Question

question 48 which of the following statements regarding lymphatic vessels is false? a the smallest lymphatic vessels are called lymphatic capillaries. b the thoracic duct drains the right arm and right side of the neck and chest. c lymphatic vessels have valves to ensure forward movement of lymph. d there are only two large lymphatic ducts, the right lymphatic duct and the thoracic duct.

Explanation:

The right lymphatic duct drains the right arm and right - side of the neck and chest, while the thoracic duct drains the rest of the body. So statement B is false. Lymphatic capillaries are the smallest lymphatic vessels. Lymphatic vessels have valves for one - way flow of lymph, and there are two main large lymphatic ducts (right lymphatic duct and thoracic duct).

Answer:

B. The thoracic duct drains the right arm and right side of the neck and chest.