Nursing Elites

1. A nurse is preparing to administer heparin 8,000 units subcutaneously every eight hours. The amount available is heparin injection 10,000 units/mL. How many milliliters should the nurse administer per dose? (Round the answer to the nearest tenth)

• A. 0.8 mL
• B. 0.9 mL
• C. 10.0 mL
• D. 98.0 mL

Correct answer: A

Rationale: To determine the volume of heparin to administer per dose, divide the prescribed dose (8,000 units) by the concentration of heparin available (10,000 units/mL). 8000 units / 10000 units/mL = 0.8 mL. Therefore, the nurse should administer 0.8 mL per dose. Choice B, 0.9 mL, is incorrect as the correct calculation results in 0.8 mL. Choices C and D are significantly higher and incorrect, indicating an inaccurate calculation.

2. A nurse is providing teaching to a newly licensed nurse about administering morphine via IV bolus to a client. Which of the following information should the nurse include in the teaching?

• A. Respiratory depression can occur within 7 minutes after the morphine is administered.
• B. The morphine will peak within a few minutes.
• C. Withhold the morphine if the client has a respiratory rate less than 16/min.
• D. Administer the morphine over 2 minutes.

Correct answer: A

Rationale: The correct answer is A because respiratory depression is a significant risk when administering morphine, and it can occur within 7 minutes after administration. This information is crucial for the nurse to recognize and respond promptly. Choice B is incorrect because the peak effect of morphine via IV bolus is typically reached within a few minutes, not specifically 10 minutes. Choice C is incorrect because withholding morphine based solely on a respiratory rate less than 16/min may not be appropriate without considering other factors such as pain level, oxygen saturation, and overall respiratory status. Choice D is incorrect because administering morphine over 2 minutes may not prevent respiratory depression if it occurs rapidly after administration. Nurses should be vigilant for signs of respiratory depression regardless of the administration duration.

3. A client at 28 weeks of gestation is experiencing preterm labor. Which of the following medications should the nurse plan to administer?

• A. Oxytocin
• B. Nifedipine
• C. Dinoprostone
• D. Misoprostol

Correct answer: B

Rationale: Nifedipine is the correct choice because it is a calcium channel blocker that helps relax the uterus and stop preterm labor. Oxytocin (Choice A) is used to induce labor, not to stop preterm labor. Dinoprostone (Choice C) and Misoprostol (Choice D) are prostaglandins used to induce labor and ripen the cervix, not to stop preterm labor.

4. A nurse is planning to administer chlorothiazide 20 mg/kg/day PO divided equally and administered twice daily for a toddler who weighs 28.6 lb. The amount available is chlorothiazide oral suspension 250 mg/5 mL. How many mL should the nurse administer per dose? (Round to the nearest tenth)

• A. 2.6 mL
• B. 2.63 mL
• C. 2.7 mL
• D. 2.2 mL

Correct answer: A

Rationale: To find the dose per administration, first convert the toddler's weight to kg: 28.6 lb ÷ 2.2 = 13 kg. Then calculate the total daily dose: 20 mg/kg × 13 kg = 260 mg/day. Since it is divided into two doses, each dose is 130 mg. The concentration of the oral suspension is 250 mg/5 mL = 50 mg/mL. Therefore, to find the volume needed per dose, divide the dose by the concentration: 130 mg ÷ 50 mg/mL = 2.6 mL per dose. Hence, the nurse should administer 2.6 mL per dose. Choices B, C, and D are incorrect as they do not accurately calculate the dosage of chlorothiazide needed per dose based on the toddler's weight and the concentration of the oral suspension.

5. A nurse is providing teaching to a parent of a child who has asthma and a new prescription for a cromolyn sodium metered dose inhaler. Which of the following statements by the parent indicates the need for further teaching?

• A. I will give my child a dose as soon as wheezing starts.
• B. My child should rinse out his mouth after using the inhaler.
• C. My child should exhale completely before placing the inhaler in his mouth.
• D. If my child has difficulty breathing in the dose, a spacer can be used.

Correct answer: A

Rationale: The correct answer is A. Cromolyn sodium is a preventive medication and should not be used as a rescue inhaler when wheezing starts. This indicates a need for further teaching as the parent should understand that cromolyn sodium is not meant for immediate relief of symptoms. Choice B is correct as rinsing the mouth after using the inhaler helps reduce the risk of oral thrush, a common side effect. Choice C is correct as exhaling completely before using the inhaler helps ensure proper inhalation of the medication. Choice D is correct as a spacer can be used if the child has difficulty coordinating breathing with the inhaler, improving medication delivery.

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