Dental A patient presents with history of episodic painful edema of face and larynx. Which of the following is likely to be deficient – A Complement C3 B Complement C5 C C1 Esterase Inhibitor D Properidin 💡 Explanation A patient presents with history of episodic painful edema of face and larynx. Which of the following is likely to be deficient – ✓ Correct Answer: C. C1 Esterase Inhibitor