Which transmission-based precaution must be initiated for a patient admitted with confirmed seasonal influenza or pertussis?

Answer and explanation

Correct answer: D. Droplet precautions with surgical mask worn within 1 to 2 meters of the patient

  1. Step 1: Identify the route of transmission for influenza and Bordetella pertussis.
  2. Step 2: These pathogens are transmitted through large respiratory droplets generated during coughing, sneezing, or talking that travel short distances (1–2 meters). Droplet precautions mandate a surgical mask upon entering the patient room.
Answer
Droplet precautions with surgical mask worn within 1 to 2 meters of the patient.
Why not the others: Airborne precautions (negative pressure, N95) apply to measles, varicella, and active pulmonary tuberculosis; contact precautions apply to C. difficile and MRSA; standard precautions alone are insufficient.

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