1. Explain why an incompetent valve reduces the efficiency of the heart contraction. 2. Would symptomatic mitral valve prolapse cause a cyanotic or an acyanotic condition? Explain your reasoning. 3....

1. Explain why an incompetent valve reduces the efficiency of the heart contraction.

2. Would symptomatic mitral valve prolapse cause a cyanotic or an acyanotic condition? Explain your reasoning.

3. List the four defects present in the tetralogy of Fallot and state the effect each has on blood flow.

4. Describe the altered path of blood flow.