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angelica rubio
week 13 assignment- Content from week 11
| Question | Answer |
|---|---|
| What is the key difference between lymph/interstitial fluid and blood plasma? | Lymph and interstitial fluid have fewer proteins than plasma. |
| Where does about half of the lymph entering the thoracic duct come from? | Much of it comes from the liver and the small intestine. |
| Is the lymphatic system a closed loop like the circulatory system? | No, it is not a closed circuit. |
| How is the breast area drained by lymphatics? | Lymph drains from both the deeper breast tissue and the skin including the areola and nipple. |
| Lacteals are special lymph capillaries located where? | In the small intestine. |
| Hassall corpuscles are found in which lymphatic organ? | The thymus. |
| What is the body’s first physical barrier against germs? | The skin. |
| Which substance destroys germs by making the environment very acidic? | Hydrochloric acid. |
| Lymph ducts drain into which blood vessels? | The subclavian veins. |
| Which white blood cell type controls adaptive immunity? | Lymphocytes. |
| Interferon mainly stops the spread of what? | Viruses. |
| What are the lymph nodes above the elbow bend called? | Supratrochlear lymph nodes. |
| How large can lymph nodes be? | They can range from about 1 mm to over 20 mm. |
| What is the role of the cisterna chyli? | It collects lymph (chyle) coming from the lower body and digestive tract. |
| What is the lighter center inside a lymph node nodule called? | The germinal center. |
| What do we call the ring of lymph tissue in the throat region? | The tonsils. |
| Pre-T cells become rapidly dividing cells called what in the thymus? | Thymocytes. |
| What do we call immunity that responds to anything the body recognizes as foreign? | Nonspecific immunity. |
| What type of blood cell is made inside lymph nodes? | Monocytes. |
| What are the lymph nodes in the groin area called? | Inguinal lymph nodes. |