The nurse is caring for a client receiving Magnesium Sulphate. The loading dose has already been given and the maintenance dose order reads 1g/hr. The drug is supplied 20g/500ml
Solve the maintenance dose to be given in ml/hr
25mg/hr
25g/hr
250ml/hr
25ml/hr
The Correct Answer is D
A. 25mg/hr is incorrect. The question asks for the volume in mL/hr, not the dose in milligrams per hour.
B. 25g/hr is incorrect. The ordered dose is 1g/hr, not 25g/hr.
C. 250mL/hr would provide a much higher dose than ordered, based on the concentration.
D. 25mL/hr is correct. This is the calculated volume to deliver the 1g/hr maintenance dose based on the supplied concentration. Volume= Ordered dose/ Concentration
Determine the concentration of the solution: The supplied concentration is 20g/500mL, which simplifies to 0.04g/mL (since 20g = 20,000mg and 500mL = 500mL).
Determine the ordered dose: The order is for a maintenance dose of 1g/hr.
Calculate the volume to be infused: 1/0.04= 25mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Strict intake and output monitoring is important for managing any patient with significant blood loss or who is at risk for complications, but it does not directly address the immediate needs of a client with abruptio placentae. The priority is stabilizing the mother and delivering the fetus safely.
B. Prepare for delivery of the fetus by cesarean section (C/S) is correct. Abruptio placentae (placental abruption) is a life-threatening condition where the placenta prematurely detaches from the uterine wall, leading to bleeding and potential fetal distress. Immediate delivery is often required, especially if there is significant bleeding or fetal compromise. A cesarean section is usually the preferred method of delivery in these cases to reduce the risk of maternal and fetal complications.
C. Weekly monitoring of coagulation factors is important for managing coagulopathies that might develop in the presence of placental abruption, but it is not the immediate action required. Immediate delivery is the priority.
D. Complete bed rest for the remainder of the pregnancy may be recommended for certain cases of placental abruption with mild symptoms, but in the presence of moderate vaginal bleeding and significant findings on ultrasound, immediate delivery (typically by C-section) is more urgent.
Correct Answer is D
Explanation
A. To enhance the clearing of the newborn's respiratory passages is not the primary reason for putting the newborn to the breast immediately. While early skin-to-skin contact and breastfeeding are beneficial, the clearing of respiratory passages is more directly related to the initial care the baby receives (such as suctioning if necessary), not breastfeeding.
B. To aid in maturing the newborn's sucking reflex is not the main reason for immediate breastfeeding. The sucking reflex is typically well-established in most newborns by the time of birth, and breastfeeding can help reinforce it. However, the reflex is present and functional even if the baby is not immediately breastfeeding.
C. To encourage the development of maternal antibodies is important in the longer term. Breastfeeding does provide immunological benefits to the baby (like colostrum), but the immediate reason for putting the baby to the breast is more about bonding and initiating breastfeeding.
D. To facilitate maternal-infant bonding is the primary reason for encouraging early breastfeeding. Skin-to-skin contact and breastfeeding immediately after birth promote emotional bonding between the mother and baby, which is beneficial for both. It also promotes the release of oxytocin in the mother, which supports uterine involution and maternal well-being.
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