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TLS Online TPP Program
#Question id: 12390
#Unit 7. System Physiology – Animal
Which of the following statements is true?
TLS Online TPP Program
#Question id: 12389
#Unit 7. System Physiology – Animal
In a patient with very high levels of aldosterone and otherwise normal kidney function, approximately what percentage of the filtered load of sodium would be reabsorbed by the distal convoluted tubule and collecting duct?
TLS Online TPP Program
#Question id: 12388
#Unit 7. System Physiology – Animal
Which of the following has similar values for both intracellular and interstitial body fluids?
TLS Online TPP Program
#Question id: 12387
#Unit 7. System Physiology – Animal
An elderly patient complains of muscle weakness and lethargy. A urine specimen reveals a Na+ concentration of 600 mmol/L and an osmolarity of 1200 mOsm/L. Additional laboratory tests provide the following information: plasma Na+ concentration = 167 mmol/L, plasma renin activity = 4 ng angiotensin I/ml/hr (normal = 1), plasma antidiuretic hormone (ADH) = 60 pg/ml (normal = 3 pg/ml), and plasma aldosterone = 15 ng/dL (normal = 6 ng/dL). Which of the following is the most likely reason for this patient’s hypernatremia?
TLS Online TPP Program
#Question id: 12386
#Unit 7. System Physiology – Animal
Which of the following changes would you expect to find in a patient who developed acute renal failure after ingesting poisonous mushrooms that caused renal tubular necrosis?
TLS Online TPP Program
#Question id: 12385
#Unit 7. System Physiology – Animal
To evaluate kidney function in a 45-year-old woman with type II diabetes, you ask her to collect her urine over 24 hours. She collects 3600 ml of urine in that period. The clinical laboratory returns the following results after analyzing the patient’s urine and plasma samples: plasma creatinine = 4 mg/dL, urine creatinine = 32 mg/dL, plasma potassium = 5 mmol/L, and urine potassium = 10 mmol/L.
What is the net renal tubular reabsorption rate of potassium in this patient?