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Questions and Answers
What is the function of intrinsic factor in the body?
What is the function of intrinsic factor in the body?
- To form a pore-like structure in the membranes of target cells
- To defend the body against infectious agents and foreign substances
- To protect vitamin B12 from degradation by stomach acids and facilitate its uptake (correct)
- To puncture holes in the cell membranes of bacteria and viruses
Which type of cells in the stomach lining release intrinsic factor?
Which type of cells in the stomach lining release intrinsic factor?
- Lymphocytes
- Parietal cells (correct)
- Basophils
- Neutrophils
What is the purpose of the membrane attack complex (MAC) proteins?
What is the purpose of the membrane attack complex (MAC) proteins?
- To puncture holes in the cell membranes of pathogens (correct)
- To form a complex with vitamin B12
- To facilitate the uptake of vitamin B12
- To defend the body against infectious agents and foreign substances
What is the primary function of the immune system?
What is the primary function of the immune system?
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Which of the following cells is NOT a type of white blood cell?
Which of the following cells is NOT a type of white blood cell?
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What is the role of macrophages in the immune system?
What is the role of macrophages in the immune system?
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