B and T cells are:
Lymph nodes
Tonsils
Lymphocytes
Antibodies
The Correct Answer is C
A. Lymph nodes are secondary lymphoid organs where B and T cells can be activated, but they are not the cells themselves.
B. Tonsils are lymphoid tissues that help protect against pathogens, but they are not the cells themselves.
C. Lymphocytes are the correct answer. B cells and T cells are types of lymphocytes, which are white blood cells involved in the adaptive immune response.
D. Antibodies are proteins produced by B cells (specifically plasma cells) in response to pathogens, but they are not cells themselves.
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Related Questions
Correct Answer is C
Explanation
A. Vaccines are preparations that stimulate the immune system to produce an immune response, but they are not classified as killer, helper, regulator, or memory cells.
B. Antibodies are proteins produced by B cells that help neutralize pathogens, but they are not classified as killer, helper, regulator, or memory cells.
C. Granulocytes are a type of white blood cell that includes neutrophils, eosinophils, and basophils, involved in the immune response. However, the correct classification of cells as "killer, helper, regulator, and memory" specifically refers to T cells (not granulocytes). T cells are the cells responsible for these roles:
Correct Answer is C
Explanation
A. Inguinal nodes are located in the groin area, not the neck.
B. Subclavian nodes are found near the clavicle (collarbone), closer to the chest, not specifically in the neck.
C. Cervical nodes are the correct answer. These lymph nodes are located in the neck and are responsible for filtering lymph from the head and neck region.
D. Palatine tonsil is located in the oropharynx (back of the throat), not in the neck, although it is part of the lymphatic system.
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