Larynx

Abductors of larynx are_______________? A. Posterior cricoarytendoids B. Transverse arytenoids C. Cricothyroid D. All of the above

Lymph from lower lip – middle part drains directly into _______________? A. Submandibular nodesB. Submental nodes C. Sublingual nodes D. Preauricular nodes

Muscles which open the glottis are________________? A. Cricothyroid B. Thyroarytenoid C. Posterior cricoarytenoidD. Lateral cricoarytenoid

The nerve that is related to pyriform recess in pharynx__________________? A. Rcurrent laryngeal B. External laryngealC. Internal laryngeal D. Glosso pharyngeal