Microbiology pictures Exam questions with answers

Microbiology pictures




Macrophage filled with small intracellular oval bodies. Ohio and Mississippi River Valley
- patient is a cave explorer or farmer - answerHistoplasma capsulatum

Very large mold - pneumonia - East of Mississippi - broad based budding after
inhalation - answerBlastomyces Dermatitidis

Aerobic gram positive acid fast organism - causes pulmonary infection in immune
compromised that looks like TB but has a negative PPD vs cutaneous infection
following trauma in immune competent. See long branching filaments - answerNocardia

Anaerobic gram positive long branching filaments. Causes oral/facial abscesses & is
associated w/ dental caries/extraction or oral facial surgery - yellow sulfur granules -
answerActinomyces