What are the three main processes performed by the renal tubules?, Reabsorption, secretion, concentration, Filtration only, Excretion, synthesis, dilution, Diffusion, osmosis, filtration, What percentage of filtered sodium and water is reabsorbed in the proximal convoluted tubule?, 25–30%, 65–70%, 90–95%, 10–15%, Which enzyme provides the energy necessary for most tubular transport?, Carbonic anhydrase, ACE, Na-K ATPase, Renin, Why is the loop of Henle essential?, Filters plasma proteins, Secretes insulin, Produces erythropoietin, Creates osmotic gradient, Which transporter is located in the thick ascending limb?, NKCC2, SGLT2, AQP2, ENaC, Which hormone increases calcium reabsorption in the distal convoluted tubule?, ADH, Aldosterone, Parathyroid hormone, ANP, How does aldosterone affect the collecting duct?, Increases water only, Increases sodium reabsorption and potassium secretion, Blocks potassium secretion, Reduces sodium uptake, What is the function of antidiuretic hormone (ADH)?, Promotes sodium excretion, Increases glucose reabsorption, Decreases urine acidity, Increases water reabsorption, Name three substances that are secreted into the tubular lumen., Urea, phosphate, chloride, Glucose, albumin, calcium, Hydrogen, potassium, creatinine, Sodium, bicarbonate, water, Which hormonal system helps maintain blood pressure by increasing sodium retention?, Thyroid axis, Growth hormone axis, Kallikrein system, RAAS, What effect does atrial natriuretic peptide have on the kidneys?, Increases glucose reabsorption, Promotes sodium excretion, Promotes potassium retention, Decreases GFR, What causes acute tubular injury most commonly?, Ischemia and nephrotoxins, Autoimmune hepatitis, Hyperthyroidism only, Low calcium intake, Which syndrome primarily affects the proximal tubule?, Fanconi syndrome, SIADH, Liddle syndrome, Bartter syndrome, Mention two laboratory tests used to assess tubular function., ALT and AST, Hemoglobin and platelets, Urine osmolarity and FENa, ECG and troponin, Why is understanding tubular physiology important in nephrology?, It replaces kidney biopsy, It guides diagnosis and treatment, It prevents all kidney stones, It measures blood type

Questions Tubular Function

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