The nurse is assessing the following laboratory results of a client before discharge. Which instruction does the nurse include in the client's discharge teaching plan?
Hemoglobin: 15g/dl : Hematocrit: 45% White Blood Cell Count: 2000/mm3 Platelet Count: 250,000 /mm .
1) Eat a diet high in iron.
2) Do not take any aspirin.
3) Avoid contact sports.
4) Perform good hand hygiene.