Which of the following statements are true about T cells: (select all that apply)
T cells "mature" and become fully functional in the thymus
T cells are produced by stem cells in bone marrow
T cells are produced in the spleen
T cells "mature" and become fully functional in the tonsils
The Correct Answer is B
A. T cells "mature" and become fully functional in the thymus – T cells are produced in the bone marrow, but they mature in the thymus. In the thymus, T cells undergo a selection process to become functional and capable of recognizing specific antigens.
B. T cells are produced by stem cells in bone marrow – T cells originate from stem cells in the bone marrow, where they first begin to develop. However, they mature in the thymus.
C. T cells are produced in the spleen – This is incorrect. While the spleen plays a role in immune responses, T cells are not produced there; they are produced in the bone marrow.
D. T cells "mature" and become fully functional in the tonsils – This is incorrect. Tonsils are part of the lymphatic system and play a role in immune defense, but T cells do not mature there; they mature in the thymus.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is B
Explanation
A. Interleukin is a type of cytokine that plays a role in the immune system, but it is not another name for immunoglobulin.
B. Antibodies are also known as immunoglobulins. They are proteins produced by B cells that recognize and bind to specific antigens to help neutralize or destroy pathogens.
C. Interferon is another type of protein that plays a role in the immune response, particularly in inhibiting viral replication, but it is not the same as immunoglobulin.
D. Antigen is a foreign substance that induces an immune response, but it is not synonymous with immunoglobulin.
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