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Water softeners often replace calcium ions in hard water with sodium ions. Since sodium compounds are soluble, the presence of sodium ions in water does not cause the white, scaly residues caused by calcium ions. However, calcium is more beneficial to human health than sodium. Calcium is a necessary part […]

A 25-year-old graduate student presents to the university health center complaining of acute shortness of breath. The patient states that he returned home yesterday from a non-stop flight from Sydney, Australia. Chest x-ray show multiple infiltrates. EKG is significant for tachycardia. This patient is a high risk for? Which ancillary […]

Serial dilutions are not only for bacteria. They can be used for any reagent. Suppose that in an experiment it is necessary to add 0.01 micro grams of DNA to a tube. Suppose that the concentration of DNA you have is 1 mg/ml. Describe how you could add 0.01 micro […]

Case Study In a two page, double spaced document: Workers’ Compensation is a benefit that pays for time away from work because of a work related injury. Research a real Workers’ Compensation Case. Provide an overview of the case and discuss which classification the case would fall in (medical treatment, […]