Opportunistic fungal infections US Medical PG Flashcards - Medical Study Cards
Master Opportunistic fungal infections with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
Opportunistic fungal infections Flashcard Deck - 10 Cards
Flashcard 1: Which stain is used to visualize Cryptococcus neoformans?_____
Answer: India ink
Flashcard 2: A positive germ tube test is strongly indicative of _____.
Answer: Candida albicans (what fungus)
Flashcard 3: _____ is a species of opportunistic fungus that presents as nonseptate hyphae branching at wide angles.
Answer: Mucor spp.
Flashcard 4: Oral thrush of the mouth that appears as a white exudate on mucous membranes is due to _____
Answer: candida albicans (which fungus)
Flashcard 5: Which fungus is urease-positive?_____
Answer: Cryptococcus neoformans
Flashcard 6: The repeating polysaccharide capsular antigens of the Cryptococci capsule are the main virulence factor of the fungus, making it _____
Answer: anti-phagocytic
Flashcard 7: Clinical presentation and treatment of Ancylostoma duodenale/Necator americanus (hookworm) infection?
Answer: Intestinal infection causing iron deficiency anemia; treated with bendazoles or pyrantel pamoate.
Extra: Transmission: Larvae (filariform) penetrate the skin (usually through bare feet). Diagnosis: Eggs in stool. Pathogenesis: Hookworms suck blood from the intestinal wall.
Flashcard 8: Common name for Dracunculus medinensis?
Answer: Guinea worm
Extra: Transmission: Drinking water containing copepods (water fleas) with L3 larvae.
Clinical: Skin inflammation and ulceration (usually on lower limbs).
Treatment: Slow physical extraction of the worm by winding it around a stick.
Flashcard 9: What are the key clinical features and treatment associated with Onchocerca volvulus?
Answer: River blindness, Ivermectin, Female blackfly bite
Extra: - Disease: River blindness (Onchocerciasis)
- Vector: Female blackfly (Simulium)
- Treatment: Ivermectin (Mnemonic: Iver-mectin for River blindness)
- Clinical: Skin nodules, pruritic dermatitis, and blindness due to microfilariae in the eye.
Flashcard 10: Loa loa is also known as?
Answer: African eye worm (Loiasis)
Extra: • Transmission: Chrysops (deer fly, horse fly, mango fly)
• Clinical features: Calabar swellings (subcutaneous edema), worm in conjunctiva
• Treatment: Diethylcarbamazine (DEC)
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