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NURS MISC Med Math Practice Qs & Ans

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NURS MISC Med Math Practice Qs & Ans 1. A nurse is preparing to administer haloperidol (Haldol) 2 mg PO q12h. The amount available is haloperidol 1 mg/tablet. How many tablets should the nurse admi... nister? (Round to nearest whole number) 2 mg X 1 tab = 2 tablets 1 mg 2. A nurse is preparing to administer furosemide (Lasix) 80 mg PO Daily. The amount available is furosemide oral solution 40 mg/5 mL. How many mL should the nurse administer? (Round to the nearest whole number). 80 mg X 5 mL = 10 mL 40 mg 3. The label reads heparin 20,000 units/mL. The order is for heparin 15,000 units q8h SQ. How many milliliters will the nurse administer to the patient? (Round to the nearest tenth). 15,000 units X 1 mL = 0.75 mL = 0.8 mL 20,000 units 4. A nurse is preparing to administer amoxicillin (Amoxil) 20 mg/kg/day PO divided in equal doses q12h to a preschool child who weighs 44 lbs. The amount available is amoxicillin suspension 250 mg/5 mL. How many mL should the nurse administer per dose? (Round to the nearest whole number). 44 lbs = 20 kg 20 mg X 20 kg per day = 400 mg/day 2.2 lbs 400 mg = 200 mg/dose 200 mg X 5 mL = 4 mL 2 250 mg 5. A nurse is preparing to administer phenytoin (Dilantin) 0.2 g PO every 8 hr. The amount available is phenytoin 100 mg/capsule. How many capsules should the nurse administer per dose? (Round to nearest whole number) 0.2 g X 1000 mg X 1 cap = 2 cap 1 g 100 mg 6. The physician orders digoxin (Lanoxin) 250 mcg PO TID. The medication digoxin is available in 0.25 mg/tablet. How many tablets should the nurse administer? 250 mcg X __1 mg__ X 1 tab___ = 1 tab 1000 mcg. 0.25 mg 7. The label reads heparin 10,000 units/mL. The order is for heparin 5,000 units q8h. How many milliliters will you administer to the patient? 5,000 units X __1 mL____ = 0.5 mL10,000 units 8. The nurse receives a telephone prescription from a provider. The provider states “administer three-tenths of a milligram of nitroglycerin orally to the client.” How should the nurse transcribe the number, “three-tenths of a milligram” on the MAR? __3__ = 0.3 mg 10 9. A nurse is preparing to administer amoxicillin 50 mg PO q8h to a toddler who weighs 20 kg. The recommended dosage range is 20 to 25 mg/kg/day. Which of the following actions by the nurse is appropriate? 20 mg X 20 kg = 400 mg/day 25 mg X 20 kg = 500 mg/day 50 mg q8h = 150 mg/day d. Below the range, contact Provider 10. The nurse is preparing to administer furosemide (Lasix). The order is for furosemide (Lasix) 2 mg IVP q8h. The label reads 10 mg/mL. How many mL should the nurse administer? 2 mg X 1 mL_ = 0.2 mL 10 mg 11. The doctor orders 30 mg of furosemide (Lasix) IV STAT. The label on the vial is 10 mg/mL. How many mL should the nurse administer? 30 mg X 1 mL_ = 3 mL 10 mg 12. A nurse is preparing to administer ibuprofen (Advil) to a child who has rheumatoid arthritis. The order is for 250 mg PO q8h. Usual pediatric dose is 20-30 mg/kg/day. Patient weighs 35 lbs. What is the lowest recommended dosage per day? What is the highest recommended dosage per day? Is the dosage ordered safe to give? (Round to nearest whole number) Lowest = 318 mg/day Highest = 477 mg/day Unsafe dose (750 mg/day is outside of our range) 35 lbs X 1 kg = 15.9 kg 15.9 kg X 20 mg/day = 318 mg/day 2.2 lbs 1 kg 15.9 kg X 30 mg/day = 477 mg/day Order is 250 mg q8h 1 kg 250 mg X 24 hrs = 750 mg/day 8 hrs 1 day13. A nurse is preparing to administer heparin 8,000 units subcutaneously every 12 hr. The amount available is heparin injection 10,000 units/mL. How many mL should the nurse administer per dose? 8,000 units X 1 mL____ = 0.8 mL 10,000 units 14. The safe dosage range for ranitidine (Zantac) for a child reads PO 4-5 mg/kg/day divided every 12h. The patient weighs 86 lbs and the order is for ranitidine (Zantac) 90 mg PO q12h. What is the lowest recommended dosage? What is the highest recommended dosage? Is it safe to administer the dosage ordered by the doctor? (Round to whole numbers) Lowest = 156 mg/day Highest = 196 mg/day Safe dosage (180 mg/day) (order is for q12h (90 X 2= 180 mg/day)) 86 lbs X 1 kg = 39.1 kg 39.1 kg X 4 mg/day = 156 mg/day 2.2 lbs 1 kg 39.1 kg X 5 mg/day = 196 mg/day Order is 90 mg q12h 1 kg 90 mg X 24 hrs = 180 mg/day 12 hrs 1 day 15. A provider prescribes atropine 0.6 mg subQ 30 min prior to surgery. Available is atropine injection 0.4 mg/mL. How many mL should the nurse administer? 0.6 mg X 1 mL = 1.5 mL 0.4 mg Medication Administration Rights 1. Right Patient 2. Right Medication 3. Right Dose 4. Right Route 5. Right Time 6. Right Documentation 7. Right to Refuse 16. A medication order reads: “K-Dur 20 mEq PO BID.” When and how should the nurse administer this drug? a. Daily at bedtime by subcutaneous route b. Every other day by mouth c. Twice a day by the oral route (BID = twice a day, PO = mouth)d. Once a week by transdermal patch 17. A physician orders a pain medication for a postoperative patient that is a PRN order. When would the nurse administer this medication? a. A single dose during the postoperative period (single one time order) b. Doses administered as needed for pain relief (PRN=as needed) c. One dose administered immediately (STAT order) d. Doses routinely administered as a standing order (standing order) 18. A nurse is administering heparin subcutaneously to a patient. What is the correct technique for this procedure? a. Aspirate before giving and gently massage after the injection. b. Do not aspirate before or massage after the injection. (don’t cause trauma or bleeding in the tissues) c. Do not aspirate but do massage the site for 1 minute. d. Massage the site of the injection; aspiration is not necessary but will do no harm. 19. The nurse is administering a medication to a patient via nasogastric tube. Which are accurate guidelines related to this procedure? Select all that apply. a. Crush the enteric-coated pill for mixing in a liquid. (can’t crush these) b. Flush open the tube with 60 mL of very warm water. (flush with 15-30 mL) c. Check for proper placement of the nasogastric tube. (ALWAYS) d. Give each medication separately and flush with water between each drug. (prevent clogging and incompatibility) e. Lower the head of the bed to prevent reflux. (semi-fowlers position) f. Adjust the amount of water used if patient’s fluid intake is restricted. (do the minimum 15mL & check to see if some meds can be mixed together) 20. A nurse discovers that she made a medication error. What should the nurse’s first response? A. Record the error on the medication sheet. (be objective in charting, not the 1st thing to do) B. Notify the physician regarding course of action. (not the 1st thing) C. Check the patient’s condition to note any possible effect of the error. (ADPIE) D. Complete an incident report, explaining how the mistake was made. (must be filled out within 24 hrs of the incident, goes to risk management) 21. Lisinopril 40 mg once a day is ordered. Lisinopril is available as an oral solution 8 mg/mL. How many mL should the nurse administer via the enteral feeding tube? 40 mg X 1 mL = 5 mL 8 mg22. Ondansetron 0.15 mg/kg is ordered. Ondansetron is available as 2 mg/mL. The patient weighs 30 kg. How much should the nurse administer? 0.15 mg X 30 kg = 4.5 mg 4.5 mg X 1 mL = 2.25 mL. = 2.3 mL 2 mg 23. Match up the appropriate landmarks for the following IM sites: Deltoid Ventrogluteal Vastus Lateralis middle 3rd of thigh, lateral aspect acromion process and axillary fold (inverted triangle) greater trochanter (palm), iliac spine (index finger), iliac crest (middle finger) 24. Match up the angles for the following routes: IM 10-15 degrees Sub Q 90 degrees ID 45-90 degrees 25. The _Z track____ method is a type of IM injection technique used to prevent tracking (leakage) of the medication into the subcutaneous tissue (underneath the skin). 26. A nurse is obtaining a verbal order from the provider on the phone. What should the nurse do? (Select all that apply) a. Repeat the order back. (prevent a med error) b. Have another nurse get on the phone to hear the order. (unnecessary) c. Enter the order into the health record. (inc. patient safety, enter immediately) d. Question any part that seems unclear. (prevent a med error) e. Record the order as proof. (unnecessary) 27. A nurse is preparing to administer amoxicillin 4 gm/day PO divided into two doses. The amount available is amoxicillin 500 mg tablets. How many tablets should the nurse administer with each dose? 4 gm X 1000 mg X 1 tab = 8 tab/day ( 2 doses) = 8/2 = 4 tabs 1 gm 500 mg *4 tablets (need to divide in half due to 4 gm/day in two doses (BID) and you are asked per dose)28. A nurse is preparing to administer digoxin 8 mcg/kg/day PO to divide equally every 12 hr for a preschooler who weighs 45 lb. Available is digoxin elixir 0.05 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth.) 45 lbs/2.2 lbs = 20.5 kg 8 mcg X 20.5 kg = 164 mcg/day 164 mcg / 1000 mcg X 1 mg = 0.16 mg X 1 mL / 0.05 mg = 3.2 mL 3.2 mL / 2 = 1.6 mL 29. A nurse is preparing to administer 250 mg of an antibiotic IM. Available is 2 g/5 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth.) 250 mg X 1 g X 5 mL = 0.6 mL 1,000 mg 2 g 30. A nurse is preparing to administer levothyroxine 0.175 mg PO once a day. The amount available is levothyroxine 88 mcg/tablet. How many tablets should the nurse administer? 0.175 mg X 1 tab X 1000 mcg = 2 tab 88 mcg 1 mg [Show More]

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