Which of these cells is a phagocytic leukocyte that can engulf a foreign bacterium? which of these cells is a phagocytic leukocyte that can engulf a foreign bacterium? macrophage t cell plasma cell cytotoxic t cell b cell?

The correct answer is macrophage.
The macrophage is a type of white blood cells with phagocyte activity which means its main function is to “eat” foreign particles such as bacteria. A macrophage has the ability to locate those particles (viruses, parasites, fungi, bacteria) and do the cleanup.