Anatomy Table 6.7 Structures Description
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Questions and Answers

What is the function of the respiratory diaphragm?

  • Support intercostal spaces
  • Support intercostal spaces preventing their bulging or pulling in during respiration (correct)
  • Depression of the ribs with internal intercostals
  • Elevation of the ribs
  • Which nerve is responsible for supplying motor fibers to the respiratory diaphragm?

  • First cervical nerve
  • Ansa cervicalis
  • Right phrenic nerve (correct)
  • Right splanchnic nerves
  • Where is the aortic opening located in the diaphragm?

  • Between right crus for right greater and lesser splanchnic nerves
  • Between crura at T₁2 vertebral level (correct)
  • Inferior vena cava opening at Tg vertebra
  • Between sternal and costal parts (foramen of Morgagni)
  • Through which structure does the oesophagus pass in the respiratory diaphragm?

    <p>Right crus at T10 vertebra</p> Signup and view all the answers

    What passes through the inferior vena cava (IVC) opening in the diaphragm?

    <p>Central tendon</p> Signup and view all the answers

    What supplies sensory fibers to the respiratory diaphragm?

    <p>Phrenic nerves</p> Signup and view all the answers

    In which part of the diaphragm are small openings present for right greater and lesser splanchnic nerves?

    <p>Right crus</p> Signup and view all the answers

    Where is areolar tissue present in relation to the diaphragm?

    <p>(Foramen of Morgagni)-superior epigastric vessels</p> Signup and view all the answers

    Where is the deep inguinal ring located?

    <p>1.25 cm above the inguinal ligament at the midinguinal point</p> Signup and view all the answers

    Why are midline incisions of the anterior abdominal wall described as comparatively bloodless?

    <p>Due to poor blood supply in linea alba</p> Signup and view all the answers

    What precaution is taken in paramedian incisions to avoid nerve damage?

    <p>Retracting rectus muscle laterally</p> Signup and view all the answers

    At what level is the deep inguinal ring situated above the inguinal ligament?

    <p>1.25 cm</p> Signup and view all the answers

    Why may midline incisions of the anterior abdominal wall give a weak scar?

    <p>Due to poor blood supply and fibrous tissue in linea alba</p> Signup and view all the answers

    What is the consequence of a weak scar formation due to midline incisions?

    <p>Increased risk of infection</p> Signup and view all the answers

    In what direction is the rectus muscle retracted during paramedian incisions?

    <p>Laterally</p> Signup and view all the answers

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