A client is prescribed 8mg of ondansetron IV to manage the side effects of chemotherapy, specifically nausea and vomiting. When is the optimal time for the nurse to administer this medication?
When the client feels nauseous or vomits
Immediately after the chemotherapy is complete
30 minutes prior to starting the chemotherapy
When the client requests the ondansetron
The Correct Answer is C
Choice A rationale
Administering ondansetron when the client feels nauseous or vomits is not the most effective use of the medication. The goal is to prevent nausea and vomiting from occurring in the first place.
Choice B rationale
Administering ondansetron immediately after chemotherapy is complete may not provide the most effective prevention of nausea and vomiting. The medication needs time to work and should ideally be administered before chemotherapy begins.
Choice C rationale
The optimal time to administer ondansetron is 30 minutes prior to starting chemotherapy. This allows the medication to start working before the chemotherapy drugs that cause nausea and vomiting are administered.
Choice D rationale
While it’s important to respond to a client’s requests, waiting until the client requests the ondansetron may not prevent the onset of nausea and vomiting. It’s more effective to administer the medication proactively.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
This choice is correct. Calcium carbonate, which is used to treat GERD, can lead to hypercalcemia, or high levels of calcium in the blood, if taken in excess or if the client has impaired kidney function. Hypercalcemia can cause various symptoms, including nausea, vomiting, constipation, and abdominal pain. It can also affect the nervous system, leading to confusion, lethargy, and fatigue. In severe cases, it can cause cardiac arrhythmias.
Choice B rationale
Metabolic alkalosis is a condition characterized by a high level of bicarbonate in the blood, leading to an increase in blood pH. While antacids like calcium carbonate can potentially cause metabolic alkalosis if taken in large amounts, it is less likely to occur in patients taking the medication for GERD, as the medication is used to neutralize stomach acid. Therefore, while it’s a potential risk, it’s less likely than hypercalcemia.
Choice C rationale
Hepatotoxicity, or liver damage, is not typically associated with the use of calcium carbonate. This medication does not have a direct effect on the liver, so it’s unlikely to cause hepatotoxicity unless the client has an underlying liver condition or is taking other medications that can cause liver damage.
Choice D rationale
Hyperphosphatemia, or high levels of phosphate in the blood, is not typically a risk associated with the use of calcium carbonate. In fact, calcium carbonate can bind to phosphate in the gut and reduce phosphate absorption, which can help manage high phosphate levels in certain conditions. Therefore, this choice is not the most likely risk for the client.
Correct Answer is B
Explanation
Choice A rationale
T3 and T4 are thyroid hormones. While it’s important to monitor these levels in a patient on propylthiouracil therapy, they are not the most concerning lab value.
Choice B rationale
The white blood cell count should be the nurse’s primary concern. Propylthiouracil can cause agranulocytosis, a serious condition characterized by a decrease in the number of white blood cells, which can lead to infection.
Choice C rationale
Hemoglobin and hematocrit levels are important to monitor, but they are not the most concerning lab value in this context.
Choice D rationale
While it’s important to monitor platelet count in a patient on propylthiouracil therapy, it’s not the most concerning lab value.
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