MCQ IN MEDICINE

Detailed explanation-1: -Macrophages refer to the white blood cells that play an important role in maintaining the body’s immunity. Metchnikoff was the first scientist to discover this type of cell. They are also involved in granuloma formation.

Detailed explanation-2: -Blood contains many types of cells: white blood cells (monocytes, lymphocytes, neutrophils, eosinophils, basophils, and macrophages), red blood cells (erythrocytes), and platelets.

Detailed explanation-3: -Macrophages can be found in almost all organs in the body, including the liver, brain, bones, and lungs; they have specific functions in each organ.

Detailed explanation-4: -Which of the following is true of macrophages? They are the cell most likely to first encounter an invading pathogen.

Detailed explanation-5: -Macrophages are formed through the differentiation of monocytes, one of the major groups of white blood cells of the immune system. When there is tissue damage or infection, the monocytes leave the bloodstream and enter the affected tissue or organ and undergo a series of changes to become macrophages.