A client is admitted to the emergency room with chest pain and a suspected diagnosis of acute myocardial infarction (MI). Which test would the nurse expect the physician to order to make a definitive diagnosis of MI?
Complete blood count (CBC).
Lipid profile.
Electrocardiogram (ECG).
Troponin levels.
The Correct Answer is D
Choice A rationale
A complete blood count (CBC) can provide general information about the body's response to an MI, such as white blood cell count, but it is not definitive for diagnosing an MI.
Choice B rationale
A lipid profile measures cholesterol levels and helps assess cardiovascular risk, but it is not useful for diagnosing an acute MI.
Choice C rationale
An electrocardiogram (ECG) is essential for diagnosing an MI as it shows the heart's electrical activity and can indicate ischemia or infarction.
Choice D rationale
Troponin levels are the most specific and sensitive markers for myocardial infarction. Elevated troponin levels confirm heart muscle damage due to an MI, making it the definitive test.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Abdominal pain and cramping are hallmark symptoms of Crohn's disease due to inflammation in the gastrointestinal tract.
Choice B rationale
Weight loss, rather than weight gain, is typically associated with Crohn's disease due to malabsorption and chronic inflammation.
Choice C rationale
Jaundice is not commonly associated with Crohn's disease; it is more related to liver or gallbladder issues.
Choice D rationale
Hypertension is not a common symptom of Crohn's disease. It is generally associated with other conditions such as cardiovascular disease.
Correct Answer is B
Explanation
Choice B rationale
Potassium levels should be reviewed before administering furosemide. Furosemide is a loop diuretic that can cause significant potassium loss through increased urine output. Monitoring potassium is crucial to prevent hypokalemia, which can lead to cardiac arrhythmias and other serious complications.
Choice A rationale
Bicarbonate levels are not directly impacted by furosemide use and are less critical to review in this context. While they are important in assessing acid-base balance, they are not the primary concern when administering furosemide.
Choice C rationale
Phosphate levels are not typically affected by furosemide and are not the main focus before administration. Monitoring phosphate might be important in other scenarios, but it is not directly relevant here.
Choice D rationale
Carbon dioxide levels are more relevant to respiratory function and acid-base balance but are not directly impacted by furosemide. The focus should be on monitoring electrolytes, particularly potassium, to prevent complications from diuretic therapy.
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