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 A
Explanation
A. Minimizing distractions helps children with ADHD focus better and improves concentration.
B. Writing by hand does not necessarily enhance concentration and may actually increase frustration for some children with ADHD.
C. A structured and predictable routine is beneficial for children with ADHD, so varying activities daily may be counterproductive.
D. Encouraging a child to read during an outdoor activity period may limit needed physical movement, which can help manage ADHD symptoms.
Correct Answer is C
Explanation
A. The guardian wants to accompany the child from the ED to the radiology department. This is a typical parental response and does not indicate maltreatment. Parents often want to stay with their child for reassurance.
B. The guardian states the child fell off the swing in the backyard. This is a plausible explanation for an injury in a preschooler, though the consistency of the story with the injury should still be assessed.
C. The child was brought to the ED 2 days after the injury occurred. A delay in seeking medical care for a significant injury is a potential warning sign of child maltreatment and warrants further investigation.
D. The child cries loudly when their arm is moved or manipulated. Pain with movement is expected with a fracture and does not indicate maltreatment.
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