Final answer:
Nosocomial infections are acquired in hospitals and can be caused by contaminated medical equipment or unhygienic practices. Examples include skin infections from contaminated bandages and infections from medical devices like catheters.
Step-by-step explanation:
Nosocomial infections are those that are acquired in hospital settings. These infections can occur as a result of various factors, including contaminated medical equipment, improper hygiene practices, and weakened immune systems of patients. For example, a patient might acquire a skin infection if the bandages or dressings used in their wound treatment became contaminated with bacteria. Another example is the introduction of bacteria through medical devices inserted into the body, such as catheters.