Physiology Test Question

Of the conductive tissues of the heart, only these cells can directly stimulate cardiac myocytes to contract:

	(A) Cells of the sinoatrial (SA) node
	(B) Cells of the atrioventricular (AV) node
	(C) Fibers of the bundle of His
	(D) Fibers of the left and right bundle branches
	(E) Purkinje fibers

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Posted: Saturday, August 9, 2014

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