CKD: MBD
Quiz by Heather Powell
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14 questions
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- Q1Which of the following is NOT associated with calcium and phosphorus homeostasis in CKD:MBD?FGF-23Vitamin DPTHInsulin30s
- Q2Nephron loss leads to ____________ renal excretion of phosphate causing ________ serum phosphate concentrations.Decreased, DecreasedDecreased, IncreasedIncreased, IncreasedIncreased, Decreased30s
- Q3Hyperphosphatemia will cause _______ production of PTHincreaseddecreased30s
- Q4Hypocalcemia will cause _______ production of PTHdecreasedincreased30s
- Q5PTH will _________ serum calcium by ______________ bone resorptiondecrease, increaseincrease, decreasedecrease, decreaseincrease, increase30s
- Q6PTH works in all of the following ways except:increased active vitamin d productionincreased bone resorptionincreased renal calcium reabsorptiondecreased renal phosphate reabsorption30s
- Q7Increased FGF-23 production will cause __________ active vitamin D functionincreaseddecreased30s
- Q8First line treatment in hyperphosphatemia secondary to CKD: MBD?dietary phosphate restrictionsIV calciumnon-elemental phosphate binderscalcium-containing phosphate binders30s
- Q9Which of the following is NOT an appropriate strategy to treat hypercalcemia of CKD:MBD?Initiate calcitriolReplace calcium-containing phosphate binders with non-elemental phosphate bindersReduce PO calcium intakeDiscontinue ergocalciferol30s
- Q10Which of the following is NOT an appropriate treatment strategy for hypocalcemia associated with CKD:MBD?discontinue cinacalcetuse calcium-containing phosphate bindersIV calcium if corrected ca < 8.5 mg/dL, symptomatic, and PTH above targetDiscontinue vitamin D supplementation30s
- Q11True or False: Active vitamin D sterols should be reserved for patient with eGFR less than or equal to 29 ml/min/1.73m2, vitamin d < 30 ng/mL, and PTH > 300 g/dL.FalseTrue30s
- Q12True or False: In patients with vitamin D levels between 15-30 ng/mL, replace with ergocalciferol 50000 units per week x 12 weeks, then monthly.FalseTrue30s
- Q13At what calcium level should vitamin D therapy be discontinued?>11>10>11.5>10.530s
- Q14Cinacalcet produces a very potent ____________ in PTHdecreaseincrease30s