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Anatomy and Physiology
- Calculate the creatinine clearance for Lola, a 69 year old woman who weighs 66kg and has a serum creatinine of 125micromoles/L. Round your answer to 2 decimal places Cockroft Gault equation: [ X (140-age) x (weight in kg)] / serum creatinine (in micromole/L) Where X = 1.04 for females and X = 1.23 for malesarrow_forwardCalculate the flow rate for a solution of 18 mg in 300 mL with a maintenance dose of 5 mcg/min.arrow_forwardA 500 mL infusion of glucose 5% is being given at a rate of 167 mL/hr. How long will the infusion run at the specified rate?arrow_forward
- Calculate net filtration pressure given the following values: glomerular hydrostatic pressure = 50 mm Hg, blood colloid osmotic pressure = 25 mm Hg, capsular hydrostatic pressure = 20 Hg.arrow_forwardPredict the effect of 1 L of 600 mOsm/L infusion of sucrose on patients RBC’s osmolality and volume, if previous osmolality of RBC’s was 250 mOsm/L, plasma volume – 3.6 L and RBC’s volume – 2.4 L.arrow_forwardDescribe the pathophysiologic mechanism of syndrome of inappropriate vasopressin secretion, and explain why plasma levels of vasopressin can be normal in these patients.arrow_forward
- If a patient collects a 24 hour urine specimen with a volume of 1500 mL, and the patient's serum Creatinine is 5 mg/dl, and the urine creatinine is 100 mg/dl, then what is the creatinine clearance in ml/min?arrow_forwardcalculate the filtered load of a substance that is dissolved in plasma given the plasma concentration of 0.065mg/ml and a GFR of 125 ml/min. consider that 30% of the substance is bound to plasma proteins. Round the answer to one decimal placearrow_forwardGive typed explanation The provider orders a maintenance dose of Magnesium Sulfate 1(g)/(h) to be given using a premixed bag with a concentration of Magnesium Sulfate 4g in 100mL Normal Saline. You will set the pump for a maintenance dose rate of: m(L)/(h)arrow_forward
- A 72-year-old adult patient who weighs 78 kg is prescribed by the doctor “Potassium Chloride 40meq in 1L to run for 8 hours” via the peripheral line for a potassium level of 3.3 mEq/L that was drawn this morning. Note: 10 mEq of potassium chloride increases serum potassium levels by approximately 0.1 mEq/.L The concentration of potassium for intravenous administration via a peripheral line should not exceed 40mmol / 500 mL 10 mEq/hr maximum infusion rate; not to exceed 200 mEq dose/24hr Administration rates above 20mmol/hour require cardiac monitoring. How much will the order medication “Potassium Chloride 40meq in 1L to run for 8 hours” raise the patient's potassium level in a day? Is it still within the normal potassium serum levels, which is 3.5–5.0 mEq/L? Does the order comply with the maximum concentration of potassium to be administered peripherally? Does the order’s infusion rate do not exceed the standard maximum infusion rate? Does the order require cardiac monitoring?arrow_forwardGive one reason why it is important to maintain plasma osmolarity within a narrow range of values? arrow_forwardAn 84 year old male patient has been given a loading dose of digoxin of 298 micrograms in divided doses by intravenous infusion. He has a creatinine clearance (Ccr) of 34 ml / min. What is the maintenance dose (in micrograms) that this patient should receive? Round your answer to the nearest whole number. Use the formula provided to calculate the maintenance dose. Maintenance Dose = Peak body stores x % daily loss 100 Where: Peak Body Stores = Loading Dose % Daily Loss = 14 + Creatinine clearance (Ccr) 5arrow_forward
- Human Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage Learning