A client with severe preeclampsia is receiving magnesium sulfate as part of the treatment plan. To ensure the client's safety, which compound would the nurse have readily available?
potassium chloride
ferrous sulfate
calcium carbonate
calcium gluconate
The Correct Answer is D
A. Potassium chloride is not used in the treatment of magnesium sulfate toxicity. Potassium chloride is typically used to correct low potassium levels, but it is not directly related to managing magnesium sulfate toxicity.
B. Ferrous sulfate is an iron supplement, typically used to treat or prevent iron deficiency anemia, and does not play a role in managing magnesium sulfate toxicity.
C. Calcium carbonate is an antacid and is not used to counteract magnesium sulfate toxicity.
D. Calcium gluconate is the correct choice. Magnesium sulfate is used in severe preeclampsia to prevent seizures, but it can cause toxicity, leading to respiratory depression, loss of deep tendon reflexes, or even cardiac arrest. Calcium gluconate is the antidote for magnesium sulfate toxicity and should be readily available to reverse these effects if necessary.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. A score of 7 would be given if the infant’s heart rate was 100, but with less than optimal responses for color, muscle tone, and respiratory effort. However, this baby demonstrates strong responses in all categories.
B. A score of 8would indicate that the baby has no signs of cyanosis and perfect responses in all categories, but since the infant has blue hands, it scores slightly lower (1 point less for color).
C. A score of 5 would indicate more significant distress, with poor color, respiratory effort, and muscle tone. This infant is showing good signs of adaptation.
D. The Apgar score is calculated based on five criteria: heart rate, respiratory effort, muscle tone, reflex irritability, and color. The infant in the scenario has:Heart rate of 100 (score 2)Pink body and blue hands (score 1 for color—because the baby is not fully pink, indicating some cyanosis in the extremities)Active motion (score 2 for muscle tone)Strong lusty cry (score 2 for reflex irritability/responsiveness to stimuli)
Good respirations (score 2)Adding these scores (2 + 1 + 2 + 2 + 2), the total is 9.
Correct Answer is D
Explanation
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
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