Beginner Diaphragm Quiz

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This quiz contains 10 questions. Click below to begin.

Q1. What is the primary function of the diaphragm?

  • Digestion
  • Circulation
  • Inspiration (inhaling)
  • Excretion

Q2. Which structure passes through the diaphragm at the T8 vertebral level?

  • Aorta
  • Inferior vena cava
  • Esophagus
  • Thoracic duct

Q3. The diaphragm separates which two major body cavities?

  • Cranial and thoracic cavities
  • Abdominal and pelvic cavities
  • Cranial and abdominal cavities
  • Thoracic and abdominal cavities

Q4. Which nerve provides motor innervation to the diaphragm?

  • Phrenic nerve
  • Hypoglossal nerve
  • Vagus nerve
  • Intercostal nerve

Q5. Which structure passes through the diaphragm along with the esophagus?

  • Thoracic duct
  • Sympathetic trunk
  • Vagus nerves
  • Inferior vena cava

Q6. What is the central tendon of the diaphragm made of?

  • Connective tissue
  • Elastic cartilage
  • Muscle fibers
  • Fatty tissue

Q7. Which organ lies immediately below the right dome of the diaphragm?

  • Pancreas
  • Heart
  • Stomach
  • Liver

Q8. Which muscle assists the diaphragm during deep inspiration?

  • External intercostal muscles
  • Rectus abdominis
  • Internal oblique muscles
  • Transversus abdominis

Q9. What is the term for an opening in the diaphragm for major structures?

  • Hiatus
  • Sinus
  • Canal
  • Foramen

Q10. Which condition occurs when abdominal organs protrude into the thoracic cavity through the diaphragm?

  • Hemothorax
  • Pulmonary embolism
  • Pneumothorax
  • Hiatal hernia
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