A 22-year-old man is admitted to the emergency department and intubated. An endotracheal tube is passed through an opening between the vocal folds. What is the name of this opening?

• piriform recess

• vestibule

• ventricle

• rima glottidis

• pharyngeal recess

All intrinsic muscle in the larynx are innervated by the recurrent laryngeal nerve, except?

• transverse arytenoid

• oblique arytenoid

• posterior cricoarytenoid

• cricothyroid

• vocal ligament

Trachea will bifurcate into two main bronchi on the level of..

• Th II/III

• Th III/IV

• Th IV/V

• Th V/VI

• Th VI/VII

Where in the tracheobronchial tree is the most common site for a foreign object to lodge?

• The right primary bronchus

• The left primary bronchus

• he carina of the trachea

• The beginning of the trachea

• The left tertiary bronchus

what are the bronchopulmonary segment of right superior lobar?

• Superior, medial, lateral, medial basal

• Apical, anterior, posterior

• Posterior, anterior, superior, lateral

• Apical, lateral, medial, lateral basal

• Anterior, superior, medial, lateral

Which structure below is included in superior mediastinum?

• Aortic arch

• heart

• pericardium

• esophagus

• trachea

What is the function of the external intecostal muscle?

• depresses costal cartilage

• depress ribs

• depress diaphragm

• elevates ribs

• elevates diaphragm

Thoracic duct enters the abdomen region through a hiatus on diagphragm on the level of vertebrae….

• VIII

• IX

• X

• XI

• XII

Thoracic vertebrae IV-V is an important mark to determine the position of important anatomical structures such as…

• Second rib

• Xyphoid process

• Inferior limit of pulmonary trunk

• border for mediastinum anterior and posterior

• bifurcation of primary bronchi to secondary bronchi

Which muscles open the rima glottidis?

• Posterior cricoarytenoids

• Lateral cricoarytenoids

• Thyroarytenoids

• Transverse arytenoids

• Cricothyroids