Anatomy A 35-year-old female is under general anesthesia. Prior to laryngeal intubation the rima glottidis is opened by which pair of muscles? A Posterior cricoarytenoids B Lateral cricoarytenoids C Thyroarytenoids D Transverse arytenoids 💡 Explanation A 35-year-old female is under general anesthesia. Prior to laryngeal intubation the rima glottidis is opened by which pair of muscles? ✓ Correct Answer: A. Posterior cricoarytenoids