A nurse is preparing to administer a continuous heparin infusion at 1600 units/hr. Available is heparin 25.000 units in dextrose 5% in water (DSW) 500 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.)
The Correct Answer is ["32"]
1. Determine the concentration of heparin in the solution:
- There are 25,000 units of heparin in 500 mL of D5W.
- Concentration = 25,000 units / 500 mL = 50 units/mL.
2. Calculate the required mL/hr for the desired infusion rate:
- The order is for 1600 units/hr.
- To find the mL/hr:
ML/HR=desired units/hr divided by unts/ml
=1600/50
=32ml/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Palpating the femoral pulse is an essential part of assessing the neurovascular status of a client with a femur fracture. The presence and strength of the femoral pulse can indicate adequate blood flow to the lower extremity.
B. While measuring the circumference of the thigh can provide some information about swelling or changes in the size of the limb, it does not directly assess neurovascular status.
C. Monitoring the client's calf for edema is important for assessing for signs of deep vein thrombosis (DVT) or venous insufficiency, but it is not the primary technique for assessing neurovascular status.
D. Instructing the client to wiggle his toes is a way to assess motor function and nerve function, which is part of the neurovascular assessment. However, it is not the initial step in assessing neurovascular status in a client with an unrepaired femur fracture. The femoral pulse should be assessed first to ensure adequate blood flow.
Correct Answer is C
Explanation
A. Fasting is not necessary for a dual-energy x-ray absorptiometry (DXA) scan, as it does not involve ingesting anything.
B. The client does not need to lie flat for an extended period following a DXA scan. They can resume normal activities immediately after the test.
C.The nurse should instruct the client to remove all jewelry or metal objects that can interfere with the test. A DXA scan is the mostly commonly used screening and diagnostic tool for measuring bone mineral density.
D. . It is not necessary to empty the bladder before the test.
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