A client is prescribed a heparin infusion to run at 750 units/hr. The heparin is supplied as 25.000 units/250 mL. At what rate should the nurse set the infusion pump? (Do not use a trailing zero. Round to the tenth place. Do not use a trailing zero)
The Correct Answer is ["7.5"]
Rationale:
Ordered dose = 750 units/hr
Available concentration = 25,000 units in 250 mL
Set up a proportion:
25,000 units : 250 mL = 750 units : X mL
Cross multiply:
25,000 × X = 750 × 250
25,000X = 187,500
X = 187,500 ÷ 25,000 = 7.5 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is B
Explanation
Rationale:
A. Skin rash is not associated with epiglottitis.
B. Epiglottitis is an inflammation of the epiglottis, which can rapidly lead to severe swelling and life-threatening airway obstruction. Prompt recognition and airway management are critical.
C. Digestive system dysfunction is not a complication of epiglottitis.
D. Urinary tract infections are unrelated to this upper respiratory condition.
Correct Answer is D
Explanation
Rationale:
A. While reading a story can provide comfort and education, it is less effective in addressing hands-on fears directly.
B. Watching a video may help with general understanding, but does not offer a way to express feelings or practice.
C. Observing a nurse draw up insulin may not be appropriate or engaging for a young child and could increase anxiety.
D. Playing with medical equipment on a doll is a form of medical play that helps children express their feelings, gain control, and reduce fear related to procedures like injections.
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