Medicine In a patient with cystic fibrosis, high fever with productive cough. Most common causative organism is A Pseudomonas aerugenosa B H influenzae C Staph aureus D Streptococcus 💡 Explanation In a patient with cystic fibrosis, high fever with productive cough. Most common causative organism is ✓ Correct Answer: A. Pseudomonas aerugenosa