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Gastric Glands and Vitamin B12 Absorption

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Gastric Glands and Vitamin B12 Absorption

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Questions and Answers

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?

Lymphocytes

Parietal cells (correct)

Basophils

Neutrophils

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?

To defend the body against infectious agents and foreign substances Signup and view all the answers

Which of the following cells is NOT a type of white blood cell?

Parietal cells Signup and view all the answers

What is the role of macrophages in the immune system?

To mature from monocytes Signup and view all the answers

Gastric Glands and Vitamin B12 Absorption

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Questions and Answers

What is the function of intrinsic factor in the body?

Which type of cells in the stomach lining release intrinsic factor?

What is the purpose of the membrane attack complex (MAC) proteins?

What is the primary function of the immune system?

Which of the following cells is NOT a type of white blood cell?

What is the role of macrophages in the immune system?

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