Anatomy of the lungs and pleura
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Questions and Answers

Which of the following structures is NOT part of the lower respiratory tract?

  • Bronchi
  • Vocal folds (correct)
  • Lungs
  • Trachea

What is the main function of the pleural sacs?

  • To support the lungs
  • To surround the lung (correct)
  • To enable normal respiration
  • To protect the thoracoabdominal diaphragm

Where does the apex of each lung extend into?

  • The mediastinum
  • The thoracic cage
  • The root of the neck (correct)
  • The abdominal cavity

What can lead to airway obstruction in the lower respiratory tract?

<p>All of the above (D)</p> Signup and view all the answers

Which structures are closely related to the ribs and have a protective function?

<p>Pleura (D)</p> Signup and view all the answers

What is the anatomical relationship between the lungs and nearby structures?

<p>They are located in the thoracoabdominal diaphragm (A)</p> Signup and view all the answers

Which vessels collect oxygenated blood from the lungs and return it to the left atrium?

<p>Pulmonary veins (A)</p> Signup and view all the answers

What is the function of the bronchial arteries?

<p>To supply blood to the bronchial tree (C)</p> Signup and view all the answers

Where does the superficial lymphatic plexus drain to?

<p>Bronchopulmonary nodes (A)</p> Signup and view all the answers

Which nerves contain parasympathetic, sympathetic, and afferent fibers?

<p>Nerves of the lungs and visceral pleura (A)</p> Signup and view all the answers

What is the function of the parasympathetic fibers in the lungs?

<p>Bronchoconstriction (B)</p> Signup and view all the answers

Which nerves convey pain and touch information from the diaphragm?

<p>Phrenic nerves (C)</p> Signup and view all the answers

Which of the following structures forms a closed sac around each lung?

<p>Visceral pleura (A)</p> Signup and view all the answers

What is the term for a collapsed lung caused by air entering the intrapleural space?

<p>Pneumothorax (C)</p> Signup and view all the answers

What is the main function of the pleural sac?

<p>To facilitate breathing (B)</p> Signup and view all the answers

What would happen if adhesions formed between the layers of the pleural sac?

<p>Breathing efficiency would be permanently reduced (B)</p> Signup and view all the answers

Which part of the airway would an aspirated object most likely enter if the individual is in a supine position?

<p>Left mainstem bronchus (B)</p> Signup and view all the answers

What are the largest subdivisions of lung lobes called?

<p>Bronchopulmonary segments (C)</p> Signup and view all the answers

Which of the following is a function of the hilum of the lung?

<p>To allow the entry and exit of bronchi and vessels (C)</p> Signup and view all the answers

Which of the following is true about the pulmonary ligament?

<p>It is a double fold of pleura that anchors the lung to the mediastinum (A)</p> Signup and view all the answers

What is the correct relationship between the veins and arteries at the hilum of the lung?

<p>Veins are anterior and inferior to arteries (B)</p> Signup and view all the answers

Which mainstem bronchus is an aspirated object most likely to enter?

<p>Right mainstem bronchus (C)</p> Signup and view all the answers

In a supine individual, where might an aspirated object end up?

<p>In the lower lobe of the right lung (B)</p> Signup and view all the answers

At what vertebral level is the carina located?

<p>T3 (C)</p> Signup and view all the answers

Which nerves are responsible for the referred pain from the parietal pleura to the thoracic wall and neck/shoulder?

<p>Intercostal nerves and phrenic nerve (A)</p> Signup and view all the answers

What is the composition of the phrenic nerve?

<p>Ventral rami of spinal nerves from C3, C4, and C5 levels (D)</p> Signup and view all the answers

What is the A-P relationship of the pulmonary arteries and veins as they leave the heart?

<p>The pulmonary arteries are posterior to the pulmonary veins (C)</p> Signup and view all the answers

What is the A-P relationship of the pulmonary arteries and veins at the hilum of the lung?

<p>The pulmonary arteries are anterior to the pulmonary veins (B)</p> Signup and view all the answers

Which vessels run in the septae between bronchopulmonary segments?

<p>Bronchial arteries (D)</p> Signup and view all the answers

Which nerve(s) are responsible for bronchoconstriction and via which muscle(s) is this accomplished?

<p>Vagus nerve and smooth muscle (D)</p> Signup and view all the answers

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