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Pathophysiology Chapter 12- Test Bank exam with 100% correct answers 2025
Which of the following actions causes the atrioventricular (AV) valves to close? 
A) Increased intraventricular pressure 
B) Depolarization at the AV node 
C) Ventricular relaxation and backflow of blood 
D) Contraction of the atria correct answersA 
 
When stroke volume decreases, which of the following could maintain cardiac output? 
A) Decreased peripheral resistance 
B) Increased heart rate 
C) Decreased venous return 
D) General vasodilation correct answersB 
 
Which of the following descri...