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.)
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Pyridoxine with a B complex multivitamin is not typically associated with ototoxicity (ringing
in the ears)7.
Choice B rationale
Rifampin is an antitubercular medication, but it is not commonly associated with ototoxicity.
Choice C rationale
Gentamicin is an antibiotic that is known to potentially cause ototoxicity, including ringing in
the ears. Therefore, if a patient who has been receiving gentamicin reports ringing in the ears,
this should be reported to the healthcare provider.
Choice D rationale
Isoniazid is an antitubercular medication, but it is not commonly associated with ototoxicity.
Correct Answer is A
Explanation
Choice A rationale
If a patient’s pain level remains high despite receiving regular doses of fentanyl, it may indicate
that the current dose is insufficient. The PN should report this to the healthcare provider, who
may decide to increase the dose.
Choice B rationale
While it’s important to continue monitoring the patient and assessing the pain level, this alone
may not be sufficient if the patient’s pain remains uncontrolled.
Choice C rationale
Non-pharmacological methods of pain control can be beneficial, but they are typically used in
conjunction with medication, not as a replacement for it when the pain level is high.
Choice D rationale
Informing the patient about the potential addictiveness of the medication is important, but it’s
not the most appropriate action to take in response to uncontrolled pain.
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