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A nurse is preparing to administer heparin 5.000 units subcutaneous every 12 hr to a client who is pregnant and has atrial fibrillation. Available is heparin solution for injection 7.500 units/mL. How many mL should the nurse administer? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["0.67"]

Given:

Prescribed dose: 5,000 units of heparin

Available concentration: 7,500 units/mL

Steps to solve:

Determine the volume to be administered:

Set up a proportion to solve for the unknown volume (X):

7,500 units/mL = 5,000 units/X mL

Cross-multiplying gives us:

7,500 units x X mL = 5,000 units x 1 mL

Simplifying:

7,500X = 5,000

Solving for X:

X = 5,000 / 7,500 = 0.67 mL

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Free Nursing Study Resources

Correct Answer is ["167"]

Explanation

Given:

Total volume: 1000 mL

Time: 6 hours

Steps to solve:

Determine the flow rate:

Set up a proportion to solve for the unknown flow rate (X):

1000 mL/6 hr = X mL/1 hr

Cross-multiplying gives us:

1000 mL x 1 hr = 6 hr x X mL

Simplifying:

1000 = 6X

Solving for X:

X = 1000 / 6 = 166.67 mL/hr

Round to the nearest whole number:

167 mL/hr.

A. Offer the medication now to prevent saturation of the perineal pad. B. Administer the medication once if the client saturates the perineal pad within 15 min. C. Give the medication each time the client saturates the perineal pad within 15 min. D. Wait 15 min to administer the medication after the client saturates a perineal pad.

Correct Answer is B

Explanation

A) Offer the medication now to prevent saturation of the perineal pad: The prescription specifies administering oxytocin only if the client saturates the perineal pad within 15 minutes. Offering the medication proactively without evidence of excessive bleeding would not be appropriate. Oxytocin should be given in response to the situation described in the prescription, not as a preventive measure.
B) Administer the medication once if the client saturates the perineal pad within 15 min: This is the correct interpretation of the prescription. The prescription clearly states that oxytocin 10 units IM is to be given once if the perineal pad is saturated within 15 minutes. The medication is prescribed to control postpartum bleeding, and the nurse should administer it only if there is evidence of excessive bleeding, as indicated by the saturated pad.
C) Give the medication each time the client saturates the perineal pad within 15 min: The prescription only calls for a single dose of oxytocin 10 units IM, not repeated doses. The nurse should administer the medication only once if the perineal pad is saturated in 15 minutes, not repeatedly every time this occurs.
D) Wait 15 min to administer the medication after the client saturates a perineal pad: There is no instruction in the prescription to delay administration for 15 minutes after the perineal pad is saturated. The prescription specifies that the medication should be administered if the pad is saturated within 15 minutes, so waiting would be inappropriate

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Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer 0.45% sodium chloride 000 mL IV to infuse over 6 hr to a postpartum client. 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.)

Correct Answer is ["167"]

Explanation

A nurse is caring for a client who is postpartum and has a prescription for oxytocin 10 units IM one time only for the saturation of a perineal pad in 15 min or less. How should the nurse interpret this prescription?

Correct Answer is B

Explanation

A nurse is preparing to administer methadone 2.5 mg PO every 8 hr to a client who is postpartum. Available is methadone oral solution 10 mg/5 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is caring for a newborn who weighs 6 lb. The nurse should record the newborn's weight as how many g? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is reviewing a client's new prescription for clindamycin 5 g vaginal qhs for 7 days for group B streptococcus. The nurse should clarify which of the following components of the prescription?