[Solved] Which position of the hand will place the humerus in neutral position? A) Prone B) Supine C) Palm against the thigh D) Back of the hand against the thigh Bacterial Infection: This occurs when harmful bacteria enter and multiply in the body, potentially causing illness. Parasitic Infections: Illnesses caused by parasitic organisms such as protozoa, helminths, or ectoparasites, which can infest the body internally or externally. Eosinophil: A type of white blood cell involved in allergic reactions and the defense against parasitic infections. Micrographs: Photographic or digital images taken using a microscope to magnify objects that are too small to be seen by the naked eye.