A nurse is preparing to administer heparin at 1,000 units/hr via continuous IV infusion to a client who had a coronary artery bypass graft. Available is heparin 25,000 units in dextrose 5% in water in 250 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 ["10"]
ML
The formula to calculate the IV flow rate is:
mL/hr =
(Desired dose (units/hr)×Total volume (mL))/ Available dose
Substituting the given values:
(1,000×250)/25000
= 250,000/25,000
= 10ml/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Use clean technique for invasive procedures is incorrect because clients with neutropenia require sterile technique for invasive procedures to minimize infection risk.
B. Allow healthy children to visit is incorrect because children can be asymptomatic carriers of infections, which can be life-threatening for immunocompromised clients.
C. Make sure the client's room is cleaned every 2 days is incorrect because a neutropenic client’s room should be cleaned daily to reduce exposure to pathogens.
D. Monitor the client's temperature every 4 hr is correct because even a slight fever can indicate infection, which can be life-threatening for a client with neutropenia. Frequent monitoring allows for early detection and intervention.
Correct Answer is C
Explanation
A. "I will take the medication in the morning." Metformin extended-release can be taken once daily, but it is usually recommended with the evening meal to improve gastrointestinal tolerance.
B. "I will take the medication on an empty stomach." This is incorrect because metformin should be taken with food to reduce gastrointestinal side effects such as nausea and diarrhea.
C. "I will avoid crushing this medication." This is correct because extended-release tablets should not be crushed, split, or chewed, as this can alter the drug’s release mechanism.
D. "I will expect to gain weight." Metformin is not associated with weight gain; in fact, it may cause modest weight loss in some clients.
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