the nurse is reviewing the lab results of a patient taking lithium for schizoaffective disorder the lab results show that the blood lithium value is 1
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NCLEX-RN

NCLEX RN Exam Review Answers

1. The nurse is reviewing the lab results of a patient taking lithium for schizoaffective disorder. The lab results show that the blood lithium value is 1.7 mcg/L. What would the nurse take as the priority action?

Correct answer: B

Rationale: The correct answer is to hold the next dose of Lithium. The blood lithium value of 1.7 mcg/L exceeds the therapeutic range of 0.5-1.5 mcg/L, indicating potential toxicity. Holding the next dose is crucial to prevent further accumulation of lithium in the bloodstream. Inducing vomiting is not appropriate in this situation as the priority is to prevent further absorption of lithium. Administering an antiemetic is not the priority in lithium toxicity. Giving the next dose of lithium would exacerbate the toxicity and should be avoided.

2. An 80-year-old patient is admitted with dyspnea, dependent edema, rales, and distended neck veins. As the nurse monitors the patient, he becomes increasingly short of breath and begins to have cardiac dysrhythmias. The most critical intervention for this patient is to:

Correct answer: A

Rationale: In a patient presenting with dyspnea, dependent edema, rales, distended neck veins, and developing cardiac dysrhythmias, the priority intervention is to ensure the airway is open and unobstructed. Maintaining an open airway is crucial for adequate ventilation and oxygenation, especially in a patient showing signs of impending respiratory distress and cardiac compromise. While applying oxygen to maintain oxygen saturation is important, ensuring airway patency takes precedence as it directly impacts the patient's ability to breathe. Administering Dobutamine may be necessary to improve cardiac output; however, addressing the airway first is essential to prevent further respiratory distress and worsening dysrhythmias. Starting an IV for monitoring fluid intake is not the most critical intervention in this scenario compared to ensuring airway patency and oxygenation.

3. What is the most frequent cause for suicide in adolescents?

Correct answer: D

Rationale: Feelings of alienation or isolation are the most frequent cause for suicide in adolescents. Adolescents may experience a gradual isolation leading to a loss of meaningful social contacts, which can be self-imposed or result from an inability to express feelings. During this developmental stage, achieving a sense of identity and peer acceptance is crucial. Choices A, B, and C are incorrect: Progressive failure to adapt, feelings of anger or hostility, and reunion wish or fantasy are not typically identified as the primary cause of suicide in adolescents.

4. While receiving normal saline infusions to treat a GI bleed, the nurse notes that the patient's lower legs have become edematous and auscultates crackles in the lungs. What should the nurse do first?

Correct answer: A

Rationale: The correct answer is to stop the saline infusion immediately. The patient is showing signs of fluid volume overload due to rapid fluid replacement, indicated by lower leg edema and lung crackles. Continuing the infusion could worsen the overload and potentially lead to complications. Notifying the physician is important but should come after stopping the infusion to address the immediate issue. Elevating the patient's legs may help with edema but is not the priority in this situation. Continuing the infusion when the patient is already showing signs of fluid overload is contraindicated and can be harmful.

5. A 24-year-old female is admitted to the ER for confusion. This patient has a history of a myeloma diagnosis, constipation, intense abdominal pain, and polyuria. Based on the presenting signs and symptoms, which of the following would you most likely suspect?

Correct answer: B

Rationale: The correct answer is Hypercalcemia. In this case, the patient's history of myeloma, constipation, intense abdominal pain, and polyuria suggests hypercalcemia. Elevated calcium levels can lead to polyuria, severe abdominal pain, and confusion. Diverticulosis (Choice A), characterized by small pouches in the colon wall, typically does not present with confusion and polyuria. Hypocalcemia (Choice C) is unlikely given the symptoms described. Irritable bowel syndrome (Choice D) does not typically cause confusion and polyuria as seen in hypercalcemia.

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