ATI DOSAGE CALCULATIONS –STUDY GUIDE(LATEST 2021/2022)

: Mr. Cooper is in the critical care unit and requires sedation for an emergency procedure. The prescription reads midazolam (Versed) 10 mcg/kg intravenous now. The patient weighs 220 pounds. How many micrograms of Versed do you give Mr. Cooper? A: 22 mcg. B: 1,000 mcg. C: 100 mcg. D: 2,200 mcg. 2: You are preparing to give Mr. Hamptou his Lopressor (metoprolol tartrate) 100 mg PO daily as prescribed. The pharmacy sends up Lipitor 50-mg tablets. How many tablets do you give to Mr. Hamptou? A: 2 tablets. B: 1 tablet. C: None; the pharmacy sent up the wrong medication. D: None; the prescription is for capsules and the pharmacy sent up tablets. 3: Prescription: Synthroid, generic name levothyroxine, 100 mcg PO daily. 50 mcg = 0.05 mg. The pharmacy sends up a 0.1-mg tablet of Synthroid. Is this the correct dose? A: No, it should be 0.5 mg. B: Yes, this is the correct dose. C: Yes, but you should give one-half of the tablet daily. D: No, you cannot convert micrograms to milligrams. 4: Prescription: Lamivudine 30 mg by mouth. Have: Lamivudine oral solution = 10 mg/mL. How much will you give? A: 300 mL. B: 30 mL. C: 3.33 mL. D: 3 mL. 5: Prescription: Indomethacin 20 mg by mouth every morning. Have: Indomethacin oral suspension = 25 mg/5 mL. How much Indomethacin will you give each morning? A: 3 mL. B: 4 mL. C: 5 mL. D: 100 mL. 6: Prescription: Valproic acid 400 mg by mouth now. Have: Valproic acid oral syrup = 250mg/5 mL. How much valproic acid will you give? A: 8 mL. B: 3.125 mL. C: 20 mL. D: 5 mL. 7: Prescription: Albuterol 1.6 mg by mouth. Have: Albuterol oral syrup = 2 mg/5 mL. How much will you give? A: 6 mL. B: 5 mL. C: 4 mL. D: 3 mL. 8: Prescription: Amprenivir 450 mg by mouth. Have: Amprenivir 150-mg capsules. How many capsules of Amprenivir will you give? A: 2 capsules. B: 3 capsules. C: 4 capsules. D: 5 capsules. 9: Nine-year-old Peter is diagnosed with otitis media and receives the following prescription: Cefprozil oral suspension 350 mg by mouth. Have: Cefprozil oral suspension = 250 mg/5 mL. How much Cefprozil will you give? A: 7 mL. B: 5 mL. C: 3.57 mL. D: 120 mL. 10: Mrs. Jennings has herpes zoster due to immunosuppression as a result of chemotherapy given to treat her breast cancer. She receives the following prescription: Acyclovir 200 mg IV. Have: Acyclovir solution for IV infusion = 500 mg/10 mL. How much will you give? A: 25 mL. B: 4 mL. C: 6 mL. D: 70 mL. 11: Mr. Markwood is diagnosed with severe adrenocortical insufficiency and is prescribed hydrocortisone sodium succinate (Solu-Cortef) 250 mg IV now. The pharmacy sends up multiple vials of Solu-Cortef intravenous solution 125 mg/2 mL. How much Solu-Cortef will you give? A: 75 mL. B: 187.5 mL. C: 4 mL. D: 2 mL. 12: Erica is seven years old and needs to be premedicated to prevent nausea from the chemotherapy that she is set to receive in 1 hour. The standing order reads as follows: Metaclopramide syrup 8 mg by mouth 1 hour prior to chemotherapy. The pharmacy sends up multiple containers of metaclopramide syrup 5 mg/5 mL. How much metaclopramide will you give 1 hour prior to chemotherapy? A: 40 mL. B: 8 mL. C: 3.125 mL. D: 5 mL. 13: Mr. Walberg has a history of seizures, and his laboratory work indicates that he has a therapeutic blood level of phenytoin. Therefore, the nurse practitioner prescribes the usual dose of phenytoin Mr. Walberg takes at home: phenytoin 75 mg orally by suspension every evening. The pharmacy sends up phenytoin 125 mg/5 mL. How much phenytoin will you give Mr. Walberg this evening? A: 7 mL. B: 8.33 mL. C: 2.5 mL. D: 3 mL. 14: Mrs. Corliss was in Mexico for vacation 3 months ago and has stomach complaints. She has just been diagnosed with intestinal amebiasis. The physician prescribes the following: erythromycin (Estolate suspension) 400 mg by mouth now. The pharmacy sends up Estolate suspension 250 mg/5 mL. How much Estolate suspension do you give now? A: 8 mL. B: 3.125 mL. C: 1.6 mL. D: 200 mL. 15: Mr. Johanson just arrived on the unit and is prescribed loracarbef (Lorabid) 400 mg orally now. The pharmacy dispenses Lorabid 200 mg/5 mL suspension. How much Lorabid do you give Mr. Johanson? A: 2.5 mL. B: 5 mL. C: 10 mL. D: 20 mL. ..............................................................................................CONTINUE