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 B
Explanation
Choice A rationale:
A toddler running with a wide stance is a common behavior at this age and does not necessarily indicate developmental delay. Toddlers often develop a wide base of support as they learn to balance and walk more confidently.
Choice B rationale:
Falling when throwing a ball overhand requires coordination and motor skills. By the age of 24 months, most toddlers can throw a ball with some degree of accuracy. Inability to do so may indicate a developmental delay in motor skills, making choice B the correct answer.
Choice C rationale:
Referring to oneself by name is a typical language development milestone around the age of 24 months. It demonstrates a basic understanding of self-identity and language, indicating appropriate developmental progress. This choice does not suggest a delay.
Choice D rationale:
Going up stairs with two feet on each step is a gross motor skill that toddlers typically develop around 36 months of age. It requires balance and coordination. While it is advanced for a 24-month-old, it is not necessarily a sign of developmental delay. Therefore, this choice does not provide a clear indication of delay.
Correct Answer is B
Explanation
A. Incorrect. A pale appearance and fluid deficit of 30 mL over 24 hours might require intervention but is not as critical as sunken fontanels and dry mucous membranes.
B. Correct. Sunken fontanels and dry mucous membranes are signs of dehydration, a potential complication of gastroenteritis. These findings should be reported to the provider for further evaluation and intervention.
C. Incorrect. A slightly elevated temperature and an increased pulse rate are common responses to infection and fever in infants.
D. Incorrect. Decreased appetite and irritability can be expected in infants with gastroenteritis and are not as concerning as signs of dehydration.
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