What valve keeps blood from flowing back into the right atrium from the right ventricle?
A) tricuspid valve
B) bicuspid valve
C) mitral valve
D) pulmonary semilunar valve
Correct Answer:
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Q90: What occurs when the pressure in the
Q91: During isovolumetric ventricular contraction ventricular pressure is
A)increasing.
B)decreasing.
C)unchanged.
Q92: The amount of blood ejected by the
Q93: The heart spend more time in diastole
Q94: Valves are said to be _ when
Q96: The first heart sound is produced when
Q97: Cardiac _ channels are called hyperpolarization cyclic
Q98: Increasing the number of slow Ca2+ channels
Q99: Damage to heart valves by antibodies in
Q100: What part of the heart's conduction system
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