Beginner Para-aortic Lymph Nodes Quiz

Q1. Where are the para-aortic lymph nodes primarily located?

• Within the lesser omentum
• Inside the inguinal canal
• Along the abdominal aorta in the retroperitoneum
• Along the axillary artery

Q2. What is another commonly used name for the para-aortic lymph nodes?

• Pectoral lymph nodes
• Lumbar lymph nodes
• Submental lymph nodes
• Popliteal lymph nodes

Q3. Which paired organs drain lymph directly toward para-aortic nodes rather than first following pelvic iliac nodes?

• Parotid glands
• Upper limbs
• Palatine tonsils
• Kidneys

Q4. To which nodes does lymph from the testes primarily drain?

• Para-aortic lymph nodes
• Submandibular lymph nodes
• Superficial inguinal lymph nodes
• Axillary lymph nodes

Q5. Which lymphatic trunks are formed in part by efferent vessels from lumbar para-aortic nodes?

• Bronchomediastinal trunks only
• Jugular lymphatic trunks
• Subclavian lymphatic trunks
• Lumbar lymphatic trunks

Q6. Which body cavity contains the para-aortic lymph nodes?

• Pericardial cavity
• Cranial cavity
• Pleural cavity only
• Abdominal cavity

Q7. Which major vessel is the key landmark for identifying para-aortic lymph nodes?

• Abdominal aorta
• Superior sagittal sinus
• Brachial artery
• Pulmonary trunk

Q8. Which gonad drains lymph toward para-aortic nodes because of its embryologic origin high in the posterior abdomen?

• Ovary
• Scrotal skin
• Prostate only
• Labium majus

Q9. Where do efferent lymphatics from para-aortic lumbar nodes ultimately direct lymph?

• Into the hepatic artery
• Into the renal pelvis
• Directly into the common bile duct
• Toward the lumbar trunks and central lymphatic pathway

Q10. Which statement best describes para-aortic lymph nodes?

• They lie only in the upper limb
• They are major retroperitoneal nodes around the abdominal aorta
• They are located within intestinal villi
• They are superficial nodes of the scalp