For this problem I didn\'t really have trouble with the first twoparts but I wou

Question

For this problem I didn't really have trouble with the first twoparts but I would like to compare my answers. The third partis where I'm really stuck. I'm not sure how to go from mg tomL. Can someone please show me how to set this problemup?

52. Using conversion factors, solve the following clinicalproblems:
a. The physician has ordered 1.0 g of tetracycline to begiven every 6 hours to a patient. If your stock on hand is500-mg tablets, how many will you need for 1 day's treatment?

b. An intramuscular medication is given at 5.00 mg/kg of bodyweight. If you give 425 mg of medication to a patient, whatis the patient's weight in pounds?

c. A physician has ordered 0.50 mg of atropine,intramuscularly. If atropine were available as 0.10 mg/mL ofsolution, how many milliliters would you need to give?

Explanation / Answer

For A, you need to know how many milligrams are in agram. Since there are 1,000 milligrams per gram, and you have500-mg tablets, you have 0.5 grams per tablet. 1.0 gram / 0.5gram = 2 tablets x (24 hours/6 hours) = 8 tablets B. For B, you determine how many doses of medicine aregiven to determine the number of kilograms and use the conversionfactor of 0.4536 kilograms per pound to find the number ofpounds. (425 milligrams) x ( 1 kg / 5mg ) = ( 85kg)  x ( 1 lb / 0.4536kg) = 187.4 pounds. C. For this part you do not need to use a conversionfactor to change milligrams to milliliters as you did in part B,just how many portions of your given concentration you would needto full fill the desired quantity of medication. (0.5 mg) x ( 1 ml / 0.10 mg)= 5 milliliters Notice that when you set up your conversions in this fashion,you can cancel out units. If you are unsure how to set up aproblem, look at what you are given and what you are tryingto obtain. This will give you hints if you are unsure how toset up the conversion. Hope this helps =)

Related Questions

Navigate

• Browse (All)
• Browse F
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.