A nurse is contributing to the care of a newborn who is experiencing hyperbilirubinemia and is receiving phototherapy.
Which of the following findings indicate that the phototherapy is effective?
Serum bilirubin level has increased from 6 hours ago.
Hemoglobin and hematocrit have increased.
Transcutaneous bilirubin (TcB) level has decreased from 6 hours ago.
Jaundice moves from chest to groin level.
The Correct Answer is C
Choice A rationale
An increase in serum bilirubin levels indicates worsening hyperbilirubinemia rather than improvement. Effective phototherapy should result in a decrease in bilirubin levels as it helps break down bilirubin into a form that can be excreted.
Choice B rationale
Hemoglobin and hematocrit levels are not directly affected by phototherapy. These values are more related to red blood cell count and do not indicate the effectiveness of phototherapy for treating hyperbilirubinemia.
Choice C rationale
A decrease in transcutaneous bilirubin (TcB) levels from 6 hours ago indicates effective phototherapy. Phototherapy reduces bilirubin levels in the blood by converting it to a water-soluble form that can be eliminated from the body.
Choice D rationale
Jaundice typically moves from the head to the lower body as bilirubin levels decrease. Movement from chest to groin level without a corresponding decrease in bilirubin levels does not necessarily indicate effective phototherapy. .
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
In pregestational type 1 diabetes mellitus, insulin needs typically decrease during the first trimester due to increased insulin sensitivity and decreased food intake from nausea and vomiting, not an increased dosage.
Choice B rationale
Hypotension is not a typical finding associated with pregestational type 1 diabetes mellitus. Instead, hyperglycemia and its complications, such as ketoacidosis, are more relevant concerns.
Choice C rationale
While weight gain is monitored in diabetic pregnancies, excessive weight gain is not a specific condition associated with pregestational type 1 diabetes mellitus. Weight management should be appropriate to avoid complications.
Choice D rationale
Polyphagia, or increased hunger, is a symptom associated with diabetes mellitus due to the body's inability to properly utilize glucose, leading to increased appetite and higher blood glucose levels.
Correct Answer is ["0.5"]
Explanation
Step 1: (1 mg ÷ 1 mg/0.5 mL) = 0.5 mL. Final answer: 0.5 mL.
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