Macrophages and Monocytes found throughout the body make up the:
Appendix
Reticuloendothelial system
Peyer patches
Tonsils
The Correct Answer is B
A. The appendix is an organ that contains lymphoid tissue and plays a role in immune function, but it does not specifically refer to macrophages and monocytes.
B. The reticuloendothelial system (also known as the mononuclear phagocyte system) consists of macrophages and monocytes found throughout the body. These cells are part of the immune system and are responsible for phagocytosis, or the engulfing and digesting of pathogens, dead cells, and debris.
C. Peyer's patches are clusters of lymphoid tissue found in the small intestine that monitor and respond to pathogens in the digestive tract.
D. Tonsils are lymphoid tissues located in the throat, playing a role in immune defense, but they are not part of the reticuloendothelial system.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Oxygen delivery to tissues is the primary function of the circulatory system, not the lymphatic system.
B. Thermoregulation is primarily carried out by the circulatory system and other mechanisms like sweating, not the lymphatic system.
C. The transport of absorbed amino acids from the intestine to the liver is a function of the circulatory system, specifically through the hepatic portal vein, not the lymphatic system.
D. The lymphatic system is involved in the absorption of digested fats through specialized lymphatic capillaries called lacteals in the small intestine. These lacteals absorb fats and transport them into the lymphatic circulation.
Correct Answer is B
Explanation
A. Macrophages are present in mucosal lymphoid tissue and play a role in immune surveillance, phagocytosis, and antigen presentation.
B. Red blood cells are not associated with mucosal lymphoid tissue. They are primarily involved in oxygen transport and do not play a direct role in the immune functions of mucosal lymphoid tissue.
C. Monocytes are a type of white blood cell that can differentiate into macrophages in tissues, including mucosal lymphoid tissue.
D. Dust cells are a type of macrophage found in the lungs, often associated with inhaled particles, and can also be present in mucosal lymphoid tissue.
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