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A provider prescribes quetiapine 50 mg PO divided equally every 12 hours for 3 days. Available is quetiapine 25 mg tablets. How many tablets should the nurse administer per dose on day 3? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
Answer and Explanation

The Correct Answer is ["2"]

 

Step 1: Determine the total daily dose of quetiapine.

  • The provider prescribes 50 mg every 12 hours.
  • Total daily dose = 50 mg × 2 = 100 mg.

Step 2: Calculate the total dose for 3 days.

  • Total dose for 3 days = 100 mg × 3 = 300 mg.

Step 3: Determine the dose per administration.

  • The total daily dose is divided into two doses (every 12 hours).
  • Dose per administration = 100 mg ÷ 2 = 50 mg.

Step 4: Calculate the number of tablets needed per dose.

  • Each tablet is 25 mg.
  • Number of tablets per dose = 50 mg ÷ 25 mg = 2 tablets.

Step 5: Confirm the number of tablets to be administered per dose on day 3.

  • The dose per administration remains the same each day.
  • Therefore, the nurse should administer 2 tablets per dose on day 3.

So, the nurse should administer 2 tablets per dose on day 3.

 


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Related Questions

Correct Answer is C

Explanation

Choice A Reason: This is incorrect because gastrointestinal bleeding is not an adverse effect of hydralazine, which is a vasodilator that lowers blood pressure by relaxing the smooth muscles of the blood vessels. Gastrointestinal bleeding can be caused by other conditions such as ulcers, gastritis, or hemorrhoids.

Choice B Reason: This is incorrect because sweating is not an adverse effect of hydralazine, but a normal response to vasodilation and heat loss. Sweating can also be caused by other factors such as fever, anxiety, or exercise.

Choice C Reason: This is correct because tachycardia is an adverse effect of hydralazine, which can occur as a reflex response to vasodilation and hypotension. Tachycardia can increase the cardiac workload and oxygen demand, which can be harmful for pregnant women with preeclampsia who already have impaired placental perfusion and fetal hypoxia.

Choice D Reason: This is incorrect because blurred vision is not an adverse effect of hydralazine, but a symptom of severe preeclampsia that indicates cerebral edema or ischemia. Blurred vision can also be caused by other conditions such as diabetes, glaucoma, or cataracts.

Correct Answer is ["31"]

Explanation

The correct answer is 31 gtts/min. To calculate the infusion rate, the nurse should use the following formula:

Infusion rate (gtts/min) = Volume (mL) x Drop factor (gtts/mL) / Time (min)

Plugging in the given values, we get:

Infusion rate (gtts/min) = 1000 mL x 15 gtts/mL / 480 min

Infusion rate (gtts/min) = 31.25 gtts/min

Rounding to the nearest whole number, we get 31 gtts/min.

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