Respiratory System Quiz

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What is the name of the structure that connects the nasal and oral cavities to the larynx?

Epiglottis

Pharynx (correct)

Trachea

Bronchi

What happens when the chest's capacity increases during ventilation?

The turbinate bones obstruct the air flowing through the nasal passages

The diaphragm returns to its previous position

Air enters through the trachea, inflating the lungs (correct)

The lungs recoil and force air out through the bronchi

What is the function of the turbinate bones in the nasal passages?

Detect odors in the inhaled air

Provoke sneezing to expel irritating dust

Increase the mucous membrane surface and slightly obstruct the air flow (correct)

Warm the inhaled air to body temperature

Where is the nasopharynx located?

Posterior to the nose and above the soft palate Signup and view all the answers

What is the function of the pharynx?

Connect the nasal and oral cavities to the larynx Signup and view all the answers

What is the main cause of hypoxia after thoracic or abdominal surgery and most types of respiratory failure?

Shunting of blood Signup and view all the answers

Which type of alveolar cells secrete surfactant, a phospholipid that prevents alveolar collapse?

Type II Alveolar cells Signup and view all the answers

What is the result of severe hypoxia when the amount of shunting exceeds 20%?

Severe hypoxia Signup and view all the answers

What causes a ventilation–perfusion V ̇/Q ̇ imbalance in the lung?

Inadequate ventilation, inadequate perfusion, or both Signup and view all the answers

What is the filling of the pulmonary capillaries with blood known as?

Perfusion Signup and view all the answers

Respiratory System Quiz

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Questions and Answers

What is the name of the structure that connects the nasal and oral cavities to the larynx?

What happens when the chest's capacity increases during ventilation?

What is the function of the turbinate bones in the nasal passages?

Where is the nasopharynx located?

What is the function of the pharynx?

What is the main cause of hypoxia after thoracic or abdominal surgery and most types of respiratory failure?

Which type of alveolar cells secrete surfactant, a phospholipid that prevents alveolar collapse?

What is the result of severe hypoxia when the amount of shunting exceeds 20%?

What causes a ventilation–perfusion V ̇/Q ̇ imbalance in the lung?

What is the filling of the pulmonary capillaries with blood known as?

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