Lymphatic System Flashcards
Which of the following is incorrect? Lymph moves through the lymphatic system by:
- blood pressure produced by the cardiac system
- contraction of skeletal muscle
- breathing movements of the thorax
- contraction of smooth muscle
Blood pressure produced by the cardiac cycle
Which of the following is incorrect? Lymph nodes:
- are concentrated in specific areas of the body
- have valves to prevent back flow
- contain B and T lymphocytes
- are glands
Are glands
Lymph returns to the circulatory system …
At the left and right subclavian vein
Which of the following is incorrect? Oedema may be due to:
- a fall in blood osmotic pressure
- swollen lymph nodes
- cancer metastases in the lymphatic system
- a rise in capillary hydrostatic pressure
Swollen lymph nodes
Which of the following is incorrect? Swollen lymph nodes:
- are responding to local infection
- indicate inflammation
- produce lymphocytes
- secret hormones
Secret hormones
Which of the following is incorrect? The functions of the lymphatic system include:
- maintenance of blood volume
- transport of lipids
- production of lymphocytes
- production of tissue fluid
Production of tissue fluid
Which of the following is incorrect? The human thymus:
- promotes development of lymphocytes
- produces thyroxine
- is relatively large in the neonate
- declines in size and activity by he 50
Produces thyroxine
Which if the following is incorrect? The spleen:
- contains large numbers of phagocytic cells
- is a robust organ
- stores iron from recycled erythrocytes
- is the largest lymph node in the body
Is a robust organ
Which of the following is incorrect:
- B and T lymphocytes take up residence in the lymph nodes
- B lymphocytes are produced in the bone marrow
- B and T lymphocytes both start life as a stem cell
- T lymphocytes mature in the thyroid gland
T lymphocytes mature in the thyroid gland
Which of the following aren’t lymphoid tissue or organ:
Tonsils, spleen, peyer’s patches, pancreas, thymus, testes
Pancreas and testes
