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
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Correct Answer is C
Explanation
A. Plan for your son to meet his sister for the first time at home. This is incorrect because allowing the sibling to visit the newborn in the hospital can help with early bonding and ease the transition.
B. Give your son plenty of "alone time" with his sister. This is incorrect because young children require supervision around infants to ensure safety.
C. Give your son a little gift from his new sister. This is correct because presenting a small gift from the baby helps the older sibling feel included and fosters a positive association with the new arrival.
D. Hold your daughter when your son first meets her. This is incorrect because allowing the older sibling to greet the parent first before introducing the baby can help them feel reassured and less displaced.
Correct Answer is D
Explanation
A. Strain the client's urine. This is incorrect because straining urine is necessary for clients with radioactive seeds placed in the bladder, but not for prostate cancer brachytherapy, where the seeds typically remain in place.
B. Limit each of the client's visitors to 2 hr per day. This is incorrect because visitors should be limited to short durations, but the exact time is typically restricted to 30 minutes per visit rather than a total of 2 hours per day.
C. Attach a dosimeter to the client's gown. This is incorrect because a dosimeter should be worn by healthcare staff, not attached to the client. It helps monitor radiation exposure for staff members.
D. Instruct visitors to stay 1 m (3.3 feet) away from the client. This is correct because maintaining a safe distance from the client helps minimize radiation exposure for visitors. Visitors should also limit their time near the client and avoid close contact.
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