Medicine A patient presents with history of episodic painful edema of face and larynx. Which of the following is likely to be deficient in this patient? A Properidin B Complement C3 C Complement C5 D CI Esterase Inhibitor 💡 Explanation A patient presents with history of episodic painful edema of face and larynx. Which of the following is likely to be deficient in this patient? ✓ Correct Answer: D. CI Esterase Inhibitor