A patient with a gastric ulcer is ordered sucralfate (Carafate). How does this medication works?
calm the patient to reduce acid production
block the H2 receptors
neutralize the gastric acids
coat the gastric lining
The Correct Answer is D
A. Calm the patient to reduce acid production.
This description is not accurate for sucralfate. Calming the patient to reduce acid production is typically associated with medications like proton pump inhibitors (PPIs) or H2 receptor blockers.
B. Block the H2 receptors.
Blocking H2 receptors is the mechanism of action for H2 receptor blockers, such as ranitidine. It is not the mechanism of action for sucralfate.
C. Neutralize the gastric acids.
Neutralizing gastric acids is the mechanism of action for antacids, such as aluminum hydroxide or calcium carbonate. Sucralfate works differently; it forms a protective coating on the gastric lining rather than directly neutralizing acids.
D. Coat the gastric lining.
This is the correct mechanism of action for sucralfate. It forms a protective coating on the gastric lining, adhering to the ulcer site and providing a barrier against gastric acid.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Call the health care provider immediately to change the medication to oral.
Changing the medication to oral may not address the immediate issue of the burning sensation and feeling of heat at the IV site. This option focuses on changing the route of administration rather than addressing the current discomfort.
B. Continue the infusion and reassure the patient.
Continuing the infusion without addressing the patient's discomfort could lead to potential complications, and it is important to prioritize patient comfort and safety. Reassurance alone may not be sufficient if there is an issue with the IV site.
C. Flush the line with 10 mL of normal saline and continue the infusion.
While flushing the line with normal saline is a good practice to ensure patency, it may not resolve the issue if there is ongoing irritation or infiltration at the site. Continuing the infusion without addressing the patient's complaint might lead to further discomfort.
D. Discontinue the IV and restart the IV infusion in a different site.
This is the best action. Discontinuing the IV allows the nurse to assess the current site for signs of infiltration or irritation. Restarting the IV in a different site addresses the immediate issue, ensuring that the medication is delivered safely and effectively.
Correct Answer is ["2.5"]
Explanation
To calculate the amount of solution needed for each dose, we need to use the formula:
Amount of solution (mL) = Dose (mg) / Concentration (mg/mL)
Plugging in the given values, we get:
Amount of solution (mL) = 50 mg / 20 mg/mL
Simplifying, we get:
Amount of solution (mL) = 2.5 mL
Therefore, the nurse must administer 2.5 mL of the solution for each dose.
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