In a healthy patient with normal kidney function, each day the kidney filters approx.150 - 180 L of blood and outputs 1 - 2 L of urine. Select one: True False
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In a healthy patient with normal kidney function, each day the kidney filters approx.150 - 180 L of blood and outputs 1 - 2 L of urine.
Select one:
True
False
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- A 65-kg man is participating in a research study for which it is necessary to know the volumes of his body fluid compartments. To measure these volumes, the man is injected with 100 mCi (millicurie) of H20 and 500 mg of mannitol. During a 2-hour equilibration period, he excretes 10% of the H,0 and 10% of the mannitol in his urine. Following equilibration, the concentration of H,0 in plasma is 0.213 mCi/100 mL and the concentration of mannitol is 3.2 mg/100 mL. What is his total body water, his ECF volume, and his ICF volume? Is the man's total body water appropriate for his weight?A two-month old child was admitted to hospital after failure to thrive. The “boy”, whose external genitalia were ambiguous, was found to have elevated blood pressure, but no dehydration. The following measurements were made on a plasma sample taken on admission: Variable Result Reference Range Urea (mM) 6.2 2.5 - 7.0 Creatinine (μ�M) 95 60 - 120 Glucose (mM) 4.3 3.5 - 5.5. (fasting) Na+ (mM) 170 134 -147 K+ (mM) 2.8 3.5 - 5.0 11 -deoxycortisol (nM) 57 <10 Deoxycorticosterone (nM) 1.3 <0.4 Cortisol (nM) 22 138 - 690 Testosterone (nM) 7.4 0.5 -3.2 (adult female) 5 - 40 (adult male) The concentrations of progesterone, 17-hydroxyprogesterone and ∆4-androstenedione were also increased above the reference range. A chromosome analysis showed that the child was a genotypic female (46, XX karyotype). A consultant obstetrician initially diagnosed congenital adrenal hyperplasia, however they were confused by the…A 65-kg man is participating in a research study for which it is necessary to know the volumes of his body fluid compartments. To measure these volumes, the man is injected with 100 mci (millicurie) of H0 and 500 mg of mannitol. During a 2-hour equilibration period, he excretes 10% of the H,0 and 10% of the mannitol in his urine. Following equilibration, the concentration of H,0 in plasma is 0.213 mCi/100 ml and the concentration of mannitol is 3.2 mg/100 mL. • What is his total body water, his ECF volume, and his ICF volume? is the man's total body water appropriate for his weight?
- You need to evaluate kidney function in a 55-year-old obese man with type 2 diabetes; you ask him to collect his urine over a 24-hour period. He collects 4,320 mL of urine. The clinical laboratory returns the following results from analysis of his urine and plasma samples: Plasma creatinine = 3.0 mg/100 mL Urine creatinine = 40 mg/100 mL Plasma potassium = 5.0 mmol/L Urine potassium = 20 mmol/L What is the net renal tubular secretion rate of potassium in the patient described in question? Group of answer choices .280 mmol/min .140 mmol/min .060 mmol/min .030 mmol/minA child who weighs 9 kg is prescribed nitrofurantoin at a dose of 1 mg/kg at night for prophylaxis against recurrent urinary-tract infections. How many mL of nitrofurantoin suspension 25 mg/5 mL should this child be given for each dose? Give your answer to one decimal place.The steroid nandrolone, which is found naturally in horses, is administered to racing horses to aid in recovery. Because it is an anabolic steroid, nandrolone levels in excess of normal background levels disqualify a horse from racing. For example, to race in the Kentucky Derby, a gelding (a castrated male horse) may have no more than 1 ng/mL in the urine, whereas an unaltered male horse may have no more than 45 ng/mL of the metabolite estrane-3,17-diol in the urine. Knowing that nandrolone is an anabolic steroid, which hormone would you expect it to closely resemble? (testosterone cortisol O progesterone O epinephrine antidiuretic hormone During metabolism, carbon 3 and carbon 4 of nandrolone are reduced, forming the metabolite estrane-3,17-diol. Modify nandrolone to give estrane-3,17-diol. Select Draw Rings More Erase S с O 0 H ✪ ا قد 2 o
- A 26-year-old woman reports that she has a severe migraine and has taken six times more than the recommended dose of aspirin for the past 3 days to relieve her headaches. Her plasma pH is 7.24. Which of the following would you expect to find compared with normal? Group of answer choices Increased NH4+ excretion Decreased NH4+ excretion No change in NH4+ excretion none of the aboveIf 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?A uremic patient has a urine output of 1.8 L/24 h and an average creatinine concentration of 2.2 mg/dL. What is the creatinine clearance? How would you adjust the dose of a drug normally given at 20 mg/kg every 6 hours in this patient (assume the urine creatinine concentration is 0.1 mg/mL and creatinine clearance is 100 mL/min)?
- which blood pH would cause the kidneys specifically the collecting ducts to excrete bicarbonate (HCO3-) into the blood? note: this works through the carbonic acid bicarbonate buffer system. Basic, acidic, or neutral.Beans the 21kg Pit Bull needs to be put on IV fluids STAT! He is now 3% dehydrated and had 25ml of diarrhea. Calculate his fluid needs step by step using the standard 50 ml/kg/day. Calculate MR for 24 hours= Calculate HD for 24 hours= What is his CL for 24 hours= Put it all together to give me rate per hour- number. Round to the nearest whole On a standard 15 gtt/ml drip set what is his drip rate in seconds= gtt/?sec) (write as ?A creatinine clearance is done on a patient with the following results: serum creatinine, 0.6 mg/dL; urine creatinine, 102 mg/dL; urine volume, 1650 mL/24 hours; body surface area, 1.93 m2. Based on the information from calculations above, which of the following is the best interpretation of this patient's creatinine clearance results? 1) Within the normal range 2) Above normal, probably because the 24-hr urine collection was not completed correctly 3) Above normal 4) Below normal no references, just homework