Q20 - Four Congenital Heart Defects and Their Hemodynamic Consequences
Figure Q.20 shows the models of four types of common human congenital heart defects.
Figure 1.
Using the information and data, determine which of the statements are true or which are false.
A. In type 1, the blood volume going to the lungs is lower than normal.
B. In type 2, the stroke volume of the left ventricle is increased.
C. In type 3, the systolic blood pressure at the arms is higher than that in the normal type.
D. In type 4, the pulmonary blood pressure is increased.
Question reproduced from IBO 2016, Theoretical Paper A, licensed under CC BY-NC-SA 4.0 - attributed to the International Biology Olympiad. Open the full exam PDF · Community solutions (unofficial)