What is the name of the valve that prevents backflow of blood into the right atrium when the right ventricle contracts?
A) Mitral
B) Pulmonic
C) Semilunar
D) Tricuspid
Correct Answer:
Verified
Q34: The atrioventricular node (AV node)
A)is the pacemaker
Q35: The correct sequence is: Blood flows from
Q36: The epicardium is a layer of the
A)myocardium.
B)diaphragm.
C)pericardium.
D)endocardium.
Q37: What event causes the pulmonic valve to
Q38: Which of the following must precede ventricular
Q40: What are ventricles "doing" during atrial contraction?
A)Pumping
Q41: The heart
A)lies within the mediastinal and thoracic
Q42: Which structure "sees" oxygenated blood?
A)Tricuspid valve
B)Pulmonary artery
C)Pulmonary
Q43: During ventricular contraction,the
A)AV valves close in response
Q44: Which of the following is most related
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