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A nurse is preparing to administer medications to four clients. The nurse should administer medications to which of the following clients first?

A client who is post-coronary artery bypass graft (CABG), has total cholesterol of 318 mg/dL, and is prescribed atorvastatin

A client who has pneumonia, a WBC count of 11,500/mm³, and is prescribed piperacillin

A client who has renal failure, a serum potassium of 5.8 mEq/L, and is prescribed sodium polystyrene sulfonate

A client who has anemia, hemoglobin of 11 g/dL, and is prescribed epoetin alfa

Answer and Explanation

The Correct Answer is C

Choice A Reason: This is incorrect because a client who is post-CABG and has high cholesterol is not in immediate danger, as atorvastatin is a long-term medication that lowers cholesterol and prevents cardiovascular complications.

Choice B Reason: This is incorrect because a client who has pneumonia and a slightly elevated WBC count is not in immediate danger, as piperacillin is an antibiotic that treats bacterial infections.

Choice C Reason: This is correct because a client who has renal failure and a high serum potassium level is in immediate danger, as sodium polystyrene sulfonate is an emergency medication that lowers potassium and prevents cardiac arrhythmias.

Choice D Reason: This is incorrect because a client who has anemia and a mild hemoglobin deficiency is not in immediate danger, as epoetin alfa is a long-term medication that stimulates red blood cell production and improves oxygen delivery.

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Correct Answer is B

Explanation

Choice A Reason: This is incorrect because preparing for mechanical ventilation is not the priority nursing intervention, as it is an invasive and potentially harmful procedure that should be reserved for clients who have severe respiratory failure and cannot maintain adequate oxygenation with noninvasive methods.

Choice B Reason: This is correct because administering oxygen via face mask is the priority nursing intervention, as it is a noninvasive and eﬀective way to improve oxygenation and reduce hypoxemia in a client who has low PaO2 and SaO2. Oxygen therapy can also decrease the workload of the heart and lungs and prevent further complications.

Choice C Reason: This is incorrect because preparing to administer a sedative is not the priority nursing intervention, as it may worsen the client's respiratory status and mask the signs and symptoms of hypoxemia. Sedatives should be used with caution and only after oxygenation has been optimized.

Choice D Reason: This is incorrect because assessing for indications of pulmonary embolism is not the priority nursing intervention, as it is a diagnostic rather than a therapeutic action. Pulmonary embolism is a possible cause of the client's condition, but it does not address the immediate problem of hypoxemia.

A. 54 percent B. 36 percent C. 18 percent D. 9 percent

Correct Answer is A

Explanation

Choice A Reason: To calculate the total body surface area (TBSA) affected by burns using the Rule of Nines, the body is divided into sections, each representing a percentage of TBSA:

Front of one leg = 9%
Back of one leg = 9%
Front of one arm = 4.5%
Back of one arm = 4.5%

Now for the calculation:

Both legs (front and back):
- Front of both legs = 9% × 2 = 18%
- Back of both legs = 9% × 2 = 18%
- Total for both legs = 18% + 18% = 36%
Both arms (front and back):
- Front of both arms = 4.5% × 2 = 9%
- Back of both arms = 4.5% × 2 = 9%
- Total for both arms = 9% + 9% = 18%
Total TBSA:
- Legs (36%) + Arms (18%) = 54%

The nurse should document burns to 54% of the client's total body surface area (TBSA).

Choice B Reason:This choice is incorrect because it uses the original rule of nines for adults, not children. It also does not account for the depth and degree of the burns.

Choice C Reason: This choice is incorrect because it uses the original rule of nines for adults, not children. It also does not account for the depth and degree of the burns.

Choice D Reason: This choice is incorrect because it uses a random percentage that does not correspond to any rule or calculation.

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A nurse is preparing to administer medications to four clients. The nurse should administer medications to which of the following clients first?

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Naxlex Comprehensive Predictor Exams

Correct Answer is B

Explanation

A nurse in an emergency department is caring for an adult client who has burns on the front and back of both his legs and arms. Using the rule of nines, the nurse should document burns to which percentage of the client's total body surface area (TBSA)?

Correct Answer is A

Explanation

A nurse is preparing to administer 40 mEq of potassium chloride in 45% sodium chloride (NaCl) 500 mL IV to infuse 10 mEq/hr. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is caring for a client whose arterial blood gas results show a pH of 7.3 and a PaCO2 of 50 mm Hg. The nurse should identify that the client is experiencing which of the following acid-base imbalances?

A nurse is caring for a client who has just developed a pulmonary embolism. Which of the following medications should the nurse anticipate administering?

A nurse in the ICU is caring for a client who has heart failure and is receiving a dobutamine drip. The nurse should identify that which of the following findings indicates that the medication is eﬀective?

A nurse is monitoring a client who was admited with a severe burn injury and is receiving IV ﬂuid resuscitation therapy. The nurse should identify a decrease in which of the following findings as an indication of adequate ﬂuid replacement?

A nurse in an emergency department is preparing to care for a client who is being brought in with multiple system trauma following a motor vehicle crash. Which of the following should the nurse identify as the priority focus of care?

A nurse in the emergency department is caring for a client who has sustained a head injury. The nurse notes the client's IV ﬂuids are infusing at 125 mL/hr. Which of the following is an appropriate action by the nurse?

A nurse is assessing a client in the oliguric phase of acute kidney injury. Which of the following findings should the nurse expect?