What do atrial septal defects and ventricular septal defects have in common?
A) They cause all congenital heart diseases.
B) Both involve abnormal wall openings that separate the heart's right and left sides.
C) Blood flows from right atrium to left atrium.
D) Blood flows from right ventricle to left ventricle.
Question 2
Hypertension means:
A) increased blood pressure
B) increased pulse
C) decreased pulse
D) decreased blood pressure