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Author Archives: Anonymous

Use this same scenario for this question A 40-year old man i…

Use this same scenario for this question A 40-year old man is admitted to the hospital with acute renal failure after exposure to a toxic chemical spill at his workplace.  At his last yearly check-up, he was 70 kg, his blood analysis and urinalysis were unremarkable and his GFR was estimated to be 120 mL/min with a creatinine of 1 mg/dL.  Upon admission to the hospital, his plasma creatinine was 2 mg/dl.  Over the following week, his plasma creatinine rose to 4mg% and then came down to 3mg% and stabilized at 3 mg%.  How is the acute renal failure in this man best classified?

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Consider the CO2/HCO3- buffer system with a pka of 6.1. If H…

Consider the CO2/HCO3- buffer system with a pka of 6.1. If H2SO4 is added to this buffer system at a physiologic pH, one would expect an increased production of which of the following?

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Use the following material to answer the next 4 questions….

Use the following material to answer the next 4 questions. Cardiac output = 5.7 L/min Hematocrit = 40% Renal plasma flow = 650 mL/min Glomerular filtration rate = 110 mL/min Urine flow 1 ml/min Plasma K+ concentration 4 mEq/L (maintain units) Urine K+ concentration 35 mEq/L (maintain units) What is the renal fraction?

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Consider the transporters in the proximal tubule and in the…

Consider the transporters in the proximal tubule and in the distal tubule that move H+ across the luminal membrane of nephron. Which of the following is a characteristic they have in common?

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Use the following material to answer the next 4 questions. C…

Use the following material to answer the next 4 questions. Cardiac output = 5.7 L/min Hematocrit = 40% Renal plasma flow = 650 mL/min Glomerular filtration rate = 110 mL/min Urine flow 1 ml/min Plasma K+ concentration 4 mEq/L (maintain units) Urine K+ concentration 35 mEq/L (maintain units) What is the filtered load for K+?

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A 60-year old woman is always thirsty and is unable to sleep…

A 60-year old woman is always thirsty and is unable to sleep for 8 hours at a time because she must get up to urinate. Her plasma osmolarity is 303 mOsm/L ((higher than normal) and her urine osmolarity is 70 mOsm/L (range is 70-1200 mOsm). Her plasma levels of ADH are higher than normal and her urine glucose is essentially zero.  What is the BEST explanation for the CAUSE of her condition?

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A population of deer inside a park has a carrying capacity o…

A population of deer inside a park has a carrying capacity of 300 and a growth rate of 4%. If the initial population is 80 deer, what is the population of deer at any given time?

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The following immunosuppressive medication is indicated for…

The following immunosuppressive medication is indicated for the induction of immunosuppression immediately post-transplant in adults:

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Adjuvant analgesics:

Adjuvant analgesics:

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Match the following anaesthetic agents to their primary mech…

Match the following anaesthetic agents to their primary mechanism of action or key pharmacological property. Each answer may be used once, more than once, or not at all. 

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