NAPLEX Exam Question 31

A Physician orders Dobutamine HCl IV infusion at 5 mcg/kg/min. Dobutamine HCl is available as 500 mg in
250 mL of D5W. The patient weighs 68 kg. Calculate the infusion rate in mL/hr.
  • NAPLEX Exam Question 32

    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. The bioavailability of levothyroxine is roughly 50%.
    The physician requests you for a dose recommendation to convert her home dose of 75mcg po daily to intravenous.
    What would be the appropriate intravenous dose?
  • NAPLEX Exam Question 33

    What is the mEq/ml (Milliequivalents) of 50% Magnesium Sulfate? (Molecular weight of MgSO4 is
    120.4g/mol.)
  • NAPLEX Exam Question 34

    Alteplase is ordered for a 72 YOM who weighs 68kg for Ischemic stroke. The ER physician would like you to dose. As an ER pharmacist you know the dose is 0.9 mg/kg IV (not to exceed 90 mg); give 10% of the total dose as an IV bolus over 1 minute, then give the remaining 90% as an IV infusion over 60 minutes. After reconstitution, the concentration of Altaplace is 1mg/ml. How many ml is needed for the bolus and how many ml is needed for the infusion? Round to the nearest ml.
  • NAPLEX Exam Question 35

    Which of the following would be most appropriate to treat infections associated with stenotrophomonas maltophilia?