INBDE (Integrated National Board Dental Examination) Practice Exam

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Where can you find the red pulp containing blood-filled venous sinusoids, lymphocytes, plasma cells, macrophages, and monocytes?

  1. Liver

  2. Spleen

  3. Kidneys

  4. Heart

The correct answer is: Spleen

The red pulp of the spleen contains a rich supply of blood-filled venous sinusoids where various immune cells such as lymphocytes, plasma cells, macrophages, and monocytes are found. The spleen is a crucial organ for filtering blood, removing old or damaged red blood cells, and helping to fight infections. The other options are incorrect because they do not house the specific combination of cells and structures described in the red pulp of the spleen.