The Nurse Will Plan Discharge Teaching About the Need for Prophylactic

The nurse will plan discharge teaching about the need for prophylactic antibiotics when having dental procedures for which patient?

A) Patient admitted with a large acute myocardial infarction.
B) Patient being discharged after an exacerbation of heart failure.
C) Patient who had a mitral valve replacement with a mechanical valve.
D) Patient being treated for rheumatic fever after a streptococcal infection.