Beginner Lung Quiz

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This quiz contains 10 questions. Click below to begin.

Q1. What is the primary function of the lungs?

  • Gas exchange (oxygen in, carbon dioxide out)
  • Filter blood
  • Produce hormones
  • Digest food

Q2. How many lungs does a typical human have?

  • Three
  • Two
  • Four
  • One

Q3. What separates the lungs from the abdominal cavity?

  • Diaphragm
  • Stomach
  • Liver
  • Pleura

Q4. Which lung has three lobes?

  • Both lungs
  • Neither
  • Right lung
  • Left lung

Q5. Which tube carries air into the lungs from the trachea?

  • Bronchi
  • Esophagus
  • Diaphragm
  • Alveoli

Q6. What is the name of the tiny air sacs where gas exchange occurs?

  • Pleura
  • Capillaries
  • Bronchioles
  • Alveoli

Q7. What covers the outer surface of the lungs?

  • Peritoneum
  • Parietal pleura
  • Endothelium
  • Visceral pleura

Q8. Which muscle is primarily responsible for inhalation?

  • Biceps
  • Rectus abdominis
  • Trapezius
  • Diaphragm

Q9. Which structure connects the larynx to the bronchi?

  • Trachea
  • Esophagus
  • Pharynx
  • Alveoli

Q10. Which lung is slightly smaller and why?

  • Right lung; air pressure differences
  • Left lung; reduced blood supply
  • Left lung; space for the heart
  • Right lung; space for liver
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