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Respiratory System Parts and Functions Quiz

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Respiratory System Parts and Functions Quiz

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Questions and Answers

What is the primary function of the cilia in the nose?

To warm and humidify incoming air

To push mucus and debris toward the throat for swallowing (correct)

To produce a deeper voice

To trap debris and pathogens

What is the role of the epiglottis in the larynx?

To produce a deeper voice

To induce violent coughing if a foreign body is present

To close off the tube so food goes to the esophagus (correct)

To connect the trachea and the pharynx

What is the primary function of the respiratory zone in the lungs?

To produce a deeper voice

To trap debris and pathogens

To perform gas exchange between oxygen and carbon dioxide (correct)

To warm and humidify incoming air

What is the relationship between intra-alveolar pressure and atmospheric pressure?

Intra-alveolar pressure always equalizes with atmospheric pressure Signup and view all the answers

What is the primary function of the trachea?

To extend to the lungs and move air in and out directly Signup and view all the answers

What is the primary function of the pleura in the lungs?

To connect the lungs to the thoracic wall, mediastinum, and diaphragm Signup and view all the answers

Study Notes

Respiratory System Functions

The primary function of the cilia in the nose is to trap dust particles, bacteria, and other debris, preventing them from entering the lungs.

Larynx Functions

The role of the epiglottis in the larynx is to separate the trachea from the esophagus, ensuring that food and liquids enter the esophagus and not the trachea.

Lung Functions

The primary function of the respiratory zone in the lungs is to facilitate gas exchange, where oxygen is absorbed into the bloodstream and carbon dioxide is removed.

Pressure Relationships

Intra-alveolar pressure is equal to atmospheric pressure at the end of expiration, and becomes slightly negative during inspiration, allowing air to enter the lungs.

Trachea Functions

The primary function of the trachea is to conduct air from the larynx to the bronchi, branching into the left and right bronchi, which then enter the lungs.

Pleura Functions

The primary function of the pleura in the lungs is to reduce friction between the lungs and chest wall, allowing for smooth movement during respiration, and providing a closed space for lung expansion.

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Description

Test your knowledge on the parts and functions of the respiratory system, including the nose, pharynx, larynx, trachea, and bronchial tree. Learn about the role of cilia in the nose in filtering out debris and pathogens. Explore how the nose helps in warming and humidifying incoming air.