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TY is a 58-year-old female with a new diagnosis of hypertens…

TY is a 58-year-old female with a new diagnosis of hypertension. She has had two prior strokes and would like to prevent a third one.  She has an appointment in the family medicine clinic this morning where she reported the changes in lifestyle (increased exercise, lower sodium diet) she had been implementing over the past few months had not lowered her blood pressure significantly. Average blood pressure (home readings from past month):  138/80 mm Hg HR 60             Laboratory measurements (today):             Serum Sodium:  140 mEq/L (135-145)             Serum Potassium: 3.2 mEq/L (3.5-5.0 mEq/L)             Serum Creatinine:  0.9 mg/dL (0.6-1.1 mg/dL) Based on the ACC/AHA 2017 treatment guidelines, which (first-line) initial medication therapy would you recommend for her today?

While on a backpacking trip in Maine, Gemma and her friends…

While on a backpacking trip in Maine, Gemma and her friends obtained their drinking water from several different pristine streams, adding one or two drops of bleach to ensure its safety. Several days later Gemma began experiencing abdominal distress, specifically cramping, fatty diarrhea, and flatulence. When it didn’t clear up within several days, Gemma visited the doctor. Which of the following would be the most likely cause of Gemma’s symptoms?