Quiz 4

Which organism has broad, aseptate hyphae at right angles, no rhizoids, and branched sporangiophores?

Mucor

How is Rhizomucor different from mucor?

1. Poorly-developed, small rhizoids

2. Branched sporangiophores

3. Rhizoids not directly under sporangiophore base (“internodal”)

Which organism has unbranched sporangiophores with rhizoids opposite the stolon?

Rhizopus

What are the four kinds of infections Aspergillus causes?

1. Allergic bronchopulmonary aspergillosis

2. Chronic Necrotizing pulmonary aspergillosis (CNPA)

3. Aspergilloma

4. Invasive Aspergillus

Which kind of infection causes a fungal ball?

Aspergilloma

How are Aspergillus organisms acquired?

Through inhalation from the environment

What patient populations are susceptible to Aspergillosis?

1. Diabetes

2. Immunosuppressed

3. Immunocompromized

What organism is a rapid grower and is blue-green to smokey gray?

Aspergillus fumigatus

What organism is associated with AIDS and Pneumocystis?

Pneumocystis jirovecii

Why is this organism decreasing in incidence?

Due to HAART therapy

Which organism has cigar-shaped E-cells?

Sporothrix schenckii

What organism has non-budding thick-walls and is seen in tissue?

Coccidioides immitus

Which organism has budding yeast with narrow ends (“pilot wheels”)?

Paracoccidioides braziliensis

Which organism has yeast-like cells with internal crosswalls?

Talormyces (Penicillium mornephii)

Which organism has a single bud connected by a broad base?

Blastomyces dermatitidis

Which organism is small, round oval yeast cells?

Histoplasma capsulatum