Vendor: ACSM Exam Code: 010-111 Exam Name: ACSM Certified Personal Trainer QUESTION 1 The C-shaped cartilages of the trachea allow all of the following to occur EXCEPT A. Ciliated movement of mucus-secreting cells. B. Distention of the esophagus. C. Maintenance of open airway. D. Prevention of tracheal collapse during pres- sure changes. Answer: A