The segmented dark-staining grains seen in the photomicrograph are most commonly seen in chromoblastomycosis. Which of the following fungal species listed below is known to cause this disease?

Unbranched sporangiophores with rhizoids that appear opposite the point where the stolon arises at the base of the sporangiophore best describes which zygomycetes?

A hair perforation test is performed using Trichophyton mentagrophytes and T. rubrum. The expected results are:

The mode of transmission for most of the dimorphic fungi is:

Conidiophores of this Dematiaceous fungi bear a chain of large brown conidia, resembling a drumstick, and contain both horizontal and longitudinal septa. What is the most likely identification?

A potentially pathogenic yeast that is usually found as a normal flora in oropharynx but may produce thrush is:

This acid-fast positive actinomycete is considered normal flora of the nasal cavity and may be associated with opportunistic infections.

A 29-year-old patient with acquired immunodeficiency syndrome (AIDS) is suspected of having a Cryptococcus spp. infection in the cerebrospinal fluid (CSF). A CSF specimen is collected and set up on cycloheximide agar. In addition, an India ink stain is set up. The India ink stain reveals encapsulated yeast; however, 3 weeks later, the cycloheximide agar is negative. Which one of the following statements explains this discrepancy?

A 16-year-old male teenager is diagnosed with a fungal infection of his foot, which he acquired at the gym. This infection would most likely be classified as a(n) _______ mycosis.

Partially acid-fast aerobic actinomycetes include: