The cardiac cycle is
A) when the ventricles are contracting.
B) when the atria are relaxed.
C) when the atria are contracting.
D) when the ventricles are relaxed.
E) all the events involved with a single heart beat.
Correct Answer:
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Q39: How many half-moon shaped,pocketlike cusps are found
Q40: Which action causes the closure of the
Q41: Which may predispose one to inadequate coronary
Q42: During isovolumetric contraction,the atria are in
A)systole.
B)diastole.
Q43: Development of the heart commences in the
Q45: The great cardiac vein runs alongside the
A)anterior
Q47: The sequence of events in the transmission
Q48: Parasympathetic innervation of the heart occurs via
A)CN
Q49: In an EKG,the T wave denotes
A)depolarization of
Q56: The right border of the heart is
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