PATHOLOGY MCQ
IMMUNE RESPONSE
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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storage of lipids
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activation of thymus gland
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destroys red blood cells by macrophages
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destroys red blood cells by neutrophils
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Detailed explanation-1: -Blood cells that can’t pass the test will be broken down in your spleen by macrophages. Macrophages are large white blood cells that specialize in destroying these unhealthy red blood cells. Always economical, your spleen saves any useful components from the old cells, such as iron.
Detailed explanation-2: -Your spleen: Stores blood. Filters blood by removing cellular waste and getting rid of old or damaged blood cells.
Detailed explanation-3: -The spleen which is a part of the lymphatic system is located above the stomach inside the left ribcage. The RBCs have an average lifespan of 120 days, then they reach the spleen and get destroyed there. Often, the spleen is referred to as the “graveyard of RBCs”.
Detailed explanation-4: -The spleen is located in the upper left part of the belly under the ribcage. It helps protect the body by clearing worn-out red blood cells and other foreign bodies (such as germs) from the bloodstream.