[Solved] Which of the following can be examined with an ordinary bright-field microscope? A)Wet mounts B)Heat-fixed specimens C)Chemical-fixed specimens D)All of the choices are correct. Hand Antiseptics: Substances used to eliminate or reduce harmful microorganisms from the hands, enhancing hygiene and preventing disease transmission. Microorganism: A microscopic living body not perceivable by the naked eye. Microscopic: Extremely small and detailed, visible only with the aid of a microscope. Living Body: An organism's bodily form that is alive, encompassing all biological functions such as metabolism, growth, and response to stimuli.