Options are not provided in the question. The complete question is as following:
Which lymphatic structure drains lymph from the right upper limb and the right side of the head and thorax?
A) right lymphatic duct
B) lumbar trunk
C) cisterna chyli
D) thoracic duct
Answer: A) Right lymphatic duct
Explanation:
Eventually, the superficial and deep lymphs join to create lymph vessels which are called lymph trunks. Through the right lymphatic duct at the right side of the body controls the drain lymph fluid of the right side of the thorax, ear and right upper limb into the right subclavian vein.
Hence, the correct answer is A) Right lymphatic duct .
