Chapter 20: Lymphatic System Herlihy: The Human Body in Health and Illness, 6th Edition

Chapter 20: Lymphatic System Herlihy: The Human Body in Health and Illness, 6th Edition MULTIPLE CHOICE 1. Where does lymph originally come from? a. Spleen b. Thoracic duct c. Interstitium d. Lymph nodes ANS: C 2. Lymph from the right arm and the right side of the head and thorax drains into the a. thoracic duct. b. vena cava. c. right atrium. d. right lymphatic duct. ANS: D 3. Thymosin a. is a hormone. b. is the fluid within the lymph nodes. c. is secreted by all lymph nodes. d. plays no known role. ANS: A 4. The spleen a. removes worn-out blood cells from circulation. b. is avascular. c. is located in the RUQ. d. secretes splenic hormones that control the entire lymphoid system. ANS: A 5. The right lymphatic duct and the thoracic duct empty into the a. jugular vein. b. inferior vena cava. c. portal vein. d. subclavian veins. ANS: D 6. What is the name of the lymph nodes that drain the head and neck region? a. Inguinal b. Cervical c. Thoracic d. Pelvic ANS: B