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Cardiology › ViewWhat leads to tricuspid regurgitation in the context of RV dilation?
A. Annular dilation and malalignment of the papillary muscles
B. Annular constriction and realignment of the papillary muscles
C. Mitral valve prolapse
D. Aortic valve stenosis
Circulatory System › View
A fist-sized organ that pumps the blood throughout the body?
A. Brain
B. Lungs
C. Heart
D. Circulation