Intermediate Para-aortic Lymph Nodes Quiz

Q1. Which subgroup of lumbar nodes lies immediately lateral to the abdominal aorta?

• Submental nodes
• Lateral aortic nodes
• Parasternal nodes
• Pretracheal nodes

Q2. Why do testicular lymphatics ascend to para-aortic nodes instead of draining primarily to superficial inguinal nodes?

• The testes develop from the anterior abdominal skin
• Testicular arteries arise from the femoral artery
• The testes originate embryologically in the posterior abdominal wall
• The superficial inguinal nodes lack lymphatic vessels

Q3. Which vessels commonly guide ovarian lymphatics toward para-aortic nodes?

• Inferior epigastric vessels
• Middle meningeal vessels
• Internal thoracic vessels
• Ovarian vessels

Q4. Which renal hilar structures are followed by lymphatics toward lateral aortic nodes?

• Round ligament of the liver
• Renal vessels
• Inferior mesenteric vein only
• Cystic duct

Q5. Which adrenal lymphatic drainage pattern is most accurate?

• Drainage to lumbar para-aortic nodes
• Exclusive drainage to axillary nodes
• No lymphatic drainage
• Exclusive drainage to superficial inguinal nodes

Q6. What is the relationship between lumbar trunks and the cisterna chyli?

• They enter the portal vein directly
• Lumbar trunks commonly join the central lymphatic convergence near the cisterna chyli
• Lumbar trunks terminate in the gallbladder
• They form the ureters

Q7. Which lymph node chain receives lymph ascending from common iliac nodes?

• Popliteal nodes
• Axillary nodes
• Lumbar para-aortic nodes
• Deep cervical nodes

Q8. How are para-aortic nodes related to the inferior vena cava on the right side?

• They form part of a retroperitoneal nodal network around the aorta and vena cava
• They are separated from the great vessels by the peritoneal cavity
• They occur only above the diaphragm
• They lie only within the vena caval lumen

Q9. Which structure does NOT normally drain primarily to para-aortic nodes?

• Scrotal skin
• Ovary
• Testis
• Kidney

Q10. Which pathway correctly traces lymph from a testis toward the central lymphatic circulation?

• Testis, renal pelvis, ureter, thoracic duct
• Testis, portal vein, liver, thoracic duct
• Testis, para-aortic nodes, lumbar trunk, cisterna chyli or thoracic duct
• Testis, superficial inguinal nodes, axillary nodes, thoracic duct