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Medical Dosage Calculations & Pharmacology D441 Updated OA

Exam Questions 35–52

35. The nurse is preparing a client’s dose of an IM analgesic in a single syringe. The prescription is hydromorphone 4 mg and hydroxyzine 25 mg. The hydromorphone ampule is labeled 10 mg/mL, and the hydroxyzine is labeled 50 mg/mL. How many mL in total should the nurse administer?

  • A. 0.4 mL
  • B. 0.5 mL
  • C. 0.9 mL
  • D. 1.0 mL

36. The healthcare provider prescribes ampicillin 140 mg intravenously (IV) every 8 hours for a child with meningitis. The vial is labeled, ‘Ampicillin 250 mg for reconstitution with 8.3 mL sterile normal saline for injection to yield a total solution concentration of 30 mg/mL.’ How many mL should the nurse administer?

  • A. 3.7 mL
  • B. 4.0 mL
  • C. 4.7 mL
  • D. 5.0 mL

37. The healthcare provider prescribes cytovene 375 mg every 12 hours to infuse over 90 minutes. The pharmacy delivers cytovene 375 mg in a 150 mL IV bag. How many mL/hour should the nurse program the infusion pump?

  • A. 75 mL/hr
  • B. 90 mL/hr
  • C. 100 mL/hr
  • D. 150 mL/hr

38. The nurse is administering an intradermal (ID) injection to a client. Which action should the nurse take?

  • A. Select upper arm as the injection site.
  • B. Ensure bevel of the needle is pointing up.
  • C. Hold the syringe perpendicular to the skin.
  • D. Massage the site gently after injection.

39. After a seven day treatment with an IV antibiotic, the healthcare provider discharges a client from the hospital and writes a prescription for an oral antibiotic. While providing discharge instructions, the nurse notes that the dosage for the oral antibiotic is significantly higher than the IV antibiotic. Which resource should the nurse use first in resolving the situation?

  • A. Medication reference guide.
  • B. Healthcare provider.
  • C. Nursing unit charge nurse.
  • D. Hospital pharmacist.

40. A client has a prescription for heparin 1,000 units IV STAT. Several pre-filled syringes of low molecular weight heparin are available in the client’s medication drawer. Which action should the nurse implement?

  • A. Advise the pharmacy of the need to deliver a vial of heparin to the nursing unit immediately.
  • B. Dilute the available heparin in 250 mL of normal saline solution prior to IV administration.
  • C. Calculate and administer the equivalent dose of the available low molecular weight heparin.
  • D. Request a prescription to change the route of administration and use the available heparin.

41. The nurse is administering sevelamer during lunch to a client with chronic kidney disease (CKD). The client asks the nurse to bring the medication later. The nurse should describe which action of sevelamer as an explanation for taking it with meals?

  • A. Promotes stomach emptying and prevents gastric reflux.
  • B. Binds with phosphorus in foods and prevents absorption.
  • C. Buffers hydrochloric acid and prevents gastric erosion.
  • D. Prevents indigestion associated with ingestion of spicy foods.

42. A client scheduled for coronary artery bypass surgery (CABG) is to receive an IV infusion of cefazolin 1 gram in 50 mL 0.9% sodium chloride over 30 minutes. How many mL/hour should the nurse program the infusion pump to deliver?

  • A. 50 mL/hr
  • B. 75 mL/hr
  • C. 100 mL/hr
  • D. 120 mL/hr

43. A client diagnosed with primary open angle glaucoma received a prescription for miotic eye drops. Which instruction should the nurse plan to include in this client’s teaching?

  • A. ‘Squeeze your eye closed after administering the drops.’
  • B. ‘Do not allow the dropper bottle to touch the eye.’
  • C. ‘Wash your hands after each administration of eye drops.’
  • D. ‘Administer the medication directly on the cornea.’

44. Two months after taking nitrofurantoin for a bacterial infection, a client reports the onset of severe, watery diarrhea to the home health nurse. How should the nurse respond?

  • A. Determine if the full course of the initial prescription of medication was taken.
  • B. Advise that the infection has returned and additional medication will be needed.
  • C. Offer instructions about the use of an over-the-counter (OTC) antidiarrheal medication.
  • D. Explain that the diarrhea may be an adverse effect that requires further evaluation.

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