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 C
Explanation
A. Kyphosis and clubbing of the fingers:
Kyphosis refers to an excessive forward curvature of the spine, which is not directly related to diminished breath sounds. Clubbing of the fingers is often associated with chronic respiratory conditions, but it is not directly linked to the finding of diminished breath sounds.
B. Dyspnea and hypoxemia:
Dyspnea (shortness of breath) and hypoxemia (low oxygen levels in the blood) are common symptoms in COPD, but diminished breath sounds may indicate an additional concern, such as pneumothorax or other complications.
C. Sepsis and pneumothorax:
Diminished breath sounds can be a sign of pneumothorax, a condition where air accumulates in the pleural space, leading to lung collapse. Sepsis is a risk in clients with COPD due to the potential for respiratory infections. Monitoring for these complications is crucial.
D. Bradypnea and pursed-lip breathing:
Bradypnea (slow breathing) and pursed-lip breathing are coping mechanisms that individuals with COPD may use to manage their breathing difficulties. While they are relevant in the context of COPD, they are not directly associated with the finding of diminished breath sounds.
Correct Answer is B
Explanation
A. Factor VIII: Factor VIII is a component of the clotting cascade, but it is not the antidote for warfarin. Factor VIII is used in the treatment of hemophilia A.
B. Vitamin K: This is the correct answer. Vitamin K is the antidote for warfarin overdose. It helps in the synthesis of clotting factors.
C. IVIG (Intravenous Immunoglobulin): IVIG is not an antidote for warfarin. It is used for various immune-related conditions.
D. Factor X: Factor X is also a clotting factor, but it is not the antidote for warfarin. Factor Xa inhibitors are used as anticoagulants.
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