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 D
Explanation
A. Rowing - This activity can put strain on the lower back and may exacerbate low back pain.
B. Tennis - This sport involves a lot of twisting and sudden movements, which can potentially worsen low back pain.
C. Canoeing - While generally a low-impact activity, it still requires core stability which could potentially aggravate low back pain.
D. Swimming - Swimming is a highly recommended exercise for individuals with low back pain. It is a low-impact activity that helps strengthen the muscles in the back, as well as other parts of the body, without putting excessive strain on the spine. Additionally, the buoyancy of water provides support, reducing the impact on the joints.
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