A client receives a prescription for heparin 900 units/hr IV. The IV bag contains heparin 25,000 units in 500 mL of 0.45% normal saline.
How many mL/hr should the nurse program the infusion pump to deliver?
The Correct Answer is ["18"]
Step 1 is to calculate the infusion rate. The prescription is for heparin 900 units/hr IV. The IV bag contains heparin 25,000 units in 500 mL of 0.45% normal saline.
So, the calculation would be (900 units ÷ 25,000 units) × 500 mL = 18 mL/hr.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Reducing the infant’s fruit intake for 24 hours is not the best approach in this situation. While certain fruits can cause diarrhea, the parent reports no signs of watery stools. Therefore, this intervention may not address the issue of the red and raw diaper area.
Choice B rationale
Cleaning with soap and water at each diaper change can actually worsen the condition. Soap can dry out the skin and disrupt the skin’s natural barrier, potentially leading to more irritation. It’s generally recommended to use water and a soft cloth, or a gentle non-soap cleanser, to clean the diaper area.
Choice C rationale
Changing the child’s diaper more frequently is the most appropriate intervention. A wet or dirty diaper can irritate the skin, leading to diaper rash. By changing the diaper more often, the skin is kept clean and dry, which can help the rash heal.
Choice D rationale
Applying lotion with each diaper change is not typically recommended for diaper rash. Some lotions can contain fragrances or other ingredients that can further irritate the rash. Instead, a barrier cream or ointment, such as one containing zinc oxide, is often recommended.
Correct Answer is B
Explanation
Choice A rationale
A lung biopsy is an invasive procedure that is typically performed to diagnose conditions such as lung cancer or interstitial lung disease. It is not the first-line test for evaluating increased shortness of breath in a client with COPD56.
Choice B rationale
Spirometry is a common, non-invasive test used to assess lung function and is particularly useful in conditions like COPD. It measures the volume and speed of air a person can inhale and exhale, which can help in assessing the severity of COPD56.
Choice C rationale
Antibody testing is typically used to diagnose conditions related to the immune system, such as allergies or autoimmune diseases. It is not typically used to evaluate shortness of breath in a client with COPD56.
Choice D rationale
A sweat test is used to diagnose cystic fibrosis by measuring the amount of salt in a person’s sweat. It is not used to evaluate shortness of breath in a client with COPD56.
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