45. Which description explains the function of the tonsils in the lymphatic system?

21. Which statement best describes the effect of vessel length on vascular resistance?

50. Within the lymphatic system, how should immune surveillance be characterized?

20. A nurse is reinforcing teaching about capillary exchange. Which client statement best describes diffusion across capillary walls?

41. A student identifies two sites where lymphocytes are generated and/or mature: the thymus (T-cell maturation) and red bone marrow (lymphocyte production, B-cell maturation). These structures are classified as:

44. After a high-fat meal, milky lymph (chyle) forms in intestinal lacteals as triglyceride-rich chylomicrons enter the lymphatic vessels. This scenario illustrates which lymphatic function?

30. A client’s venous return is reduced after long bed rest. Which mechanism normally assists in moving blood back to the heart but is impaired when a client is immobile?

6. A patient has a narrowing of the valve that allows blood to pass from the left atrium into the left ventricle. Which valve is affected?

29. A client with liver disease is being educated about blood flow to the liver. The nurse explains that nutrient-rich blood from the digestive tract travels through a special vessel before reaching the liver. Which vessel is the nurse describing?

14. Which statement best defines stroke volume?