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 C
Explanation
A. Ferning is a test to detect ferning patterns in amniotic fluid under a microscope. A positive result indicates the presence of amniotic fluid but does not suggest infection.
B. Yellow-green fluid may suggest meconium-stained amniotic fluid, which is often associated with fetal distress, but it does not directly indicate infection. However, it can increase the risk of infection if the meconium is aspirated by the baby.
C. Foul odor is a key sign that infection may be present, particularly in the case of chorioamnionitis, an infection of the fetal membranes. A foul odor in the amniotic fluid suggests the presence of bacteria and should raise concern for infection, requiring prompt intervention.
D. Blue color on Nitrazine testing indicates that the amniotic fluid is alkaline, which is expected and normal, as amniotic fluid typically has a pH of 7-7.5. This test is used to confirm the rupture of membranes, not infection.
Correct Answer is D
Explanation
A. "I know to call my health care provider right away if I start to bleed again." This statement reflects the woman's understanding of the importance of monitoring for any complications such as bleeding and taking prompt action, which is appropriate for expectant management.
B. "My mother lives next door and can drive me here if necessary." This indicates that the woman has support at home, which is important for her ability to access care if needed. It suggests a good support system for managing the pregnancy.
C. "I realize the importance of following the instructions for my care." This shows that the woman understands the need for careful adherence to her care plan, which is a positive sign that she is well-informed and prepared for home care.
D. "I have a toddler and preschooler at home who need my attention." This statement raises concern because caring for young children at home might pose a risk to the woman’s health and safety. It can make it more challenging for her to adhere to the prescribed bed rest or reduced activity level needed for managing placenta previa, especially if she needs to be closely monitored for bleeding or complications. Therefore, this statement suggests that home care might not be appropriate in this situation.
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