When evaluating an asthmatic client's knowledge of self-care, the nurse recognizes that additional instructions are needed when the client makes which of the following statements?
a) I will use my rescue inhaler at the first sign of wheezing or tightness in my chest.
b) I will avoid going outdoors on high pollen days.
c) I will take my steroid inhaler every morning as prescribed.
d) I will take an antihistamine daily to prevent asthma attacks.