After teaching a client about taking daily oral iron preparations for a moderate iron deficiency anemia, which statement by the client indicates to the nurse that additional instruction is needed?

I will call the doctor if my stools turn black

Explanation

Iron supplements are given to patients who have iron deficiency related diseases such as anemia. There are a number of iron preparations that can be given to patients to manage these conditions. These supplements causes the stool to turn black or even green

For example the said client was given oral iron preparations for moderate iron deficiency anemia. When he says he will call a doctor if his stool turns black indicates he will need additional instructions.