A mother calls in concerned that her son, a college freshman, has been diagnosed with giardiasis. The nurse would respond to the mother’s concerns by telling her which of the following? 

a. You should have your son come home immediately so that he can be treated appropriately. 

b. This is a very rare disorder; it is not usually seen in this country. 

c. This is the most common protozoal infection seen in this country and is usually transmitted through food or water. 

d. This infection can be treated with oral drugs, and he should be able to get the drugs where his infection was diagnosed. 

e. This is an infection that has to be treated quickly with IV medications. 

f. Encourage your son to get the medicine and to try very hard to eat nutritious food.