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 A
Explanation
A. Elevated liver enzymes is a key indicator of HELLP syndrome, which stands for Hemolysis, Elevated Liver enzymes, and Low Platelets. HELLP syndrome is a severe form of preeclampsia and can lead to liver damage. Elevated liver enzymes, such as AST and ALT, are a hallmark of this condition, indicating liver dysfunction.
B. Elevated platelet count would be the opposite of what is expected in HELLP syndrome. In HELLP syndrome, there is typically low platelet count (thrombocytopenia), not an elevated one.
C. Leukocytosis refers to an increased white blood cell count, which can be indicative of an infection or inflammation, but it is not a hallmark of HELLP syndrome. HELLP syndrome primarily involves hemolysis, liver enzyme elevation, and low platelets.
D. Hyperglycemia is not a characteristic finding of HELLP syndrome. While it can occur in some pregnancy-related conditions, it is not specifically associated with HELLP syndrome. This condition is more associated with elevated liver enzymes and low platelets.
Correct Answer is A
Explanation
A. A pulse rate of 66 beats per minute is within the normal range for a postpartum woman, particularly 12 hours after birth. It's common for the pulse rate to decrease after delivery, as the body stabilizes and returns to its pre-pregnancy state. This is not a cause for concern and can be considered a normal physiological response to the postpartum period.
B. Contact the primary care provider, as it indicates early DIC (disseminated intravascular coagulation). This is unlikely, as DIC typically presents with more severe symptoms, such as bleeding, bruising, and a drop in blood pressure, not a lower pulse rate. A normal or slightly decreased pulse is not indicative of DIC.
C. While it's important to monitor for signs of anemia in the postpartum period (such as fatigue, dizziness, or weakness), a pulse of 66 beats per minute is not a typical sign of anemia. Anemia would more likely be accompanied by other symptoms, such as pallor or weakness.
D. Postpartum eclampsia typically presents with high blood pressure, severe headache, visual disturbances, or seizures, not a low pulse rate. A pulse rate of 66 beats per minute is not a sign of eclampsia.
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