What event causes the pulmonic valve to open?
A) The P wave
B) An increase in the pressure within the right ventricle
C) "Lubb-dupp"
D) Contraction of the chordae tendineae
Correct Answer:
Verified
Q32: The mitral and the bicuspid valves
A)are semilunar
Q33: Through which of the following semilunar valves
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.
Q38: Which of the following must precede ventricular
Q39: What is the name of the valve
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
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