Laryngeal Cartilages and Trachea Anatomy Quiz
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Questions and Answers

What is the definition of the respiratory system?

  • The system responsible for breathing and exchanging gases in the body. (correct)
  • The system that controls the rate and depth of breathing.
  • The system that provides oxygen to the body and removes carbon dioxide.
  • The system that includes the lungs and associated structures.

Which of the following is part of the conducting portion of the respiratory system?

  • Trachea (correct)
  • Alveolar ducts
  • Pulmonary alveoli
  • Diaphragm

What is the shape of the nostril?

  • Comma-shaped (correct)
  • Round
  • Triangular
  • Rectangular

What is the function of the false nostril?

<p>It is a blind pouch lined with skin and tactile hairs. (A)</p> Signup and view all the answers

Which structure divides the nasal cavity into symmetrical halves?

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

What is the function of the true nostril?

<p>It allows air to enter the nasal vestibule and nasal cavity. (B)</p> Signup and view all the answers

What is the main function of the pulmonary artery?

<p>To supply functional blood to the lungs (D)</p> Signup and view all the answers

Which lobe of the right lung is undivided in the ox, sheep, and goat?

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

What is the purpose of the pleural fluid in the pleural cavity?

<p>To lubricate the movement of the lungs within the pleural sacs (A)</p> Signup and view all the answers

Which type of pleura covers the lungs, except for the hilus and the triangular area of adhesion?

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

Which animal has a tracheal bronchus present in the right lung?

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

What is the purpose of the interlobar fissures in the lungs?

<p>To separate the lobes of the lungs (B)</p> Signup and view all the answers

What is the name of the line of reflection along which the costal pleura turns ventrally to form the mediastinal pleura?

<p>Ventral line of reflection (B)</p> Signup and view all the answers

Which line of reflection is important clinically, as it demarcates the thoracic and abdominal cavities?

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

What is the name of the lace-like sagittal fold of the right pleural sac between the accessory and caudal lobes of the right lung?

<p>Plica Venae Cavae (A)</p> Signup and view all the answers

What does the Plica Venae Cavae enclose?

<p>The caudal vena cava and right phrenic nerve (D)</p> Signup and view all the answers

What is the narrow angular recess of the pleural cavity called, which is formed by the ventral line of reflection?

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

Where is the heart placed within the mediastinum?

<p>At the middle of the mediastinum (D)</p> Signup and view all the answers

What structures are contained within the plica venae cavae?

<p>Caudal vena cava (B)</p> Signup and view all the answers

Which of the following is found in the cranial mediastinum?

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

What is located in the middle mediastinum?

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

Which nerve is not found in the mediastinum?

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

What is a characteristic of the caudal mediastinum?

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

Which structure is not part of the cranial mediastinum?

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

Which cartilage is not considered a single cartilage in the larynx?

<p>Arytenoid cartilage (A)</p> Signup and view all the answers

What is the shape of the tracheal ring in cross-section?

<p>Oval and compressed dorsoventrally (A)</p> Signup and view all the answers

Where is the thoracic part of the trachea located?

<p>In the cranial and middle mediastinum (A)</p> Signup and view all the answers

How many bronchial tree components are listed in the text?

<p>6 (B)</p> Signup and view all the answers

What is the relationship between the right and left lungs in terms of size?

<p>The right lung is larger than the left lung (A)</p> Signup and view all the answers

What is the shape of the lung's base (diaphragmatic surface)?

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

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