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?

23. A post-surgical client develops swelling in the lower extremities from excess interstitial fluid. The nurse explains that a second circulatory network returns this fluid to the bloodstream. Which statement best describes this system?

10. Which statement best explains the pacemaker potential in sinoatrial (SA) node cells?

24. A nurse is caring for a client who becomes lightheaded when standing suddenly. The nurse explains that specialized receptors detect this drop in arterial pressure and trigger a reflex response to stabilize blood pressure. Which statement best describes these receptors?

5. A physician determines that a patient’s heart pumps about 5 liters of blood every minute. Which measurement is being described?