Term
| What is the definition of dimorphic fungi |
|
Definition
Yeast @ 37 (or in tissue)
Mold @ RT (or in nature) |
|
|
Term
| Where can Histoplasma capsulatum be found? |
|
Definition
Worldwide
In U.S.A.: MS & Ohio River Valley |
|
|
Term
True or False:
Histoplasma capsulatum likes soil enriched with bird manure |
|
Definition
|
|
Term
| How is Histoplasma capsulatum acquired? |
|
Definition
|
|
Term
| Which MO has 95% of cases as asymptomatic & self limited? |
|
Definition
|
|
Term
True or False:
Chronic pulmonary infections with dissemination due to Histoplasma capsulatum can occur |
|
Definition
|
|
Term
| Describe the mold form of Histoplasma capsulatum |
|
Definition
Tuberculate Macroconidia
Teardrop Microconidia |
|
|
Term
| What do you use to identify Histoplasma capsulatum? |
|
Definition
Conversion to yeast phase
Exoantigen test
Nucleic acid probe |
|
|
Term
| What is the Epidemiology of Blastomyces dermatitidis? |
|
Definition
MS, MO, & Ohio River Valley
Canada
Soil & Rotting Wood |
|
|
Term
| What is the disease consistent with Blastomyces dermatitidis? |
|
Definition
|
|
Term
| What are the two routes of acquisition of Blastomyces dermatitidis? |
|
Definition
Usually inhalation
Sometimes cutaneous route |
|
|
Term
| What are the majority of infections of Blastomyces dermatitidis? |
|
Definition
| Symptomatic & self-limiting |
|
|
Term
| What type of infection is typed with Blastomyces dermatitidis? |
|
Definition
| Respiratory tract infection |
|
|
Term
| Describe the Direct Exam KOH for Blastomyces dermatitidis |
|
Definition
| Double Walled Broad Based Budding Yeast (figure 8) |
|
|
Term
| Describe the Microconidia of Blastomyces dermatitidis |
|
Definition
|
|
Term
| Describe the Macroconidia of Blastomyces dermatitidis |
|
Definition
|
|
Term
| What 3 types of methods are used to identify Blastomyces dermatitidis? |
|
Definition
Conversion to yeast phase
Exoantigen test
Nucleic acid probe |
|
|
Term
| What type of agar is effective in the conversion to yeast phase for Blastomyces dermatitidis? |
|
Definition
|
|
Term
| What is the name of the disease associated with Coccidioides immitis? |
|
Definition
|
|
Term
| What is Coccidioidomycosis also known as? |
|
Definition
|
|
Term
| Which MO is attributed to Valley Fever? |
|
Definition
|
|
Term
Which MO can be linked to the following:
60% of cases are asymptomatic & self limiting |
|
Definition
|
|
Term
| Describe the Direct exam with KOH for Coccidioides immitis |
|
Definition
| Thick walled spherule with endospores |
|
|
Term
| What is the Coccidioides immitis culture considered? |
|
Definition
|
|
Term
True or False:
Only mold phase of Coccidioides immitis can be grown in lab |
|
Definition
|
|
Term
Which MO is attributed to the following morphology?
Rectangular or barrel-shaped alternating arthroconidia |
|
Definition
|
|
Term
| What is the morphology of Coccidioides immitis? |
|
Definition
| Rectangular or barrel-shaped alternating arthroconidia |
|
|
Term
| What are 3 ways, other than morphology, to identify Coccidioides immitis? |
|
Definition
Conversion to yeast phase
Exoantigen test
Nucleic acid probe |
|
|
Term
| Is Conversion to yeast phase practical for Coccidioides immitis? |
|
Definition
|
|
Term
| What is the most virulent of all human mycotic agents? |
|
Definition
|
|
Term
| What is the Epidemiology of Paracoccidioides brasiliensis? |
|
Definition
| Found in S. America & part of the U.S.A. |
|
|
Term
| What is the Disease associated with Paracoccidioides brasiliensis? |
|
Definition
|
|
Term
| What type of disease is Paracoccidiomycosis? |
|
Definition
Pulmonary infection
Often disseminates |
|
|
Term
| What are the 3 types of identification methods used for Paracoccidioides brasiliensis? |
|
Definition
Conversion to yeast phase
Exoantigen test
Nucleic acid probe |
|
|
Term
| Describe the yeast phase of Paracoccidioides brasiliensis |
|
Definition
|
|
Term
| Describe the mold phase of Paracoccidioides brasiliensis |
|
Definition
| Unadorned conidiophores "fungal lollipops" |
|
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