A client is prescribed ondansetron for nausea. When reviewing the client's medical history, which finding would concern the nurse?
Cerebral Vascular Accident
Depression
Glaucoma
Congestive Heart Failure
The Correct Answer is C
A) Cerebral Vascular Accident (CVA): While a history of a CVA (stroke) is important to consider when prescribing medications, ondansetron is not contraindicated for clients with a history of CVA. The nurse would need to assess the client’s overall neurological status and risk factors but this condition is not an immediate concern for ondansetron use.
B) Depression: Ondansetron is not typically contraindicated in patients with depression. However, the nurse should be mindful of the potential for interactions with other medications the client may be taking for depression, but there is no direct contraindication between ondansetron and depression itself.
C) Glaucoma: This is the most concerning finding. Ondansetron can increase the risk of complications in clients with glaucoma, particularly narrow-angle glaucoma. Ondansetron has some serotonin receptor-blocking properties that can cause dilation of the pupil, which could increase intraocular pressure in clients with glaucoma. Therefore, this condition would require careful monitoring, and the nurse would need to consult with the healthcare provider before administering ondansetron to a client with glaucoma.
D) Congestive Heart Failure (CHF): While patients with CHF need to be monitored for fluid balance, ondansetron is not contraindicated in clients with CHF. The primary concern in these patients would be potential fluid retention or electrolyte imbalances, but this is generally not a direct concern for the administration of ondansetron itself.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["4"]
Explanation
Identify the desired dose: The doctor has ordered 40 mg of atorvastatin.
Identify the available tablet strength: Each tablet contains 10 mg of atorvastatin.
Set up the calculation: We need to find out how many tablets are needed to administer 40 mg of the medication.
We can use the following formula:
(Desired dose) / (Tablet strength) = Number of tablets
Plug in the values and calculate:
(40 mg) / (10 mg/tablet) = 4 tablets
Correct Answer is B
Explanation
Here's the process for calculating the drug concentration after multiple half-lives:
First half-life: After 1 half-life, 50% of the original dose remains in the body.
200 mg x 0.50 = 100 mg remains after 1 half-life.
Second half-life: After 2 half-lives, 50% of the remaining drug will be eliminated.
100 mg x 0.50 = 50 mg remains after 2 half-lives.
Third half-life: After 3 half-lives, 50% of the remaining drug will be eliminated again.
50 mg x 0.50 = 25 mg remains after 3 half-lives.
Fourth half-life: After 4 half-lives, 50% of the remaining drug will be eliminated once more.
25 mg x 0.50 = 12.5 mg remains after 4 half-lives.
Now, we need to sum up the amount of drug remaining in the body at each half-life:
After 4 half-lives, there are 12.5 mg left from the original dose.
Total drug in the body after 4 half-lives = 200 mg - 12.5 mg = 375 mg.
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