: D

Health Professions

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Which of the following is an administrative responsibility of a medical assistant?

a. Filing patient records b. Venipuncture c. Performing ECGs d. Sterilizing medical instruments

Health Professions

________ The price of a given product should be compared on a per unit basis across suppliers, because the price listed by various suppliers may be different for differing quantities

Indicate whether the statement is true or false

Health Professions