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The nurse is caring for a client with a history of myocardial infarction who is experiencing chest pain. Which intervention should the nurse implement first?
- A. Administer oxygen therapy as prescribed.
- B. Obtain an electrocardiogram (ECG).
- C. Administer nitroglycerin sublingually as prescribed.
- D. Administer aspirin as prescribed.
Correct Answer: A
Rationale: Administering oxygen therapy is the priority intervention in managing chest pain in a client with a history of myocardial infarction. Oxygen helps improve oxygenation to the heart muscle, which is crucial in reducing further damage. Obtaining an electrocardiogram (ECG) is important to assess for changes indicative of myocardial infarction, but providing oxygen takes precedence as it directly addresses the physiological need for oxygen. Administering nitroglycerin and aspirin are important interventions but are typically implemented after oxygen therapy to address vasodilation and antiplatelet effects, respectively.
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A client with a history of coronary artery disease (CAD) is admitted with chest pain. Which diagnostic test should the nurse anticipate preparing the client for first?
- A. Electrocardiogram (ECG)
- B. Chest X-ray
- C. Arterial blood gases (ABGs)
- D. Echocardiogram
Correct Answer: A
Rationale: The correct answer is A: Electrocardiogram (ECG). An electrocardiogram should be performed first to assess for cardiac ischemia in a client with a history of CAD and chest pain. An ECG provides immediate information about the heart's electrical activity, helping to identify signs of ischemia or a heart attack. While other diagnostic tests like chest X-ray, arterial blood gases, and echocardiogram may also be necessary in the evaluation of chest pain, they do not provide the initial direct assessment of cardiac ischemia that an ECG does.
A client with chronic kidney disease (CKD) is receiving erythropoietin therapy. Which laboratory value should the nurse monitor closely?
- A. Serum potassium
- B. Hemoglobin
- C. White blood cell count
- D. Serum creatinine
Correct Answer: A
Rationale: The correct answer is A: Serum potassium. When a client with chronic kidney disease is receiving erythropoietin therapy, monitoring serum potassium closely is essential. Erythropoietin therapy can lead to increased red blood cell production, which may cause potassium levels to rise, potentially resulting in hyperkalemia. Monitoring potassium levels helps prevent complications associated with hyperkalemia. Choices B, C, and D are incorrect because they are not directly impacted by erythropoietin therapy in the context of CKD.
A client with hypertension receives a prescription for enalapril, an angiotensin-converting enzyme (ACE) inhibitor. Which instruction should the nurse include in the medication teaching plan?
- A. Increase intake of potassium-rich foods.
- B. Report increased bruising or bleeding.
- C. Stop medication if a cough develops.
- D. Limit intake of leafy green vegetables.
Correct Answer: B
Rationale: The correct instruction for the nurse to include in the medication teaching plan is to 'Report increased bruising or bleeding.' ACE inhibitors can cause thrombocytopenia, which lowers platelet count and increases the risk of bruising and bleeding. Choice A is incorrect because while ACE inhibitors may cause potassium levels to increase, the instruction should not be to increase intake of potassium-rich foods without healthcare provider guidance. Choice C is incorrect because a cough is a common side effect of ACE inhibitors due to bradykinin accumulation, and stopping the medication abruptly is not recommended without consulting the healthcare provider. Choice D is incorrect because there is no need to limit intake of leafy green vegetables specifically with ACE inhibitors; however, consistent intake of vitamin K-rich foods is recommended to maintain a stable INR for clients taking anticoagulants.
The nurse is assessing a client with chronic obstructive pulmonary disease (COPD) who is receiving supplemental oxygen. Which assessment finding requires immediate intervention?
- A. Use of accessory muscles
- B. Oxygen saturation of 90%
- C. Respiratory rate of 24 breaths per minute
- D. Blood pressure of 110/70 mmHg
Correct Answer: A
Rationale: The correct answer is A: Use of accessory muscles. This finding indicates increased work of breathing in a client with COPD and may signal respiratory failure, requiring immediate intervention. In COPD, the use of accessory muscles suggests that the client is in distress and struggling to breathe effectively. Oxygen saturation of 90% is within an acceptable range for a client with COPD receiving supplemental oxygen and does not require immediate intervention. A respiratory rate of 24 breaths per minute is slightly elevated but not a critical finding. A blood pressure of 110/70 mmHg is within the normal range for an adult and does not indicate a need for immediate intervention in this scenario.
The nurse is caring for a client with chronic heart failure who is receiving furosemide (Lasix). Which laboratory value requires immediate intervention?
- A. Serum potassium of 3.0 mEq/L
- B. Serum sodium of 135 mEq/L
- C. Serum creatinine of 1.8 mg/dL
- D. Blood glucose of 200 mg/dL
Correct Answer: A
Rationale: A serum potassium level of 3.0 mEq/L is most concerning in a client receiving furosemide as it indicates hypokalemia, which requires immediate intervention. Hypokalemia can lead to serious cardiac arrhythmias, which can be life-threatening. Serum sodium of 135 mEq/L and serum creatinine of 1.8 mg/dL are within normal ranges and do not require immediate intervention in this case. Blood glucose of 200 mg/dL is elevated but does not pose an immediate threat to the client's life in the context of heart failure and furosemide therapy.