Tana, a medical student, is analyzing a tissue specimen under a microscope and sees a microorganism that she thinks is causing the patient's illness. Her instructor tells her that she is incorrect. What was most likely the medical student's
error?
The student identified the microorganism as a fungus, which cannot be seen under a microscope.
The student identified the microorganism as a virus, which cannot be seen under a microscope.
The student identified the microorganism as a parasite, which is not harmful.
The student identified the microorganism as a virus, which is not harmful.