The nurse is caring for a client who has signs and symptoms of heart failure. Which of the following diagnostic tests is appropriate to assess the patient’s heart failure?
International normalized ratio (INR)
Brain natriuric peptide (BNP)
Troponin
Creatinine
The Correct Answer is B
A. International normalized ratio (INR):
INR is a test used to monitor the effectiveness of anticoagulant therapy, particularly drugs like warfarin. It measures the time it takes for blood to clot. It's not directly related to assessing heart failure but is more associated with monitoring anticoagulation status.
B. Brain natriuretic peptide (BNP):
BNP is a peptide released by the heart in response to increased pressure and volume in the heart, often seen in heart failure. Elevated BNP levels can indicate the presence of heart failure. It's a useful diagnostic marker for heart failure.
C. Troponin:
Troponin is a protein released into the blood when there is damage to the heart muscle, usually during a heart attack. It is not specific to heart failure but is commonly used to diagnose myocardial infarction (heart attack).
D. Creatinine:
Creatinine is a waste product that comes from the normal wear and tear on muscles. While elevated creatinine levels can be seen in conditions affecting kidney function, it's not a direct marker for assessing heart failure. However, kidney function is often evaluated in conjunction with heart failure assessments.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. "The test will provide a detailed profile of the heart’s electrical activity."
This statement is inappropriate because transesophageal echocardiography (TEE) primarily provides detailed images of the heart's structure, such as the valves and chambers, rather than focusing on the heart's electrical activity. The assessment of electrical activity is typically associated with electrocardiography (ECG or EKG) rather than echocardiography.
B. "I will need to start an IV in your arm before the test."
This statement is appropriate. It is common for medical procedures, including TEE, to require an intravenous (IV) line for administration of medications or fluids during or after the procedure.
C. "Your throat may be a little sore after the exam."
This statement is appropriate. TEE involves inserting a probe through the esophagus, and it is common for patients to experience a sore throat afterward due to the presence of the probe.
D. "You will need to refrain from eating and drinking 6-8 hours before this test."
This statement is appropriate. It is standard practice to ask patients to fast for a specific period before TEE to minimize the risk of complications, such as aspiration, during the procedure.
Correct Answer is ["B","C","D","E"]
Explanation
A. Administer antibiotics
Administering antibiotics is not a direct intervention for preventing atelectasis. Antibiotics are typically prescribed to treat bacterial infections, and atelectasis is more related to lung collapse or incomplete lung expansion.
B. Encourage increased oral fluid intake
Adequate hydration is important for maintaining the moisture of respiratory secretions. This helps prevent mucus from becoming thick and sticky, making it easier for the patient to cough and clear the airways.
C. Early mobilization after surgery
Early mobilization, including activities such as getting out of bed and walking, helps improve lung expansion. It promotes better ventilation and prevents areas of the lungs from collapsing, reducing the risk of atelectasis.
D. Frequent turning of the patient
Turning the patient regularly is crucial for preventing pooling of respiratory secretions in dependent areas of the lungs. By changing the patient's position, nurses can facilitate drainage and ventilation throughout the lungs, minimizing the risk of atelectasis.
E. Use of incentive spirometry
Incentive spirometry is a breathing exercise device that encourages the patient to take slow, deep breaths. This helps expand the lungs and prevents atelectasis by maintaining lung volume and promoting alveolar recruitment.
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