A 21-Year-Old at 12 Weeks' Gestation with Her First Baby

A 21-year-old at 12 weeks' gestation with her first baby has known cardiac disease,class III,as a result of childhood rheumatic fever.During a prenatal visit,the nurse reviews the signs of cardiac decompensation with her.The nurse will know that the client understands these signs and symptoms if she states,"I would notify my doctor if I have:

A) "A pulse rate increase of 10 beats per minute."
B) "Breast tenderness."
C) "Mild ankle edema."
D) "A frequent cough."