Respiratory System and Breathing Cycles Quiz
18 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the function of the pleural cavity?

  • To produce mucus for lung protection
  • To support the blood vessels supplying the lungs
  • To prevent friction between the lung layers during breathing (correct)
  • To store air for breathing

Which lung has more lobes and segments?

  • Right lung (correct)
  • Left lung
  • Both lungs have an equal number of lobes
  • Neither lung has lobes

What is the shape of the base of the lung?

  • Triangular
  • Rounded
  • Convex
  • Concave & semilunar (correct)

Which lung does not have a middle lobe?

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

Which fissure separates the upper and lower lobes in the right lung?

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

What does the mediastinal surface of the left lung have?

<p>Large cardiac impression (B)</p> Signup and view all the answers

What is the average respiratory rate per minute?

<p>14 breaths (A)</p> Signup and view all the answers

During expiration, what happens to the capacity of the thoracic cavity?

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

What is the function of the diaphragm during inspiration?

<p>It contracts and moves downward (D)</p> Signup and view all the answers

Which muscle contracts to enlarge the thoracic cavity during breathing cycles?

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

What is the approximate volume of tidal volume (TV) during each breathing cycle?

<p>500 ml (B)</p> Signup and view all the answers

In gas exchange, where does oxygen primarily pass through to reach the blood?

<p>Alveoli walls and capillaries (B)</p> Signup and view all the answers

Where does the exchange of gases in the lungs primarily take place?

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

What type of cells line the distal bronchioles?

<p>Non-ciliated cuboidal-shaped cells (D)</p> Signup and view all the answers

Which nerve is primarily responsible for the nerve supply related to external respiration?

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

What is the function of the pleura in relation to the lungs?

<p>To create a closed sac that contains serous fluid around each lung (C)</p> Signup and view all the answers

Which of the following is true about the visceral pleura?

<p>Adheres to the lung, covering each lobe &amp; passing into the fissures (A)</p> Signup and view all the answers

What is the main function of conducting airways in the respiratory system?

<p>Bring air into the lungs (B)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser