Respiratory System Anatomy Basics Quiz

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Questions and Answers

Which structure lines the surfaces and fissures of the lung?

  • Mediastinum
  • Parietal layer
  • Visceral layer (correct)
  • Pleural space

What is the narrow inlet of the thoracic cage also known as?

  • Mediastinum
  • Parietal layer
  • Upper opening (correct)
  • Pleural space

How many lobes does the right lung have?

  • Two
  • One
  • Three (correct)
  • Four

What divides the lobes of the right lung?

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

Which structure contains the heart and great vessels?

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

Is the thoracic cage composed of the sternum, the ribs, and the thoracic vertebrae?

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

Is the thoracic cavity composed of the lung and its pleura on each side?

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

Is the apex of the lung located 1 inch below the medial third of the clavicle?

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

Is the right lung divided into 3 lobes: superior, middle, and inferior?

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

Is the pleural space between the visceral and parietal layers of the pleura filled with a large amount of serous fluid?

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

Cortisol promotes the breakdown of tissue protein to form glucose during exercise. (True/False)

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

Cortisol stimulates the storage of glucose in tissues during exercise. (True/False)

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

Cortisol stimulates the mobilization of free fatty acids from adipose tissue during exercise. (True/False)

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

Cortisol inhibits gluconeogenesis in the liver during exercise. (True/False)

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

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Study Notes

Lung Structure and Thoracic Cage

  • The surfaces and fissures of the lung are lined with the pleura.
  • The thoracic inlet, also known as the thoracic aperture, is the narrow inlet of the thoracic cage.
  • The right lung is divided into three lobes: superior, middle, and inferior.
  • The lobes of the right lung are divided by the oblique and horizontal fissures.

Thoracic Cage and Cavity

  • The thoracic cage is composed of the sternum, ribs, and thoracic vertebrae.
  • The thoracic cavity contains the lung and its pleura on each side.

Lung Anatomy

  • The apex of the lung is located approximately 1 inch below the medial third of the clavicle.

Cortisol and Exercise

  • Cortisol promotes the breakdown of tissue protein to form glucose during exercise. (True)
  • Cortisol does not stimulate the storage of glucose in tissues during exercise. (False)
  • Cortisol stimulates the mobilization of free fatty acids from adipose tissue during exercise. (True)
  • Cortisol does not inhibit gluconeogenesis in the liver during exercise. (False)

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