Pharmacology Which of the following statements best explains the action of nitroglycerine on coronary vessels: A It mitigates angina pectoris by increasing total coronary flow B It preferentially dilates conducting aeries without affecting resistance aerioles C It preferentially dilates autoregulatory aerioles without affecting the larger aeries D It mainly decreases the after load 💡 Explanation Which of the following statements best explains the action of nitroglycerine on coronary vessels: ✓ Correct Answer: B. It preferentially dilates conducting aeries without affecting resistance aerioles