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Micro-ch 22-25
Microbiology-parasitic diseases, viruses, pathogenic fungi,
| Question | Answer |
|---|---|
| Fungi are the most common ______ pathogens | Pl,ant |
| Human my ones are caused by | True fungal and opportunistic pathogens |
| 4 type of fungal infections | Systemic, subcutaneous, cutaneous, superficial |
| _______ fungal pathogen can grow and invade in a healthy, no compromised host. | True/Primary |
| An emerging medical concern fungi emerging to a true pathogen | 10% of all nosocomial infections |
| 4 systemic infections by trie pathogens | Histoplasma (most common), coccidioides, blastomyces, paracoccidioides |
| Histoplasma (eastern and central US) | Causes histoplasmosis, dimorphism, high nitrogen, pulmonary infection progressing to organs and lung disease |
| Coccidioides immitis (in alkaline soil, southwest US-) | Causes coccidioidomyocosis, block like arthroconidia to spherules contains endoscopes in lungs; inhaled from dust |
| Blastomyces dermatitidis (mid west and south east US) | Causes blastomycosis; inhaled conidiophores convert yeasts and multiply in lungs; chronic cutaneous bone and nervous system complications |
| Paracoccidioides brasiliensis | Lung infection through inhalation and inoculation of spores; central and South America |
| Most important fungal pathogens (7) | Aspergillosis, candida, cryptococcosis, pneumocystis, rhizopus, Mucor, absidia |
| Candidiasis infection | Yeast, budding cells form elongate pseudo hyphae and true hyphae, thrush, vulvovaginal, cutaneous; |
| Candida albicans normal flor oral cavity, genitalia and large intestine | 20% of humans |
| Candida albicans account for __% of nosoccomial fungal infections | 80% |
| __% of nosocomial infection deaths | Candida albicans |
| Cryptococcosis and cryptococcosis neoformans | Yeats inhabits soil and pigeon roosts; AIDS, cancer or diabetes pt's experience; infection of lungs lead to cough fever nodules in lungs; can cause neuro damage and death |
| Pneumocystis jiroveci/pneumonia | Small unicellular fungus causes pneumonia; mostly AIDS pt's; forms secretions in lungs that block breathing and can be fatal |
| Aspergillosis | 600 species- 8 human diseases A. Fumigated; threat to AIDS pt's, leukemia and transplant pt's; in lungs, sinus, ear canal, eyelids |
| Invasive aspergillosis | Produce necrotic pneumonia and infection of brain, heart and other organs.. |
| Zygomycosis | Zygomycosisin soil, water, organic debris and food; Rhizopus, absidia Mucor; membranes of nose, eyes, heart and bran of ppl w/ diabetes and malnutrition |
| Subcutaneous my ones | Lymphocyte nexus sport richness, chromoblastomycosis, mycetoma |
| Sport thrip schenckii | |
| Sporotrichosis (rose garners disease); fungus decomposes plant matter in soil, infects appendages and lungs; lymphocytes. Variety plant matter penetrates skin- forms nodule spreads to lymph nodes |
Created by:
gmtassa
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