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Micro-ch 22-25

Microbiology-parasitic diseases, viruses, pathogenic fungi,

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