The nurse is reinforcing education to parents of a child with sickle cell anemia. Which of the following instructions should be reinforced?

Select all that apply.
a. Increase the amount of fluids throughout the day
b. Perform vigorous exercise for 60 minutes a day
c. Avoid areas with high altitudes
d. Notify the primary healthcare provider (PHCP) for any illnesses
e. Good hand hygiene after using the bathroom and before meals