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 B
Explanation
Choice A rationale
While aged cheeses can interact with certain medications, they are not known to interact with tricyclic antidepressants or to have a significant impact on sleep patterns.
Choice B rationale
The timing of medication administration can significantly impact sleep patterns. If the patient is taking their medication upon rising, it could potentially be interfering with their sleep.
Choice C rationale
Dry mouth is a common side effect of tricyclic antidepressants. However, it is not typically associated with early morning awakening or difficulty returning to sleep.
Choice D rationale
Soaking in a warm bath at night can actually help promote sleep by raising the body’s core temperature and then allowing it to drop, which can trigger feelings of sleepiness.
Correct Answer is B
Explanation
Choice A rationale
Hand tremors are not a common side effect of drospirenone.
Choice B rationale
Heart palpitations are a serious side effect of drospirenone and should be reported to the healthcare provider immediately.
Choice C rationale
Decreased reflexes are not a common side effect of drospirenone.
Choice D rationale
Loss of energy is not a common side effect of drospirenone.
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