Which cells are normally housed within lymph nodes?
NK cells and neutrophils
Lymphocytes and neutrophils
NK cells and complement cells
Lymphocytes and macrophages
The Correct Answer is D
A. NK cells and neutrophils: While NK cells can be found in lymph nodes, neutrophils are not typically housed in lymph nodes; they are more abundant in the bloodstream and tissues during acute inflammation.
B. Lymphocytes and neutrophils: Lymphocytes are indeed housed in lymph nodes, but neutrophils primarily migrate to sites of infection or inflammation rather than residing in lymph nodes.
C. NK cells and complement cells: Natural killer cells can be found in lymph nodes, but complement proteins are not cells; they circulate in the blood and become activated in response to pathogens.
D. Lymphocytes and macrophages: Lymph nodes primarily house lymphocytes (B cells and T cells) and macrophages, which play vital roles in the immune response by filtering lymph and
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Carbon dioxide diffuses out of the blood: This describes external respiration in the lungs.
B. Oxygen binds with the hemoglobin: This happens in the lungs during external respiration.
C. Carbon dioxide dissociates from the hemoglobin: This occurs during external respiration when carbon dioxide is released into the lungs.
D. Oxygen diffuses out of the blood: Internal respiration refers to the exchange of gases between the blood and tissues, where oxygen diffuses out of the blood into the tissues for cellular use.
Correct Answer is D
Explanation
A. Bone marrow: The bone marrow is primarily responsible for the production of blood cells, including red blood cells, rather than their removal.
B. Tonsils: The tonsils are part of the immune system and help filter pathogens but are not primarily involved in removing old red blood cells.
C. Thymus: The thymus is involved in the maturation of T-lymphocytes (T-cells) and does not have a role in filtering blood or removing red blood cells.
D. Spleen: The spleen filters the blood, removes old and damaged red blood cells, and helps in the immune response by filtering pathogens.
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