Respiratory System Overview

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Questions and Answers

What is the main function of the nose in the respiratory system?

  • To drain tear glands
  • To produce sound
  • To connect the pharynx to the larynx
  • To filter and moisten incoming air (correct)

Which part of the pharynx is located at the junction of the oral cavity?

  • Tonsils
  • Nasopharynx
  • Oropharynx (correct)
  • Laryngopharynx

What is the primary function of the larynx?

  • To connect the pharynx to the trachea (correct)
  • To filter air
  • To drain tear glands
  • To produce sound

What structures within the larynx are responsible for producing sound?

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

Which of the following factors affects the pitch of an individual's voice?

<p>The length and elasticity of the vocal cords (B)</p> Signup and view all the answers

Which part of the upper respiratory tract filters, warms, and moistens incoming air?

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

What is the main function of the Adam's apple (laryngeal prominence)?

<p>It helps to produce sound by vibrating the vocal cords. (D)</p> Signup and view all the answers

Which part of the respiratory system is responsible for filtering, warming, and humidifying the air before it reaches the lungs?

<p>The nose and nasal cavity (C)</p> Signup and view all the answers

What is the primary function of the pharynx?

<p>To facilitate the movement of food and air (B)</p> Signup and view all the answers

Which structure in the larynx is responsible for producing sound?

<p>The vocal cords (A)</p> Signup and view all the answers

What is the primary function of the mucus and cilia lining the trachea?

<p>To keep the lungs clean by trapping and removing dirt and debris (B)</p> Signup and view all the answers

What is the main purpose of the diaphragm during breathing?

<p>To move air in and out of the lungs (D)</p> Signup and view all the answers

What is the main function of the respiratory center in the medulla oblongata?

<p>To control the movement of the diaphragm and intercostal muscles (B)</p> Signup and view all the answers

What is the primary factor that stimulates the respiratory center to initiate inspiration?

<p>Increasing levels of carbon dioxide and hydrogen ions in the blood (C)</p> Signup and view all the answers

What is the primary function of the diaphragm during inspiration?

<p>To contract and pull the rib cage upward and outward (D)</p> Signup and view all the answers

What is the main difference between tidal volume and vital capacity?

<p>Tidal volume is the air that is exchanged during normal breathing, while vital capacity is the total air capacity of the lungs (C)</p> Signup and view all the answers

What is the primary function of the larynx?

<p>To produce sound for speech and vocalization (B)</p> Signup and view all the answers

What is the main role of the vocal cords in sound production?

<p>They vibrate to generate sound waves that are then shaped into speech (D)</p> Signup and view all the answers

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