A Patient Has Been Exposed to an Inhaled Fungus, and It

Multiple Choice

A patient has been exposed to an inhaled fungus, and it seems likely that she has a beginning infection. The current approved test for diagnosis is an Ouchterlony test with her antibody sample in a well and several different fungal antigens in wells surrounding it. No precipitin line occurred.

A) The patient does not have this infection.
B) The serum should be repeated at the same concentration.
C) The patient's blood should be drawn again in 2 weeks and retested.
D) None of the above is correct.