Exam (elaborations)
ATI RN Critical Care Dosage Calculation 3.1 Exam with Explained Answers
- Course
- Institution
ATI RN Critical Care Dosage Calculation 3.1 Exam with Explained Answers
[Show more]
Content preview
ATI RN Critical Care DosageCalculation 3.1 Exam with
Explained Answers
A nurse is preparing to administer esmolol 50 mcg/kg/min by continuous IV infusion to
a client who weighs 110 lb. Available is esmolol 2.5g in dextrose 5% in water 250 mL.
The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to
the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
RATIONALE
To answer this question, we need to calculate the dose of esmolol in mcg/kg/min, then
convert it to mg/hr, and then use the formula:
mL/hr = (dose in mg/hr) x (volume in mL) / (concentration in mg)
First, we convert the client's weight from pounds to kilograms:
110 lb x 1 kg / 2.2 lb = 50 kg
Next, we multiply the client's weight by the prescribed dose to get the dose in mcg/min:
50 kg x 50 mcg/kg/min = 2500 mcg/min
Then, we divide the dose in mcg/min by 1000 to get the dose in mg/min: 2500 mcg/min
/ 1000 = 2.5 mg/min
Finally, we multiply the dose in mg/min by 60 to get the dose in mg/hr: 2.5 mg/min x
60 = 150 mg/hr
Now, we can use the formula to find the infusion rate in mL/hr:
mL/hr = (150 mg/hr) x (250 mL) / (2500 mg)
mL/hr = 15
Therefore, the nurse should set the IV pump to deliver 15 mL/hr.
A nurse is preparing to administer 0.9% sodium chloride 100 mL IV to infuse over 15
min to a client. The drop factor of the manual IV tubing is 10 gtt/mL. The nurse should
set the manual IV infusion to deliver how many gtt/min? (Round the answer to the
nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
, RATIONALE
To solve this problem, the nurse needs to use the formula:
gtt/min = (Volume in mL x Drop factor in gtt/mL) / Time in min
Plugging in the given values, we get:
gtt/min = (100 x 10) / 15
gtt/min = 66.67
Rounding to the nearest whole number, we get:
gtt/min = 67
Therefore, the nurse should set the manual IV infusion to deliver 67gtt/min.
A nurse is preparing to administer fentanyl 50 mcg IM to a client. Available is fentanyl
0.05 mg/mL. How many ml should the nurse administer per dose? (Round the answer
to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
RATIONALE
To answer this question, you need to convert the dosage of fentanyl from micrograms
(mcg) to milligrams (mg). One milligram is equal to 1000 micrograms, so 50 mcg is
equal to 0.05 mg. Then, you need to use the formula D/H x Q, where D is the desired
dose, H is the dose on hand, and Q is the quantity. In this case, D is 0.05 mg, H is 0.05
mg/mL, and Q is the volume in milliliters. Plugging these values into the formula, you
get:
0.05 mg / 0.05 mg/mL x Q
Q = 1 mL
Therefore, the nurse should administer 1 mL of fentanyl per dose.
A nurse is preparing to administer 0.9% sodium chloride 750 mL IV to infuse over 2
hr. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer
to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
RATIONALE
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Aplusmaster. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81113 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now
