Fungal Infections Practice Questions
20 free Fungal Infections practice questions for the Pathology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.
Questions
20 questions
All Fungal Infections questions
- Q1. Which of the following stains is considered the 'gold standard' for visualizing the morphology of fungal elements in tissue sections?
- Q2. A patient with uncontrolled diabetes mellitus presents with a rapidly progressing necrotic lesion of the nasal turbinates. Histology shows broad, ribbon-like,…
- Q3. Which fungal organism is uniquely identified by a thick polysaccharide capsule that appears as a clear 'halo' on an India Ink preparation?
- Q4. A lung biopsy from a patient in the Ohio River Valley shows small, 2–4 micrometer intracellular yeasts within macrophages. This finding is most characteristic…
- Q5. What is the characteristic morphological feature of Aspergillus species in tissue sections?
- Q6. The presence of 'spherules' containing numerous endospores in a lung specimen is diagnostic for which infection?
- Q7. A biopsy of a skin lesion on a gardener's arm shows granulomatous inflammation and small, cigar-shaped yeasts. What is the most likely causative agent?
- Q8. Which of the following fungi is known for producing 'broad-based budding' yeasts in tissue?
- Q9. In a patient with AIDS, a lung wash reveals 'crushed ping-pong ball' appearing cysts on GMS stain. What is the diagnosis?
- Q10. Which fungal infection is characterized by yeasts with a 'Mariner's wheel' appearance due to multiple narrow-based buds?
- Q11. A skin scraping treated with KOH reveals 'spaghetti and meatballs' appearance (short hyphae and yeast clusters). This is diagnostic for:
- Q12. Which of the following is the most common opportunistic fungal infection worldwide, appearing as both yeasts and pseudohyphae?
- Q13. The 'Splendore-Hoeppli phenomenon' is occasionally seen surrounding which type of fungal infection?
- Q14. What is the primary mode of transmission for the major systemic dimorphic fungi (e.g., Histoplasma, Coccidioides)?
- Q15. A patient with a history of old tuberculosis presents with hemoptysis. Radiology shows a 'monod sign' (air crescent) in a lung cavity. This is most likely:
- Q16. Which of the following fungi is typically 'dematiaceous,' meaning it produces melanin in its cell wall?
- Q17. A 'Medlar body' (copper penny body) is a diagnostic feature of which condition?
- Q18. Which fungus is the most common cause of fungal endocarditis in intravenous drug users?
- Q19. In cryptococcosis, the presence of 'soap bubble' lesions is associated with which organ?
- Q20. Which of the following laboratory tests detects a component of the cell wall of many fungi, excluding Mucorales and Cryptococcus?