following mitral valve replacement surgery a client develops pvcs the health care provider orders a bolus of lidocaine followed by a continuous lidoc
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Nursing Elites

NCLEX-RN

NCLEX RN Practice Questions Exam Cram

1. Following mitral valve replacement surgery, a client develops PVCs. The healthcare provider orders a bolus of Lidocaine followed by a continuous Lidocaine infusion at a rate of 2 mg/minute. The IV solution contains 2 grams of Lidocaine in 500 mL of D5W. The infusion pump delivers 60 microdrops/mL. What rate would deliver 4 mg of Lidocaine per minute?

Correct answer: A

Rationale: To calculate the rate needed to deliver 4 mg/minute of Lidocaine, first, convert 2 grams to milligrams: 2 grams = 2000 mg. Then, set up a ratio between the total amount of Lidocaine (2000 mg) and the total volume of IV solution (500 mL): 2000 mg / 500 mL = 4 mg / x mL. Solving for x, x = 1 mL. Since the infusion pump delivers 60 microdrops per mL, multiplying by 60 microdrops/mL gives the correct rate of 60 microdrops/minute. This rate ensures the desired 4 mg of Lidocaine is delivered per minute. Choices B, C, and D are incorrect as they do not align with the accurate calculation based on the provided information.

2. One hour after a thoracotomy, a patient complains of incisional pain at a level 7 (based on a 0 to 10 scale) and has decreased left-sided breath sounds. The pleural drainage system has 100 mL of bloody drainage and a large air leak. Which action is best for the nurse to take next?

Correct answer: S

Rationale: In this scenario, the best action is to set up the patient-controlled analgesia (PCA) and administer the loading dose of morphine. The patient's pain level is high, which can hinder deep breathing and coughing. Addressing pain control is a priority to facilitate optimal respiratory function. Milking the chest tube to remove clots is unnecessary as the drainage amount is not alarming in the early postoperative period. Clamping the chest tube to locate the air leak is not recommended as it can lead to tension pneumothorax. Assisting the patient to deep breathe, cough, and use the incentive spirometer is important but should follow adequate pain management to ensure the patient can effectively participate in these activities.

3. A patient is suspected to have sustained a spinal cord injury. What best describes the overarching principles used to guide the care for this type of condition?

Correct answer: D

Rationale: The correct answer is to facilitate tissue perfusion to the spinal cord while maintaining airway and breathing. In the acute phase of a spinal cord injury, ensuring proper tissue perfusion to the spinal cord is crucial to prevent further damage. Maintaining airway, breathing, and circulation is essential in guiding the overall care for a patient with a spinal cord injury. Choices A, B, and C, while important in certain aspects of care, are not the overarching principles that guide the immediate management of a suspected spinal cord injury.

4. A 33-year-old male client with heart failure has been taking furosemide for the past week. Which of the following assessment cues below may indicate the client is experiencing a negative side effect from the medication?

Correct answer: D

Rationale: The correct answer is 'Decreased appetite.' Furosemide is a loop diuretic used for conditions like heart failure, where it helps reduce fluid retention. One common side effect of furosemide is hypokalemia, which can lead to decreased appetite among other symptoms. Hypokalemia is a low level of potassium in the blood, and its signs and symptoms include anorexia, fatigue, nausea, decreased GI motility, muscle weakness, dysrhythmias, reduced urine osmolality, and altered level of consciousness. Weight gain and ankle edema are actually expected outcomes of furosemide therapy due to its diuretic effect, which helps reduce edema and fluid overload. Gastric irritability is a nonspecific symptom that is not typically associated with furosemide use. Therefore, a decreased appetite is a key indicator of a potential negative side effect when assessing a client on furosemide therapy.

5. What nursing intervention demonstrates that the nurse understands the priority nursing diagnosis when caring for oral cancer patients with extensive tumor involvement and/or a high amount of secretions?

Correct answer: D

Rationale: The correct answer is to suction as needed and elevate the head of the bed. This intervention is crucial for managing Ineffective Airway Clearance, which is the priority nursing diagnosis in oral cancer patients with extensive tumor involvement and/or a high amount of secretions. Suctioning helps clear secretions that may obstruct the airway, while elevating the head of the bed promotes optimal respiratory function. Providing oral care every 2 hours may be important for overall oral health but is not directly related to addressing the priority diagnosis. Listening for bowel sounds every 4 hours is more relevant to gastrointestinal assessment and not specific to managing airway clearance issues in oral cancer patients.

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