A nurse is preparing to administer cimetidine 300 mg IV over 15 min to a client. Available is cimetidine 300 mg/100 mL of 0.9% sodium chloride. 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. Done use a trailing zero.)
The Correct Answer is ["400"]
Step 1: Determine the Total Volume Needed
- Supplied concentration: 300 mg/100 mL
- Prescribed dose: 300 mg
- Total volume needed = 100 mL
Step 2: Convert Time to Hours
- Prescribed infusion time = 15 minutes
- 15 minutes ÷ 60 minutes/hour = 0.25 hours
Step 3: Calculate the Infusion Rate (mL/hr)
- Infusion rate = Total volume (mL) ÷ Time (hours)
- Infusion rate = 100 mL ÷ 0.25 hours
- Infusion rate = 400 mL/hr
The nurse should set the IV pump to deliver cimetidine at 400 mL/hr (rounded to the nearest whole number).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Acetaminophen: Acetaminophen is not an antihistamine and does not typically interfere with allergy testing. It can be safely continued before the procedure.
B. Pseudoephedrine hydrochloride: Pseudoephedrine is a decongestant and does not directly interfere with the results of allergy testing. It is not necessary to avoid pseudoephedrine for this purpose.
C. Diphenhydramine: Diphenhydramine is an antihistamine and should be avoided for up to 4 weeks before allergy testing to ensure accurate results. Other antihistamines should also be discontinued for the same duration.
D. Albuterol: Albuterol is a bronchodilator and does not interfere with the results of allergy testing. It can be continued before the procedure.
Correct Answer is D
Explanation
A. Infiltration:
Infiltration refers to the inadvertent administration of a non-vesicant solution into the surrounding tissue. It is characterized by swelling, pallor, and coolness at the infusion site, but redness and inflammation along the vein are not typical signs of infiltration.
B. Extravasation:
Extravasation occurs when a vesicant solution (a substance that can cause tissue damage) infiltrates into the surrounding tissue. It can cause tissue damage and necrosis. While inflammation is a concern with extravasation, it is not the primary sign, and redness may occur later.
C. Venous spasm:
Venous spasm involves the constriction of the blood vessel, leading to decreased blood flow. It is not typically associated with redness and inflammation along the vein.
D. Phlebitis:
This is the correct answer. Phlebitis refers to inflammation of a vein, and it is characterized by redness, warmth, and tenderness along the course of the vein. Phlebitis can be caused by various factors, including irritants in the infused solution, mechanical trauma, or infection.
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