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 C
Explanation
A. Feeling pulsations in the neck is not an expected sensation during electroconvulsive therapy (ECT). The client is under general anesthesia and does not feel the procedure.
B. The client typically wakes up within 5 to 10 minutes after ECT, though they may remain drowsy for a while. 30 minutes is too long for initial awakening.
C. Post-procedure confusion and memory loss are common and temporary side effects of ECT, lasting a few hours to days in some cases.
D. Voice changes are not associated with ECT. The procedure does not affect the vocal cords or speech.
Correct Answer is D
Explanation
A. "You can take this medication with milk." This is incorrect because dairy products interfere with the absorption of tetracycline and should be avoided when taking the medication.
B. "You should take this medication at bedtime." This is incorrect because taking tetracycline at bedtime increases the risk of esophageal irritation. It should be taken with a full glass of water while sitting or standing upright.
C. "Constipation is an adverse effect of this medication." This is incorrect because tetracycline is more commonly associated with diarrhea rather than constipation.
D. "Light sensitivity is an adverse effect of this medication." This is correct because tetracycline can cause photosensitivity, making the skin more susceptible to sunburn. Clients should be advised to use sunscreen and wear protective clothing when exposed to sunlight.
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