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Order: 1000ml D5W at 120ml/hr. Available: Macro drop 15ml/hr. What is the drip factor in drops per minute?

30 gtt/min.

33 gtt/min.

31 gtt/min.

32 gtt/min.

Answer and Explanation

The Correct Answer is A

Step 1 is (120 mL ÷ 60 min) × 15 gtt/mL.

Step 2 is (2 mL/min) × 15 gtt/mL.

Step 3 is 30 gtt/min.

Final calculated answer is 30 gtt/min.

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Correct Answer is A

Explanation

Choice A rationale

True. Xanthine derivatives like theophylline can cause serious adverse effects, including brain damage, when blood levels become too high. It is critical to monitor theophylline levels to prevent toxicity and associated neurological complications.

Choice B rationale

False. If xanthine levels remain within therapeutic ranges, the risk of brain damage is minimized. However, this statement is incorrect as it does not acknowledge the potential severity of the adverse effects linked to elevated theophylline levels.

A. Platelet count. B. Activated thromboplastin time (APT). C. Red blood count (RBC). D. Prothrombin time (PT) and international normalized ratio (INR).

Correct Answer is D

Explanation

Choice A rationale

Platelet count measures the number of platelets in the blood, which are essential for blood clotting. However, it is not specific to monitoring the anticoagulant effects of warfarin.

Choice B rationale

Activated thromboplastin time (APT) measures the intrinsic pathway of coagulation and is typically used to monitor heparin therapy, not warfarin.

Choice C rationale

Red blood count (RBC) measures the number of red blood cells in the blood, which can indicate anemia but is unrelated to the anticoagulant effects of warfarin.

Choice D rationale

Prothrombin time (PT) and international normalized ratio (INR) are specific tests used to monitor the anticoagulant effects of warfarin. PT measures the time it takes for blood to clot, and INR standardizes this measurement to ensure consistency across different laboratories.

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Order: 1000ml D5W at 120ml/hr. Available: Macro drop 15ml/hr. What is the drip factor in drops per minute?

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Naxlex Comprehensive Predictor Exams

The adverse effects of xanthene are related to the theophylline levels in the blood and include brain damage.

Correct Answer is A

Explanation

The nurse evaluates the effects of warfarin by monitoring what lab test?

Correct Answer is D

Explanation

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In response to the patient's query about how to know whether drugs are safe, the nurse explains that all medications undergo rigorous scientific testing controlled by what organization?

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When taking a medication history on a patient, why should the nurse ask about complementary or alternative therapies?

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