Question 46

A patient who weighs 80kg is ordered Esmolol at 50mcg/kg/min. Esmolol comes in 2500mg/250 ml NS premixed bags. What is the infusion rate in mls/hr?
  • Question 47

    If a patient is getting NS IVF at 120mls/hr, how much Sodium Chloride in grams is this patient getting in 24 hours? NS is 0.9% sodium chloride.
  • Question 48

    Which of the following are non-pharmacological measure that may control symptoms of gastroesophageal reflux disease?
  • Question 49

    Which of these substances is not used as a compounding preservative?
  • Question 50

    LN is 84 YOM who is in hospital for a back surgery. His height is 5 feet and 4 inches, weight 85 kg and NKDA.
    His past medical history includes hypertension, diabetes mellitus, major depression, hypothyroidism and chronic back pain. Post-op day 1, LN's medication includes Dexamethasone 8mg iv q6h with taper dosing, Ondansetron 4mg iv q6h prn for N/V, Levothyroxine 0.075mg po daily, Lisinopril 10mg po daily, Citalopram
    20mg po daily, Docusate sodium / Senna 1 tab po twice a day, Bisacodyl 10mg suppository daily prn for constipation, Famotidine 20mg iv q12hr, Metoclopramide 10mg iv q6h, Metformin 500mg po bid, D51/2NS with 20K at 125mls/hour and Hydromorphone PCA at 0.2mg/hour of basal rate, demand dose 0.1mg. lock-out every 6min, one hour limit 2.2mg/hour. Pertinent morning labs includes serum creatinine 1.4mg/dl, Mg 1.5mg/ dl, K 5.0mmol/L, Na 135mmol/L.
    What is the reason for holding metformin in patients with reduced renal function?