A. across a wall B. between branches C. through an outer layer D. through a central opening
A. infarction B. regurgitation C. amplitude D. prolapse
A. atrial prolapse B. pulmonic stenosis C. mitral stenosis D. mitral prolapse
A. incision into the sternum B. removal of the sternum C. narrowing of the sternum D. plastic repair of the sternum
A. within the brain B. within the pericardium C. within the body D. outside the body