Denton Cooley founded which major medical institution in Houston?

• A. Texas Heart Institute.
• B. Mayo Clinic.
• C. Cleveland Clinic.
• D. Johns Hopkins.

Answer: (A)

Denton Cooley is a renowned figure in cardiovascular surgery who founded the Texas Heart Institute in Houston to advance research, education, and clinical care for heart disease. This institute became a leading center for innovations in heart surgery and heart disease treatment. The other options—Mayo Clinic, Cleveland Clinic, and Johns Hopkins—are major medical centers located in different cities and were established by different founders, not by Cooley. So the Texas Heart Institute in Houston is the institution associated with him.