Geographic distribution of dimorphic fungi — Flashcards

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Geographic distribution of dimorphic fungi — Flashcards

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Read Study Notes Questions

"San Joaquin Valley fever" is a buzzword for which fungus?

Coccidioides is a _____ fungus, as its form changes based on the temperature of its environment

Mississippi river valley and Ohio river valley are buzzwords for which fungus?_____

What is the morphology of Sporothrix schenckii in tissue?

Dimorphic fungi exhibit a _____ morphology at ambient temperature and _____ morphology at body temperature.

What type of fungus is Histoplasma capsulatum based on its growth characteristics?

Blastomycces spp.

Coccidioides spp.

Paracoccidioides brasiliensis

#10

Is Candida albicans dimorphic? What are its morphology shapes at different temperatures?

Geographic distribution of dimorphic fungi US Medical PG Flashcards - Medical Study Cards

Master Geographic distribution of dimorphic fungi 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.

Geographic distribution of dimorphic fungi Flashcard Deck - 10 Cards

Flashcard 1: "San Joaquin Valley fever" is a buzzword for which fungus?

Answer: Coccidioides (C. immitis / C. posadasii)

Flashcard 2: Coccidioides is a _____ fungus, as its form changes based on the temperature of its environment

Answer: dimorphic

Flashcard 3: Mississippi river valley and Ohio river valley are buzzwords for which fungus?_____

Answer: Histoplasma capsulatum

Flashcard 4: What is the morphology of Sporothrix schenckii in tissue?

Answer: Dimorphic fungus; seen as cigar-shaped budding yeasts in tissue.

Extra: • Causes Rose Gardener's Disease (lymphocutaneous sporotrichosis). • Treatment: Itraconazole (DOC) or Potassium Iodide (SSKI). • Dimorphism: Mold at 25°C (daisy-like conidia), Yeast at 37°C (cigar-shaped).

Flashcard 5: Dimorphic fungi exhibit a _ morphology at ambient temperature and _ morphology at body temperature.

Answer: mold

Flashcard 6: What type of fungus is Histoplasma capsulatum based on its growth characteristics?

Answer: Dimorphic fungus

Extra: - Transmission: Inhalation of spores from soil contaminated with bird or bat droppings (Mississippi and Ohio River valleys). - Clinical: Histoplasmosis (calcified granulomas in lungs, hepatosplenomegaly). - Treatment: - Local/Mild: Itraconazole - Systemic/Severe: Amphotericin B - Key feature: Macrophages filled with small intracellular yeast.

Flashcard 7: Blastomycces spp.

Answer: dimorphic, broad-base budding

Extra: pneumonialocal - fluconazole or itraconazole systemic - amphotericin B East of Mississippi and Central America

Flashcard 8: Coccidioides spp.

Answer: dimorphic

Extra: Diseases: Pneumonia, meningitis Treatment: - Local/Mild: Fluconazole or itraconazole - Systemic/Severe: Amphotericin B Geography: Southwestern US, California, San Joaquin Valley

Flashcard 9: Paracoccidioides brasiliensis

Answer: Dimorphic fungus; "Captain's Wheel" appearance

Extra: Common in Latin America. Clinical: Pneumonia. Treatment: - Local/Mild: Itraconazole - Systemic/Severe: Amphotericin B

Flashcard 10: Is Candida albicans dimorphic? What are its morphology shapes at different temperatures?

Answer: Yes, it is dimorphic. - 20°C: Pseudohyphae and budding yeasts - 37°C: Germ tubes (hyphae)

Extra: Systemic or superficial infection (thrush, vulvovaginitis, diaper rash, endocarditis...) Treatment: Local - topical azole Systemic - fluconazole, amphotericin B, caspofungin

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Geographic distribution of dimorphic fungi Flashcards for USMLE

Study 10 flashcards on Geographic distribution of dimorphic fungi for USMLE Microbiology. These active recall cards cover the key concepts, clinical associations, and high-yield facts from this chapter of Dimorphic fungi. Each card is designed to test your understanding rather than just recognition, building stronger and more durable memories for exam day.

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There are 10 flashcards for Geographic distribution of dimorphic fungi, covering the key concepts, clinical correlations, and high-yield facts from this chapter of Dimorphic fungi.

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