You are instructed to administer tobramycin 35mg IM every 8 hours. The available supply is 40mg in a 1 mL vial.
How many mL’s should the nurse administer? Round your answer to the nearest tenth. Use a leading zero if it applies.
Do not use a trailing zero.
The Correct Answer is ["0.9 "]
Step 1: We are instructed to administer tobramycin 35mg IM every 8 hours. The available supply is 40mg in a 1 mL vial.
Step 2: We need to find out how many mL’s should the nurse administer. Step 3: We can set up a proportion to solve this.
Step 4: If 40mg is equivalent to 1mL, then 35mg is equivalent to x mL. Step 5: Solving for x gives us x = (35mg ÷ 40mg) × 1mL.
Step 6: Calculating the above expression gives us x = 0.875 mL.
Step 7: Rounding our answer to the nearest tenth, we get 0.9 mL. So, the nurse should administer 0.9 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["35 "]
Explanation
Step 1 is to calculate the total daily dosage in milligrams. This is done by multiplying the weight of the client by the ordered daily dosage. So, 70 kg × 25 mg/kg = 1750 mg/day.
Step 2 is to divide the total daily dosage by the number of doses per day to get the dosage per dose. So, 1750 mg ÷ 2 = 875 mg/dose.
Step 3 is to calculate the volume of the dose in milliliters. The supply of Amoxicillin is 125 mg/5 mL, which means there are 125 mg of Amoxicillin in every 5 mL. So, to find out how many milliliters contain 875 mg, we set up a proportion: (125 mg / 5 mL) = (875 mg / x mL). Solving for x gives x = (875 mg × 5 mL) ÷ 125 mg = 35 mL. Therefore, the correct dosage for one dose is 35 mL.
Correct Answer is A
Explanation
Choice A rationale
After a lumbar puncture, it is important for the patient to lie flat for approximately 6 hours. This position helps to prevent headaches that can occur after the procedure, which are caused by leakage of cerebrospinal fluid at the needle puncture site. Lying flat allows the puncture site to seal and prevents the leakage of cerebrospinal fluid.
Choice B rationale
Having the patient lie in a semi-Fowler’s position with the head of the bed at 35 degrees is not typically recommended immediately after a lumbar puncture. This position could potentially increase the risk of a post-lumbar puncture headache.
Choice C rationale
Early ambulation is not recommended after a lumbar puncture. Moving around too soon after the procedure can increase the risk of a headache and may also increase the risk of complications at the puncture site.
Choice D rationale
Having the patient lie flat for 1 hour, then sit up for 1 hour before ambulating is not a typical recommendation after a lumbar puncture. The standard recommendation is to have the patient lie flat for approximately 6 hours to reduce the risk of complications.
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