The healthcare provider changes a patient’s prescription of warfarin from 5.0 mg to 7.5 mg PO for thromboembolic unit.

The medication available on the unit is 2.5 mg per tablet and the patient already received two tablets.

How many additional tablets should the Practical Nurse (PN) administer to complete the newly prescribed dose? (Enter the numerical value only.

If rounding is required, round to the whole number.)

Answer and Explanation

The Correct Answer is ["1"]

Step 1 is: Calculate the total amount of warfarin required. The healthcare provider has prescribed 7.5 mg of warfarin.

Step 2 is: Subtract the amount of warfarin already administered. The patient has already received 2 tablets, each containing 2.5 mg of warfarin, for a total of 5 mg.

Step 3 is: Calculate the additional amount of warfarin required. The total amount required (7.5 mg) minus the amount already administered (5 mg) equals 2.5 mg.

Step 4 is: Determine the number of additional tablets required. Since each tablet contains 2.5 mg of warfarin, the patient should receive 1 additional tablet.

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Correct Answer is B

Explanation

Misoprostol is a medication used to prevent stomach ulcers in patients who take nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen over a long period. NSAIDs can cause stomach ulcers, and misoprostol works by reducing the amount of acid in the stomach and replacing the protective substances in the stomach that are reduced by NSAIDs. Therefore, relief of epigastric pain (pain in the upper middle part of the abdomen) would indicate that the medication is effective.

A. A review of the medication regimen is required due to the poor drug response. B. A dosage increase may be needed, which requires in-hospital evaluation. C. Therapy sessions may be needed to enhance the medication’s action on depression. D. Antidepressant medication can take 2 to 4 weeks to become effective.

Correct Answer is D

Explanation

The correct answer is D. Antidepressant medication can take 2 to 4 weeks to become effective. Choice A rationale While it’s important to review the medication regimen if a patient is not responding to treatment, it’s also crucial to understand that antidepressants like amitriptyline don’t typically show their full effects immediately. It’s common for these medications to take several weeks before their full therapeutic effect becomes apparent. Choice B rationale A dosage increase may be considered if the patient shows no improvement after a sufficient period, typically several weeks. However, since the patient has only been on the medication for five days, it’s too early to consider a dosage increase. Choice C rationale Therapy can indeed be beneficial in treating depression and can enhance the effect of medication. However, the statement that the medication isn’t working after five days is likely due to the fact that antidepressants usually take longer to start showing effects. Choice D rationale This is the correct answer. Antidepressants like amitriptyline often take 2 to 4 weeks to start showing their full effects. It’s important for patients to know this so they don’t get discouraged and stop taking the medication too soon.

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Naxlex Comprehensive Predictor Exams

A client with a history of long-term administration of ibuprofen receives a prescription for misoprostol. Which finding indicates to the practical nurse (PN) that the medication was effective?

Correct Answer is B

Explanation

Correct Answer is D

Explanation

A patient is receiving tetracycline for Chlamydia urethritis. What instruction should the practical nurse (PN) emphasize?

Four hours after administering promethazine to a male patient, the practical nurse (PN) takes his temperature. When the patient asks the PN about the reason for taking his temperature, how should the PN respond?

The practical nurse (PN) is caring for a client with deep vein thrombosis (DVT) who is receiving a prescription for rivaroxaban. Which assessment finding should the PN associate as an adverse effect of this medication and report immediately?

A client receives a prescription for drospirenone. Which symptom should the practical nurse (PN) report to the healthcare provider?

Which instruction should the PN emphasize about the dosing schedule?

The practical nurse (PN) is managing a patient who is receiving fentanyl subcutaneously (SubQ) every hour for pain control. The patient’s pain level remains at 8 on a 10-point scale. What is the most appropriate action for the PN to take?