A nurse is reporting a client's laboratory tests to the provider to obtain a prescription for the client's daily warfarin. Which of the following laboratory tests should the nurse plan to report to obtain the prescription for the warfarin?
INR
Fibrinogen level
aPTT
Platelet count
The Correct Answer is A
A. Correct. The International Normalized Ratio (INR) is used to monitor the effectiveness of warfarin therapy, which is commonly prescribed to prevent blood clotting. The INR provides information about the client's prothrombin time (PT) in relation to a standardized value.
B. Fibrinogen level measures clotting potential but is not directly related to warfarin therapy monitoring.
C. Activated Partial Thromboplastin Time (aPTT) is used to monitor other anticoagulants like heparin, not warfarin.
D. Platelet count measures the number of platelets in the blood and is not specifically related to warfarin therapy monitoring.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Incorrect. A residual of 65 mL may indicate delayed gastric emptying, but it alone does not directly correlate with an increased risk of aspiration unless it leads to significant overdistension or the client is unable to tolerate further feedings.
B. Incorrect. Sitting in high Fowler's position during feeding is actually a preventive measure against aspiration.
C. Correct. his factor increases the risk for aspiration. Clients with gastroesophageal reflux disease (GERD) are more prone to refluxing contents from the stomach into the esophagus, which can lead to aspiration, especially during or after feedings.
D. Incorrect. The osmolarity of the formula might affect tolerance but is not directly related to aspiration risk.
Correct Answer is B
Explanation
A. Incorrect. A Glasgow coma scale (GCS) rating of 15 indicates that the client is able to obey commands.
B. Correct. A GCS rating of 15 indicates that the client is fully conscious and oriented to person, place, and time.
C. Incorrect. Opening eyes to sound is a response associated with the eye-opening component of the GCS score, but this response does not provide information about the client's orientation.
D. Incorrect. Withdrawing from pain is a response associated with the motor component of the GCS score, but this response does not provide information about the client's orientation.
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