The nurse teaches a student nurse about diagnostic studies used for acute coronary syndrome. Which statement made by the student nurse indicates effective learning?
"A nitroprusside stress echocardiogram is used for patients with acute pericarditis."
"A pathologic Q wave is always present in the electrocardiogram (ECG) of patients with unstable angina."
"Serum cardiac markers are proteins that are released from necrotic heart muscle."
"Coronary angiography is the only way to confirm the diagnosis of unstable angina."
The Correct Answer is C
This statement indicates effective learning because serum cardiac markers are indeed proteins that are released from necrotic (damaged) heart muscle cells when there is myocardial injury, such as in acute coronary syndrome (ACS). These markers are measured in blood tests and help in the diagnosis and assessment of ACS, particularly myocardial infarction (heart attack).
Option A is incorrect because a nitroprusside stress echocardiogram is not used for acute pericarditis. It is a diagnostic test used for evaluating coronary artery disease and ischemia.
Option B is incorrect because a pathologic Q wave is not always present in the electrocardiogram (ECG) of patients with unstable angina. It is a characteristic finding in the ECG of patients with a previous myocardial infarction (heart attack) but may not be present in unstable angina.
Option D is incorrect because coronary angiography is not the only way to confirm the diagnosis of unstable angina. Unstable angina is primarily diagnosed based on the clinical presentation, symptoms, and changes in the ECG. Coronary angiography is an invasive procedure used to visualize the coronary arteries directly and is typically reserved for cases where further assessment and intervention are needed, such as in cases of suspected coronary artery disease.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
In a patient with acute decompensated heart failure (ADHF), the priority nursing assessment is to auscultate lung sounds. ADHF is characterized by the sudden worsening of heart failure symptoms, which may include pulmonary congestion and fluid accumulation in the lungs. Assessing lung sounds helps to identify signs of pulmonary edema, which is a serious complication of ADHF.
The nurse should listen for crackles or rales, which are abnormal lung sounds caused by the presence of fluid in the alveoli. These findings suggest that the patient is experiencing fluid overload and inadequate gas exchange in the lungs. Prompt recognition of pulmonary edema allows for early intervention, such as administering diuretics or other medications, to relieve fluid overload and improve respiratory function.
While the other options (B) Facial swelling, (C) Level of anxiety, and (D) Intake and output, are important assessments in a patient with heart failure, they are not the priority in a patient with manifestations of acute decompensated heart failure. The priority is to assess for signs of respiratory
distress and pulmonary congestion, as these can quickly lead to respiratory failure and life threatening complications.
Correct Answer is A
Explanation
Cloudy peritoneal effluent may indicate infection or peritonitis, which is a severe complication of peritoneal dialysis. Peritonitis can be life-threatening and requires immediate medical attention. The nurse should report this finding promptly to the health care provider for further evaluation and intervention.
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