Advanced Diaphragm Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. Which structure anchors the right crus of the diaphragm?
- T8–T10 vertebrae
- L4–L5 vertebrae
- L1–L3 vertebrae
- T6–T7 vertebrae
Q2. At which vertebral level does the inferior vena cava pass through the diaphragm?
- T8
- T6
- T10
- T12
Q3. Which ligament connects the right and left crura of the diaphragm?
- Median arcuate ligament
- Fibrous pericardium
- Central tendon
- Lateral arcuate ligament
Q4. Which muscle group assists the diaphragm by stabilizing the lower ribs during inspiration?
- Transversus thoracis
- Scalenes
- Sternocleidomastoid
- Quadratus lumborum
Q5. Which embryological defect leads to a posterolateral diaphragmatic hernia (Bochdalek hernia)?
- Septum transversum failure
- Lateral plate mesoderm defect
- Neural tube defect
- Pleuroperitoneal membrane failure
Q6. Which portion of the diaphragm is derived from the pleuroperitoneal folds?
- Pleuroperitoneal folds
- Amnion
- Yolk sac
- Neural crest cells
Q7. Which nerve besides the phrenic nerve carries pain sensation from the peripheral diaphragm?
- Hypoglossal nerve
- Vagus nerve
- Sympathetic chain
- Lower intercostal nerves
Q8. Which major lymphatic structure passes through the aortic hiatus with the aorta?
- Subclavian vein
- Superior vena cava
- Thoracic duct
- Pulmonary artery
Q9. In diaphragmatic contraction, what happens to intrathoracic pressure?
- Decreases
- Increases
- Stays the same
- Reverses
Q10. Which artery supplies the superior surface of the diaphragm?
- Superior mesenteric artery
- Bronchial arteries
- Pulmonary arteries
- Pericardiacophrenic and musculophrenic arteries