Exam Cram NCLEX RN Practice Questions Related

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Sinusitis is caused by:

  • A. Bacteria
  • B. Fungus
  • C. Virus
  • D. Any of the above
Correct Answer: D

Rationale: Sinusitis can be caused by bacteria, viruses, or fungi. While bacterial infections are the most common cause, viral or fungal infections can also lead to sinusitis. Therefore, the correct answer is 'Any of the above.' Choices A, B, and C are incorrect because they only represent individual causes of sinusitis, whereas choice D encompasses all possible causes.