NCLEX-PN
NCLEX-PN Quizlet 2023
1. Which of the following is the drug of choice to decrease uric acid levels?
- A. prednisone (Colisone)
- B. allopurinol (Zyloprim)
- C. indomethacin (Indocin)
- D. hydrochlorothiazide (HydroDiuril)
Correct answer: B
Rationale: Allopurinol is the correct drug to decrease uric acid levels as it is used to treat gout by reducing uric acid formation. Prednisone is a corticosteroid that decreases inflammation, not uric acid levels. Indomethacin is an analgesic, anti-inflammatory, and antipyretic agent, not specifically used to reduce uric acid levels. Hydrochlorothiazide is a thiazide diuretic primarily used for treating hypertension and edema, not for reducing uric acid levels.
2. What do the following ABG values indicate: pH 7.38, PO2 78 mmHg, PCO2 36mmHg, and HCO3 24 mEq/L?
- A. metabolic alkalosis
- B. homeostasis
- C. respiratory acidosis
- D. respiratory alkalosis
Correct answer: B
Rationale: The correct answer is 'homeostasis.' These ABG values fall within normal ranges, indicating a state of balance in the body's acid-base levels. Choices A, C, and D are incorrect as the ABG values provided do not point towards metabolic alkalosis, respiratory acidosis, or respiratory alkalosis. Instead, the values reflect a state of equilibrium where pH, PO2, PCO2, and HCO3 levels are within the normal range.
3. When administering intravenous electrolyte solution, what precaution should the nurse take?
- A. Infuse hypertonic solutions cautiously.
- B. Mix no more than 60 mEq of potassium per liter of fluid.
- C. Prevent infiltration of calcium, which causes tissue necrosis and sloughing.
- D. Monitor the client's digitalis dosage for adjustments due to IV calcium.
Correct answer: C
Rationale: When administering intravenous electrolyte solutions, preventing the infiltration of calcium is crucial to avoid tissue necrosis and sloughing, making choice C the correct answer. Choice A is revised to 'Infuse hypertonic solutions cautiously' because hypertonic solutions should be infused cautiously to prevent adverse effects. Choice B is corrected to 'Mix no more than 60 mEq of potassium per liter of fluid' as exceeding this limit can lead to hyperkalemia. Choice D is modified to 'Monitor the client's digitalis dosage for adjustments due to IV calcium' as it is essential to monitor the digitalis dosage for potential adjustments when IV calcium is administered; however, this choice is incorrect here as it inaccurately suggests adjusting the digitalis dosage due to IV calcium, which could lead to harmful effects.
4. One drug can alter the absorption of another drug. One drug increases intestinal motility. Which effect does this have on the second drug?
- A. None; absorption of the second drug is not affected.
- B. The increased gut motility decreases the absorption of the second drug.
- C. The absorption of the second drug cannot be predicted.
- D. Less of the second drug is absorbed.
Correct answer: D
Rationale: When one drug increases intestinal motility, it accelerates the movement of the second drug through the system. Since most oral medications are absorbed in the intestine, the faster transit time decreases the absorption of the second drug. Therefore, less of the second drug is absorbed. Choice A is incorrect because the increased gut motility does affect the absorption of the second drug. Choice C is incorrect as the effect of increased intestinal motility on drug absorption can be predicted based on pharmacokinetic principles. Choice B is incorrect as increased gut motility would not increase but decrease the absorption of the second drug.
5. When planning care for a client taking Heparin, which nursing diagnosis should the nurse address first?
- A. Ineffective tissue perfusion related to the presence of a thrombus obstructing blood flow
- B. Risk for injury related to active loss of blood from the vascular space
- C. Deficient knowledge related to the client's lack of understanding of the disease process
- D. Impaired skin integrity related to the development of bruises and/or hematoma
Correct answer: B
Rationale: The correct answer is 'Risk for injury related to active loss of blood from the vascular space.' When a client is taking Heparin, the primary concern is the risk of bleeding due to its anticoagulant properties. Monitoring for signs of active blood loss is crucial to prevent complications like hemorrhage. While ineffective tissue perfusion, deficient knowledge, and impaired skin integrity are important, they are secondary to the immediate risk of bleeding in clients taking anticoagulants like Heparin.
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