Anatomy Exam Anatomy Lymphatic System 2 — Questions and Answers
Question 1: Which cells produce antibodies within lymph nodes?
- T lymphocytes
- Macrophages
- Plasma cells (Correct answer)
- Natural killer cells
Correct answer: Plasma cells
Plasma cells are differentiated B lymphocytes that secrete antibodies in lymph nodes and other secondary lymphoid organs.
Question 2: Where is the cisterna chyli located?
- Thoracic cavity
- Pelvic cavity
- Abdominal cavity (Correct answer)
- Cranial cavity
Correct answer: Abdominal cavity
The cisterna chyli is a dilated lymphatic sac located in the abdominal cavity at approximately the L1–L2 vertebral level.
Question 3: Which lymph nodes are the primary draining nodes for the lower limb?
- Axillary nodes
- Cervical nodes
- Inguinal nodes (Correct answer)
- Mediastinal nodes
Correct answer: Inguinal nodes
Superficial and deep inguinal lymph nodes are the primary lymphatic draining stations for the lower extremity.
Question 4: What type of connective tissue forms the structural framework of lymph nodes?
- Dense regular connective tissue
- Reticular connective tissue (Correct answer)
- Hyaline cartilage
- Adipose tissue
Correct answer: Reticular connective tissue
Lymph nodes are supported by a meshwork of reticular connective tissue (reticular fibers and fibroblast-like reticular cells).
Question 5: Which organ is responsible for T lymphocyte maturation?
- Spleen
- Lymph node
- Thymus (Correct answer)
- Bone marrow
Correct answer: Thymus
The thymus is the primary lymphoid organ where T lymphocytes mature and develop self-tolerance.
Question 6: Lymphedema most commonly results from:
- Increased arterial blood pressure
- Obstruction or surgical removal of lymphatic vessels (Correct answer)
- Decreased dietary protein intake
- Venous valve insufficiency alone
Correct answer: Obstruction or surgical removal of lymphatic vessels
Lymphedema occurs when lymphatic vessels are blocked or removed, preventing drainage and causing interstitial fluid accumulation.
Anatomy Exam Anatomy Lymphatic System 2
Which cells produce antibodies within lymph nodes?