Infectious diseases on imaging MCQs Radiology

1. The “air crescent sign” on imaging is characteristic of which infection?
a) Aspergillosis
b) Tuberculosis
c) Histoplasmosis
d) Pneumocystis jirovecii pneumonia
Answer: a) Aspergillosis

2. The “ground-glass opacities” seen on CT scans are most commonly associated with:
a) Pneumonia
b) Asthma
c) Chronic obstructive pulmonary disease
d) Pulmonary embolism
Answer: a) Pneumonia

3. The “tree-in-bud” appearance on CT is suggestive of:
a) Tuberculosis
b) Sarcoidosis
c) Histoplasmosis
d) Cystic fibrosis
Answer: a) Tuberculosis

4. In which condition would you most likely see “bubbly” or “cystic” lung lesions on imaging?
a) Pneumocystis jirovecii pneumonia
b) Aspergillosis
c) Cytomegalovirus infection
d) Eosinophilic pneumonia
Answer: b) Aspergillosis

5. The “meniscus sign” on imaging is indicative of which infection?
a) Parapneumonic effusion
b) Tuberculosis
c) Fungal infection
d) Pneumocystis jirovecii pneumonia
Answer: a) Parapneumonic effusion

6. “Cavitary lesions” in the lung on imaging are typically seen in:
a) Tuberculosis
b) Bronchitis
c) Pneumonia
d) Sarcoidosis
Answer: a) Tuberculosis

7. The “halo sign” on CT is indicative of which infection?
a) Aspergillosis
b) Candidiasis
c) Histoplasmosis
d) Pneumocystis jirovecii pneumonia
Answer: a) Aspergillosis

8. The “miliary pattern” on chest X-ray is most commonly associated with:
a) Tuberculosis
b) Lung cancer
c) Pulmonary embolism
d) Chronic obstructive pulmonary disease
Answer: a) Tuberculosis

9. The “cavitary lesions” on chest X-ray are most indicative of which condition?
a) Tuberculosis
b) Cystic fibrosis
c) Histoplasmosis
d) Pulmonary embolism
Answer: a) Tuberculosis

10. The “swiss cheese” appearance on CT is characteristic of which infection?
a) Cystic fibrosis
b) Pneumocystis jirovecii pneumonia
c) Aspergillosis
d) Histoplasmosis
Answer: b) Pneumocystis jirovecii pneumonia

11. The “subpleural nodules” on imaging are most commonly associated with:
a) Tuberculosis
b) Sarcoidosis
c) Fungal infections
d) Pneumonia
Answer: b) Sarcoidosis

12. “Air-fluid levels” in a lung abscess are typically indicative of:
a) Tuberculosis
b) Lung abscess
c) Cystic fibrosis
d) Pneumonia
Answer: b) Lung abscess

13. The “ground-glass opacities” are a classic feature of which infectious disease?
a) Pneumonia
b) Pulmonary embolism
c) Tuberculosis
d) Aspergillosis
Answer: a) Pneumonia

14. “Pleural effusion” seen on imaging is most commonly associated with which type of infection?
a) Tuberculosis
b) Pneumonia
c) Sarcoidosis
d) Cystic fibrosis
Answer: b) Pneumonia

15. The “air bronchogram sign” on imaging is most indicative of:
a) Pneumonia
b) Tuberculosis
c) Lung cancer
d) Chronic obstructive pulmonary disease
Answer: a) Pneumonia

16. The “bullseye sign” on CT is characteristic of which infection?
a) Histoplasmosis
b) Aspergillosis
c) Pneumocystis jirovecii pneumonia
d) Cystic fibrosis
Answer: a) Histoplasmosis

17. “Miliary tuberculosis” on chest X-ray is characterized by:
a) Multiple small nodules
b) Large cavitary lesions
c) Ground-glass opacities
d) Subpleural nodules
Answer: a) Multiple small nodules

18. The “honeycomb lung” appearance on CT is most commonly associated with:
a) Idiopathic pulmonary fibrosis
b) Tuberculosis
c) Aspergillosis
d) Pneumonia
Answer: a) Idiopathic pulmonary fibrosis

19. The “reticular pattern” on CT is indicative of which condition?
a) Interstitial lung disease
b) Cystic fibrosis
c) Tuberculosis
d) Lung abscess
Answer: a) Interstitial lung disease

20. The “air bronchogram sign” is a classic feature of:
a) Consolidation
b) Pneumothorax
c) Pleural effusion
d) Emphysema
Answer: a) Consolidation

21. The “tree-in-bud” pattern on chest CT is most indicative of:
a) Tuberculosis
b) Chronic bronchitis
c) Pneumonia
d) Asthma
Answer: a) Tuberculosis

22. The “cavitary lesion with thick walls” on chest CT is most likely to be seen in:
a) Lung abscess
b) Tuberculosis
c) Aspergillosis
d) Pneumonia
Answer: a) Lung abscess

23. The “air crescent sign” is a classic imaging feature of:
a) Aspergillosis
b) Pneumonia
c) Tuberculosis
d) Histoplasmosis
Answer: a) Aspergillosis

24. The “moth-eaten” appearance on bone X-ray is associated with:
a) Osteomyelitis
b) Osteosarcoma
c) Metastatic disease
d) Tuberculosis
Answer: a) Osteomyelitis

25. The “halo sign” on imaging is typically seen in which condition?
a) Aspergillosis
b) Tuberculosis
c) Histoplasmosis
d) Pneumocystis jirovecii pneumonia
Answer: a) Aspergillosis

26. The “patchy consolidations” on imaging are most commonly seen in:
a) Pneumonia
b) Tuberculosis
c) Sarcoidosis
d) Fungal infections
Answer: a) Pneumonia

27. The “pleural thickening” seen on imaging is indicative of which condition?
a) Tuberculosis
b) Pneumonia
c) Lung abscess
d) Cystic fibrosis
Answer: a) Tuberculosis

28. The “consolidation with air bronchograms” is a classic feature of:
a) Pneumonia
b) Tuberculosis
c) Histoplasmosis
d) Cystic fibrosis
Answer: a) Pneumonia

29. The “ground-glass opacity” on imaging can be a feature of which of the following infections?
a) Pneumonia
b) Aspergillosis
c) Tuberculosis
d) Histoplasmosis
Answer: a) Pneumonia

30. The “cystic lung lesions” seen on imaging are often associated with:
a) Pneumocystis jirovecii pneumonia
b) Tuberculosis
c) Aspergillosis
d) Histoplasmosis
Answer: a) Pneumocystis jirovecii pneumonia

31. The “consolidation with air bronchograms” is typically associated with:
a) Pneumonia
b) Tuberculosis
c) Aspergillosis
d) Cystic fibrosis
Answer: a) Pneumonia

32. The “reticular pattern” on chest CT is indicative of:
a) Interstitial lung disease
b) Pneumonia
c) Tuberculosis
d) Fungal infection
Answer: a) Interstitial lung disease

33. The “miliary pattern” on chest X-ray is most commonly associated with:
a) Tuberculosis
b) Sarcoidosis
c) Pneumonia
d) Histoplasmosis
Answer: a) Tuberculosis

34. The “pleural effusion” observed on imaging is most commonly associated with:
a) Tuberculosis
b) Pneumonia
c) Sarcoidosis
d) Histoplasmosis
Answer: b) Pneumonia

35. The “ground-glass opacity” on CT imaging is commonly seen in:
a) Pneumonia
b) Tuberculosis
c) Aspergillosis
d) Histoplasmosis
Answer: a) Pneumonia

36. The “air-fluid levels” observed in a lung abscess are indicative of:
a) Lung abscess
b) Pneumonia
c) Tuberculosis
d) Histoplasmosis
Answer: a) Lung abscess

37. The “subpleural nodules” are most commonly associated with:
a) Sarcoidosis
b) Tuberculosis
c) Pneumonia
d) Cystic fibrosis
Answer: a) Sarcoidosis

38. The “honeycomb lung” appearance on imaging is a feature of:
a) Idiopathic pulmonary fibrosis
b) Pneumonia
c) Tuberculosis
d) Aspergillosis
Answer: a) Idiopathic pulmonary fibrosis

39. The “halo sign” on CT is most indicative of:
a) Aspergillosis
b) Tuberculosis
c) Histoplasmosis
d) Pneumonia
Answer: a) Aspergillosis

40. The “reticular pattern” on CT is associated with:
a) Interstitial lung disease
b) Pneumonia
c) Tuberculosis
d) Histoplasmosis
Answer: a) Interstitial lung disease

41. The “miliary nodules” on chest X-ray are characteristic of:
a) Tuberculosis
b) Lung cancer
c) Cystic fibrosis
d) Sarcoidosis
Answer: a) Tuberculosis

42. The “air crescent sign” on imaging is typically seen in which condition?
a) Aspergillosis
b) Pneumonia
c) Tuberculosis
d) Cystic fibrosis
Answer: a) Aspergillosis

43. The “ground-glass opacity” on imaging is a classic feature of:
a) Pneumonia
b) Aspergillosis
c) Histoplasmosis
d) Tuberculosis
Answer: a) Pneumonia

44. The “air bronchogram” on imaging is most commonly seen in:
a) Pneumonia
b) Tuberculosis
c) Aspergillosis
d) Histoplasmosis
Answer: a) Pneumonia

45. The “halo sign” on CT scan is suggestive of:
a) Aspergillosis
b) Tuberculosis
c) Pneumonia
d) Histoplasmosis
Answer: a) Aspergillosis

46. The “moth-eaten” appearance of bone on X-ray is indicative of:
a) Osteomyelitis
b) Tuberculosis
c) Osteosarcoma
d) Metastatic disease
Answer: a) Osteomyelitis

47. The “consolidation with air bronchograms” on imaging is most likely associated with:
a) Pneumonia
b) Tuberculosis
c) Aspergillosis
d) Histoplasmosis
Answer: a) Pneumonia

48. The “ground-glass opacities” on chest CT imaging are characteristic of:
a) Pneumonia
b) Tuberculosis
c) Aspergillosis
d) Histoplasmosis
Answer: a) Pneumonia

49. The “honeycomb lung” pattern on imaging is characteristic of:
a) Idiopathic pulmonary fibrosis
b) Pneumonia
c) Tuberculosis
d) Aspergillosis
Answer: a) Idiopathic pulmonary fibrosis

50. The “reticular pattern” on chest CT is indicative of:
a) Interstitial lung disease
b) Pneumonia
c) Tuberculosis
d) Aspergillosis
Answer: a) Interstitial lung disease