A nurse is preparing to administer digoxin 4 mcg/kg/day PO to divide equally every 12 hr for an infant who weighs 7kg. Available is digoxin elixir 0.05 mg/mL. How many mL should the nurse administer per dose? (Use a leading zero if it applies, Round the answer to the hundredth place. Do not use a trailing zero.)
The Correct Answer is ["0.28"]
Step 1: Calculate the total daily dose
The prescription is: 4 mcg/kg/day
Infant weighs 7 kg
= 4 mcg/kg/day × 7 kg = 28 mcg/day
4mcg/kg/day×7kg=28mcg/day
Step 2: Divide the daily dose into 2 doses (every 12 hr)
28mcg/day÷2=14mcg per dose
Step 3: Convert mcg to mg
14mcg=0.014mg
Step 4: Use the concentration to find the volume to give
Available concentration:
0.05 mg/mL
Set up the proportion:
0.014/0.05 =0.28mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is B
Explanation
A: A Doppler at the antecubital fossa is not specific for AV graft patency.
B: A bruit (whooshing sound) heard through auscultation and a palpable thrill (vibration) over the AV graft indicate patency and normal function.
C: BP comparison doesn’t assess AV graft function.
D: Peripheral pulses don’t give specific information about graft flow.
Correct Answer is D
Explanation
A: Teaching about swallowing techniques requires the RN's assessment and involvement, as it involves complex decision-making related to the client’s safety.
B: Feeding a client for the first time after a stroke requires skilled assessment of swallowing abilities, which is an RN responsibility.
C: Neurologic assessment, including evaluating limb movement, requires the RN’s expertise in monitoring stroke recovery.
D: Administering subcutaneous anticoagulants is within the LPN’s scope of practice once the appropriate assessment is completed by the RN.
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