Respiratory Anatomy MCQs PDF

Anatomy Department (respiratory module) Follow up questions MCQs: 1. The posterior ethmoidal air sinus opens into which of the following? a. Sphenoethmoidal recess b. Inferior meatus c. Middle meatus d. Superior meatus 2. Which of the...

Anatomy Department (respiratory module) Follow up questions MCQs: 1. The posterior ethmoidal air sinus opens into which of the following? a. Sphenoethmoidal recess b. Inferior meatus c. Middle meatus d. Superior meatus 2. Which of the following air sinuses open into hiatus semilunaris? a. Sphenoethmoidal recess b. Middle meatus c. Inferior meatus d. Superior meatus 3. The tubal elevation is a feature of which of the following structures? a. Oropharynx b. Nasopharynx c. Laryngeopharynx d. Nasal cavity 4.The nasolacrimal duct opens into which of the following areas? a. Superior meatus b. Inferior meatus c. Bulla ethmoidalis d. Middle meatus 5. Cricothyroid muscle is supplied by which of the following nerves? a. Internal laryngeal nerve b. Glossopharyngeal nerve c. External laryngeal nerve d. Recurrent laryngeal nerve 6.Trachial carina lies at which of the following levels? a. Lower border of 3rd thoracic vertebra b. Lower border of 4th thoracic vertebra c. Lower border of 4th cervical vertebra d. Lower border of 6th cervical vertebra 7. Which muscle of the larynx is responsible for abduction of vocal cords a. Lateral cricoarytenoid b. Thyroarytenod c. Cricothyroid d. Posterior cricoarytenoid 8. The cardiac impression in the left lung is related to which of the following structures? a. Right atrium b. Right ventricle c. Left ventricle d. Inferior vena cava 9. The nerve supply of cricothyroid muscle is which of the following nerves? a. Internal laryngeal nerve b. Glossopharyngeal nerve c. External laryngeal nerve d. Recurrent laryngeal nerve 10. Which of the following vessels supplies the lungs themselves with non- oxygenated blood? a. Bronchial artery b. Bronchial vein c. Pulmonary artery d. Pulmonary vein 11.Which muscle is responsible for narrowing the rima glottidis? a. Lateral cricoarytenoid b. Posterior cricoarytenoid c. Transverse arytenoid d. Cricothyroid 12. The costal pleura is supplied by which of the following nerves? a. laryngeal nerve. b. phrenic nerve. c. intercostal nerves. d. vagus nerve 13. All intrinsic muscles of the larynx are innervated by the recurrent laryngeal nerve Except: a. Thyroarytenoid b. Cricothyroid c. Lateral cricoarytenoid d. Posterior cricoarytenoid 14. Which of the following medical terms refers to accumulation of blood in the pleural cavity? a. Pyothorax b. Hemothorax c. Pneumothorax d. Chylothorax 15. Quadrangular membrane forms which of the following? a. Vocal ligament. b. Lateral thyrohyoid ligament. c. Median thyrohyoid ligament. d. Vestibular ligament. 16.The respiratory system is derived embryologically from which of The following? a. Endoderm of The midgut b. Endoderm of The foregut c. Endoderm of the hindgut d. Mesoderm of the septum transversum 17.Which of the following muscles is supplied by the recurrent laryngeal nerve? a- Salpingopharyngeus b- Middle constrictor c- Posterior cricoarytenoid d- Palatopharyngeus 19. The auditory tube opens directly into which of the following? a. Laryngopharynx b. nasopharynx c. oropharynx d. internal ear 20. The upper six pairs of anterior intercostal arteries arise from which of the following arteries? a. Internal thoracic artery b. Superior epigastric artery c. Musculophrenic artery d. Subclavian artery 21. The musculophrenic artery is a branch of which of the following arteries? a. Subclavian artery b. Descending thoracic artery c. Internal thoracic artery d. Aortic arch