Which of the following has been proven effective as a treatment for the disease indicated?
O A. Tonsillectomy for strep throat
O B. Bone marrow transplant for breast cancer
O C. Bleeding for rheumatic fever
O D. Penicillin for syphilis

Respuesta :

The answer is D.

Both B and C are incorrect and A is preventative and therefore does not cure an active infection.