math 24 answers (1)
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Apr 3, 2024
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Math of Dosage Practice #24 Directions: Round all answersto the nearest tenth {(Where appropriate) A whole number is needed for all IV rates 1. You arc providing home care for a patient who needs to mix her oral psyllium hydrophilic mucilloid (Metamucil) in 180 mL of water or juice. She has only standard measuring cups in the house. How do you instruct her to take her dose? | Cu.{.) = PHOM g(y.\ “oUpmi = 075 Cup qc‘fio 2. You need to administer lorazepam (Ativan) 3 mg IM to an agitated patient. You have on hand 4 mg/mL. How much doyou prepare? 5 2B im! = 075 = 0.8m Ny 3. You need to administer 125 mg of methylprednisolone sodium succinate (Solu-Medrol) IV push bid toa patient with acute exacerbation of chronic obstructive pulmonary disease. You have on hand 40 mg/mL. How much do you prepare? [25m — 2,135 = 2.ml %'—%ylm A 4. A patient is to receive 1V heparin now for a blood clot in the leg. It is ordered at 11 mL/hour. Until the ['V infusion controller is available. How many drops per minute will you run on microdrip tubing? Ml b9y 4 Wlmin omin 5. A patient has a bottle of warfarin (Coumadin) 5 mg tablets at home. After his most recent international normalized ratio (INR), the doctor calls and tells him to take 7.5 mg/day. How many tablets should the patient take? Z«:%g, _ S aly " 6. You need to administer IV piperacillin sodium/tazobactam sodium (Zosyn) 3.375 g in 50 mL D5W to run over 20 minutes. How many drops per minute do you set if the [V tubing has a drop factor of 157 Soml o _ 5 - B?CJMW‘“ Aomin 7. Your patient is taking acetaminophen (Tylenol) gr 1S5 every 6 hours PO for headache pain. You know the maximum safe dose is 4 g in 24 hours. Is the dose safe? |6(~ - @Dma Ig - |58f \Dar N DY Hy \es isaf 8. You are caring for your ill grandmother at home. She has an order for magnesium hydroxide/aluminum hydroxide (Maalox) 10 mL PO pm stomach upset. How do you instruct her to measure her dose using household measuring spoons? | bfio = 5ml _IO/”\‘ Qsp !
Math of Dosage Practice #24 9. Your patient needs 2000 mL of saline I'V over 4 hours for severely deficient fluid volume. How many milliliters per hour will you set on a controller? OG0! = G0mi 10. Your patient needs 2000 mL of D5W IV over 24 hours, to be delivered with a tubing set with a drop factor of 15. How many drops per minute will you set for an infusion rate? &OOO“" [6/ /;l/p NL{()m/\ QU 35 = 6”7# " 11. You have on hand penicillin 300,000 units/mL. Your order reads penicillin 1,000,000 units IM. How will you fill the syringe? 1,6 1,000, OO Lnits | BOO)OUOLW’MM X m’ = 3 35 % 5”\{ 12. The physician orders alprazolam (Xanax) 0.5 mg PO. You have on hand Xanax 0.25 mg tablets. How many will you give? 0:5 VIS B35 = P 13. You need to administer 250 mg of erythromycin PO. You have on hand 0.5 g tablets. How many tablets will you give? CDcE)f == SOOMC o) g N@6On» = 6o5¢ S} 00 14. You need to administer 400 mg of erythromycin PO. You have on hand a suspension of 125 mg/5 mL. How M 93 much will you prepare’ ANO Om [ {grn | 193"6 X5m) 15. You need to administer furosemide (Lasix) 2 mg/minute via continuous IV infusion on a controller. Pharmacy has sent a bag of Lasix 400 mg diluted in DSW 250 mL. How many milliliters per hour will you sct on the controller? 50ml N ch\_ (gOmzt\) —76m/(4', l{OOf"‘a \m,f\
Math of Dosage Practice #24 16. A patient with HIV infection is receiving 200 mg of didanosine PO bid. The pharmacy only has powder packets with 167 mg each, to be mixed with 4 oz of water. How many packets should the patient mix? How much should the patient take? How can it be measured? = omli a()—(f:a_?_ ¥ L(”g’,. L'é‘go \‘a)ml - ’(,(Qm( .% ‘6("\’ - Cfu(.') /(‘OSP {Smi= | Tbfip |(p7m3 - 9 17. Your patient needs 12,000 units of heparin SC. You have on hand 5000 units/mL. How much will you inject? . . :Q,O(.)Ou'\:b ) —_ “E 200 s x Iml= DHmi 18. You have on hand atropine 0.4 mg/mL. You need to administer atropine gr 1/150 IM. How many milliliters will you preparc? Jar = (Q Omé O-qug e 'm[ e 50( le ¢ . V % %?K ,\ h| 0-"1"“7 19. The physician orders meperidine 75 mg IM every 4 to 6 hours prn for a paticnt admitted with acute cholecystitis. You have on hand meperidine 50 mg/mL. How much will you give? Ses. [l = 15 iiOf‘“b 20. A paticnt is receiving 60 mg of methylprednisolone IM every 8 hours. You have on hand 75 mg/mL. How much will you draw up? Loms Jml = 0.3 76m<a 21. The physician orders an I'V with heparin at 700 units/hour. You have a bag with 100 units/mL of solution. How many milliliters per hour will you set on the infusion controller? 700@1”8*5 —7m| h/f 00eds v
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