MCQ IN MEDICINE

Detailed explanation-1: -Professional phagocytes [2] include monocytes, macrophages, neutrophils, dendritic cells, osteoclasts, and eosinophils. These cells are in charge of eliminating microorganisms and of presenting them to cells of the adaptive immune system.

Detailed explanation-2: -Phagocytes are the white blood cells that protect the body by ingesting harmful foreign particles and help initiate an immune response.

Detailed explanation-3: -To engulf the pathogen, the phagocyte forms a pseudopod that wraps around the pathogen and then pinches it off into a membrane vesicle called a phagosome. Acidification of the phagosome (pH decreases to the range of 4–5) provides an important early antibacterial mechanism.

Detailed explanation-4: -neutrophils. are capable of phagocytosis. Neutrophils are primarily involved in the body’s first response to bacterial infection. Their primary targets are bacteria and fungi, and they are the most common type of WBC.

Detailed explanation-5: -A type of immune cell that can surround and kill microorganisms, ingest foreign material, and remove dead cells. It can also boost immune responses. Monocytes, macrophages, and neutrophils are phagocytes. A phagocyte is a type of white blood cell.