Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
33 Cards in this Set
- Front
- Back
|
What exist as free living saprobes?
|
Fungi
|
|
|
Circumstances that lead to infection of fungi?
|
1. Changes in the normal intestinal flora resulting from broad spectrum antibiotics
2. Debilitation of the host by the use of therapeutic measures from steroids or other immunosuppressive drugs 3. Alterations of the host's immune system by underlying endocrine disorders |
|
|
What are the 3 general Dermatophytes?
|
1. Microsporum
2. Trichophyton 3. Epidermidophyton |
|
|
Another term for tinea?
|
Ringworm associated with Dermatophytes
|
|
|
What is tinea pedis?
|
Feet fungi
|
|
|
What is tinea capitis?
|
Fungi in the scalp
|
|
|
What is tinea unguium?
|
Fungi in the nails
|
|
|
Where does Histoplasmosis grow?
|
Grows in soil with high nitrogen content, for excretions of bats and birds, caves, old buildings, chicken coops
|
|
|
Coccidiomycosis is seen where?
|
Seen in the Southwestern US and other semi-arid climates in the new world
|
|
|
How is Coccidiomycosis spread?
|
Spread through dust storms and found in soil
|
|
|
What percent of pulmonary disease associated with Coccidiomycosis is asymptomatic?
|
60%
|
|
|
What lab diagnosis do you use to identify Coccidiomycosis?
|
Antibody titer detection,
culturing is dangerous for lab personnel |
|
|
Is Cyptococcosis an encapsulated yeast culture?
|
Yes
|
|
|
What fungi is the leading cause of fungal meningitis?
|
Cryptococcus
|
|
|
What fungi causes significant morbidity in AIDS patients and transplant recipients
|
Cryptococcus
|
|
|
What fungi is associated with a primary pumonary infection that mimics a carcinoma?
|
Cryptococcus
|
|
|
What lab tests are there for Cryptococcus?
|
1. latex agglutiation test for antigens
2. India ink prep of CSF 3. Culture |
|
|
Candida albicans is the major oppertunistic pathogen?
|
Yes
|
|
|
How do fungi gain access to the bloodstream?
|
Through the mouth, GI breach, or using IV catheters or syringes
|
|
|
Does neutropenia predispose a person to systemic fungi infection?
|
Yes
|
|
|
Is Aspergillus found in the environment and not in the human flora?
|
Yes
|
|
|
What fungi is associated with a fungus ball?
|
Aspergillus
|
|
|
Can Aspergillus which causes systemic disease be rapidly fatal?
|
Yes
|
|
|
Radiologic findings of the Halo sign or Crescent sign on a CT scan indicates what fungi infection?
|
Aspergillus
|
|
|
PCP is transmitted by?
|
droplet inhalation and close contact
|
|
|
AIDS patients are at highest risk for this fungal infection with a CD$ count less than 200...
|
PCP
|
|
|
What fungal infection results in death from asphyxiation?
|
PCP
|
|
|
Silver staining is done for which fungi?
|
PCP
|
|
|
Where does Histoplasmosis occur?
|
Occurs worldwide, particularly common in the Midwest US
|
|
|
Who is affected by Histoplasmosis?
|
Up to 80% of long term residents in Ohio and Mississippi River valleys have been infected
|
|
|
Where is Blastomycosis found?
|
Geographically limited to North America and parts of Africa
|
|
|
Is the natural reservoir of Blastomycosis known?
|
no
|
|
|
What serotypes are known to be recovered in pigeon droppins of Cryptococcus?
|
A and D
|
