Laryngeal Cartilages and Trachea Anatomy Quiz

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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?

It is a blind pouch lined with skin and tactile hairs. Signup and view all the answers

Which structure divides the nasal cavity into symmetrical halves?

Nasal septum Signup and view all the answers

What is the function of the true nostril?

It allows air to enter the nasal vestibule and nasal cavity. Signup and view all the answers

What is the main function of the pulmonary artery?

To supply functional blood to the lungs Signup and view all the answers

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

Cranial lobe Signup and view all the answers

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

To lubricate the movement of the lungs within the pleural sacs Signup and view all the answers

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

Visceral pleura Signup and view all the answers

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

Pig Signup and view all the answers

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

To separate the lobes of the lungs 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?

Ventral line of reflection Signup and view all the answers

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

Diaphragmatic line 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?

Plica Venae Cavae Signup and view all the answers

What does the Plica Venae Cavae enclose?

The caudal vena cava and right phrenic nerve 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?

Costomediastinal recess Signup and view all the answers

Where is the heart placed within the mediastinum?

At the middle of the mediastinum Signup and view all the answers

What structures are contained within the plica venae cavae?

Caudal vena cava Signup and view all the answers

Which of the following is found in the cranial mediastinum?

Thymus Signup and view all the answers

What is located in the middle mediastinum?

Heart Signup and view all the answers

Which nerve is not found in the mediastinum?

Sciatic nerve Signup and view all the answers

What is a characteristic of the caudal mediastinum?

Has the aorta Signup and view all the answers

Which structure is not part of the cranial mediastinum?

Heart Signup and view all the answers

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

Arytenoid cartilage Signup and view all the answers

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

Oval and compressed dorsoventrally Signup and view all the answers

Where is the thoracic part of the trachea located?

In the cranial and middle mediastinum Signup and view all the answers

How many bronchial tree components are listed in the text?

6 Signup and view all the answers

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

The right lung is larger than the left lung Signup and view all the answers

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

Concave Signup and view all the answers