A father asks the nurse how he would know if his child had developed mononucleosis. The nurse explains that in addition to fatigue, which of the following would be most common? 1. Liver tenderness. 2....

A father asks the nurse how he would know if his child had developed mononucleosis. The nurse explains that in addition to fatigue, which of the following would be most common?

1. Liver tenderness.

2. Enlarged lymph glands.

3. Persistent nonproductive cough.

4. A blush-like generalized skin rash.