Beginner Trachea Quiz

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This quiz contains 10 questions. Click below to begin.

Q1. What is the main function of the trachea?

  • Secretion of enzymes
  • Oxygen exchange
  • Absorption of nutrients
  • Passageway for air

Q2. Where is the trachea located in relation to the esophagus?

  • Within the esophagus
  • Posterior to the esophagus
  • Anterior to the esophagus
  • Lateral to the esophagus

Q3. Which type of cartilage supports the trachea?

  • No cartilage
  • Hyaline cartilage
  • Elastic cartilage
  • Fibrocartilage

Q4. How many cartilage rings are typically found in the trachea?

  • 16–20
  • 10–12
  • 5–8
  • 22–25

Q5. What structure marks the end of the trachea?

  • Alveoli
  • Larynx
  • Primary bronchus
  • Carina

Q6. Which epithelial type lines the trachea?

  • Cuboidal epithelium
  • Simple squamous epithelium
  • Pseudostratified ciliated columnar epithelium
  • Stratified squamous epithelium

Q7. How does the trachea prevent food from entering during swallowing?

  • Epiglottis covers the airway
  • Cough reflex is triggered
  • Food is pushed into the trachea
  • Swallowing inhibits tracheal muscles

Q8. Which muscle bridges the open part of the tracheal cartilage rings posteriorly?

  • Trachealis muscle
  • Cricoarytenoid muscle
  • Thyrohyoid muscle
  • Sternothyroid muscle

Q9. What is the role of mucus in the trachea?

  • Digest particles
  • Transport nutrients
  • Trap dust and microbes
  • Produce oxygen

Q10. Which mechanism helps clear mucus and debris upward from the trachea?

  • Passive diffusion
  • Convection
  • Gravity drainage
  • Mucociliary escalator