<prompt> Microscopic examination of a patients sputum shows aseptate fungus. Which of the following is an aseptate fungus?AspergillusCandidaNocardiaRhizopus  <response>: In biopsy specimens, Rhizopus is seen microscopically as nonseptate hyphae with broad, irregular walls and branches that form more or less at right angles. Cultures show colonies with spores contained within a sporangium. These organisms are transmitted by airborne asexual spores and invade tissues of patients with reduced host defenses. Patients with diabetic ketoacidosis, burns, or leukemia are paicularly susceptible. Ref: Levinson W. 2012. Chapter 50. Oppounistic Mycoses. In W. Levinson Ed, Review of Medical Microbiology Immunology, 12e. 