A nurse is preparing to administer vitamin K 1 mg IM to a newborn. Available is vitamin K injection 1 mg/0.5 mL. How many mL should the nurse administer per dose?
Choice A: 0.25 mL
Choice B: 0.5 mL
Choice C: 0.75 mL
Choice D: 1 mL
The Correct Answer is B
Choice A rationale:
0.25 mL - The nurse should not administer 0.25 mL because the available concentration of vitamin K injection is 1 mg/0.5 mL. To achieve the prescribed dose of 1 mg, administering only 0.25 mL would be insufficient.
Choice B rationale:
0.5 mL - This is the correct choice. The nurse should administer 0.5 mL of the vitamin K injection to deliver 1 mg of vitamin K, as the concentration of the injection is 1 mg/0.5 mL. By giving the full 0.5 mL, the newborn will receive the appropriate 1 mg dose.
Choice C rationale:
0.75 mL - Administering 0.75 mL would be excessive for the prescribed 1 mg dose of vitamin K. It is unnecessary to give a higher volume than required, as it could lead to potential adverse effects or wastage.
Choice D rationale:
1 mL - Similarly, administering the entire 1 mL of the vitamin K injection would result in doubling the prescribed dose, leading to potential overdose and adverse reactions. The nurse should avoid administering more than the necessary 0.5 mL.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
The correct answer is choice d. Place the client in a knee-chest or Trendelenburg position.
Choice A rationale:
Preparing the client for an emergency cesarean birth is important, but it is not the immediate first action. The priority is to relieve pressure on the umbilical cord to prevent fetal hypoxia.
Choice B rationale:
Explaining to the client what is happening is important for communication and reassurance, but it is not the immediate first action. Immediate physical intervention is required to prevent harm to the fetus.
Choice C rationale:
Covering the cord with a sterile, moist saline dressing is a necessary step to prevent the cord from drying out and to reduce infection risk, but it should be done after repositioning the client to relieve pressure on the cord.
Choice D rationale:
Placing the client in a knee-chest or Trendelenburg position helps to relieve pressure on the umbilical cord, which is crucial to maintain fetal oxygenation. This is the immediate first action to take in this emergency situation.
Correct Answer is A
Explanation
Choice A rationale :
Prepare for cesarean birth. The nurse should consider preparing for a cesarean birth as the client is at 39 weeks of gestation and has heavy vaginal bleeding. Heavy vaginal bleeding during pregnancy could indicate an emergency situation such as placental abruption or placenta previa, both of which can be life-threatening for the mother and the baby. In such cases, an emergency cesarean birth might be necessary to ensure the safety of both the client and the baby. Promptly preparing for the procedure will help expedite the process and prevent any delays in providing necessary medical care.
Choice B rationale
Initiate an IV infusion of magnesium sulfate. Magnesium sulfate is not indicated in this situation. Magnesium sulfate is commonly used in obstetrics, particularly in the management of preeclampsia and eclampsia to prevent seizures. However, the client's heavy vaginal bleeding suggests a different issue and magnesium sulfate would not address the underlying cause. Instead, the focus should be on identifying and managing the cause of the bleeding to ensure the best outcome for the client and the baby.
Choice C rationale
Administer antibiotics. Administering antibiotics is not the priority action in this scenario. Heavy vaginal bleeding in a pregnant client requires immediate attention to assess the cause and determine the appropriate course of action. While antibiotics may be necessary in some situations, they are not the first-line treatment for heavy vaginal bleeding during pregnancy. The nurse should focus on providing prompt and appropriate care to address the client's immediate needs.
Choice D rationale
Request the RN to perform a cervical examination. Performing a cervical examination may provide valuable information about the cause of the heavy vaginal bleeding. It can help determine if the bleeding is related to cervical changes, such as cervical dilation or effacement. The findings from the cervical examination, along with other assessments, will aid in making the most appropriate decisions regarding the client's care. However, it is not the only action that the nurse should take. In this critical situation, the nurse must prioritize immediate interventions to ensure the safety and well-being of the client and the baby.
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