Cells responsible for generating the physical contraction of the heart muscle are the:

A. specialized pacemaker cells.
B. contractile cells.
C. Both are responsible.
D. None are responsible.

Answer: A

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A patient in the _____ position is supine with the feet elevated slightly

A) Trendelenburg B) jackknife C) prone D) dorsal recumbent

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One use of rates and proportions is to predict the future occurrence of a disease, while another use is to identify the determinants of disease.

Answer the following statement true (T) or false (F)

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