[Solved] Which of these is an example of a hypertonic solution? A) 200 mM NaCl B) 300 mM glucose C) 100 mM MgCl<sub>2</sub> D) 400 mM urea E) 100 mM NaCl Screening Tools: Screening tools are instruments or tests used to identify the presence of diseases, conditions, or risk factors in individuals who do not yet show symptoms. Occult Blood: Blood that is not visible to the naked eye, typically detected through specific medical tests in stool, which can indicate gastrointestinal issues. Specific Gravity: The ratio of dissolved substances in a solvent as compared with the ratio of dissolved substances in distilled water, most commonly comparing the ratio of dissolved substances in a urine specimen with distilled water. Reagent Strips: Test strips used for urinalysis or other tests that change color in response to various conditions or the presence of specific substances.