[Solved] What is overhydration? Give one possible cause of overhydration. What organ is stressed by overhydration? Fecal Occult Blood: Small amounts of blood in feces that are not visible to the naked eye but can be detected through specific tests. Guaiac Paper: Guaiac Paper is a type of paper used in a diagnostic test to detect the presence of blood in stool, indicative of gastrointestinal issues. Sterile Gloves: Gloves that have been treated to eliminate all forms of bacteria and other contaminants, used in medical procedures to maintain a sterile environment. Clostridium Difficile: Clostridium Difficile is a bacterium that can cause symptoms ranging from diarrhea to life-threatening inflammation of the colon, often following antibiotic therapy.