Phosphate Disorders
Quiz by Heather Powell
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12 questions
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- Q1Which of the following is NOT associated with the development of hyperphosphatemia?AcidosisHypoparathyroidismHypothyroidismRhabdomyolysis30s
- Q2True or False: Acute hyperphosphatemia presents as renal osteodystrophy due to PTH overproduction.FalseTrue30s
- Q3Which of the following are the criteria for administration of IV calcium for hyperphosphatemia?Phos > 8 AND symptomaticPhos > 6.0 and corrected calcium < 8Phos >4.5 AND symptomaticPhos > 7 AND corrected calcium < 7.5 AND symptomatic30s
- Q4Which of the following is the first intervention for hyperphosphatemia?Non-elemental phosphate binderIV calciumCalcium-containing phosphate binderDietary phosphate restriction30s
- Q5Which of the following foods is low in dietary phosphate?MeatsDairyDried beansLeafy greens30s
- Q6True or False: Phosphate binders must be dosed with meals because they bind dietary phosphate and prevent phosphate absorption while promoting fecal phosphate excretion.FalseTrue30s
- Q7What is an appropriate starting dose of calcium carbonate for hyperphosphatemia?500 mg PO TID500 mg elemental PO TID with meals800 mg PO TID169 mg elemental PO TID with meals30s
- Q8All of the following cause hypophosphatemia due to poor GI absorption except:Chronic DiarrheaAlcohol abusePhosphate binder overuseRefeeding syndrome30s
- Q9Which of the following medications is NOT known to cause hypophosphatemia due to reduced renal tubular reabsorption?PrednisoneLithiumSodium bicarbonateMannitol30s
- Q10Which of the following is an appropriate treatment option for hypophosphatemia due to hyperparathyroidism?PO phosphateCalcitoninIV phosphateCinacalcet30s
- Q11When should IV phosphate be given?Phos 1.6-2.5 and symptomaticPhos <1.6 mg/dL or symptomaticPhos 1.6-2.5 and asymptomatic30s
- Q12Phosphate dosing should be reduced by ________% with AKI or CrCl < _______ ml/min50, 6050, 3025, 3025, 6030s