A nurse is caring for a newborn who is experiencing hyperbilirubinemia and is receiving phototherapy. Which of the following findings indicate that the phototherapy is effective?
Blood glucose level will increase.
Transcutaneous bilirubin (TcB) level decreases.
Skin color changes from yellow to normal.
Weight gain is observed.
The Correct Answer is B
Choice A rationale
Blood glucose level changes are unrelated to hyperbilirubinemia and phototherapy, which specifically target bilirubin metabolism in the newborn's liver and skin.
Choice B rationale
A decrease in transcutaneous bilirubin (TcB) levels shows effective phototherapy, as it converts bilirubin into water-soluble isomers that can be excreted.
Choice C rationale
Skin color changes from yellow to normal indicate reduced bilirubin levels, but the most accurate measure of phototherapy efficacy is the decrease in TcB levels.
Choice D rationale
Weight gain is not an indicator of effective phototherapy; it reflects overall nutrition and hydration status rather than bilirubin metabolism and excretion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Biologically, women are more susceptible to sexually transmitted infections (STIs) due to anatomical differences, such as a larger mucosal surface area, making this statement incorrect.
Choice B rationale
Many STIs, such as chlamydia and gonorrhea, can be asymptomatic. This means a person can have an STI without showing signs or symptoms, making routine screening important.
Choice C rationale
Not all STIs are curable. While bacterial STIs like syphilis and gonorrhea can be treated with antibiotics, viral STIs like herpes and HIV can only be managed, not cured.
Choice D rationale
Condoms significantly reduce the risk of acquiring STIs but do not eliminate it entirely. They protect against fluid transmission but not necessarily from skin-to-skin contact infections like HPV.
Correct Answer is C
Explanation
Choice A rationale
Severe nausea and vomiting are not specific symptoms of a ruptured ectopic pregnancy but may occur due to other unrelated conditions.
Choice B rationale
Bradycardia is not characteristic of a ruptured ectopic pregnancy but could indicate other cardiovascular issues or conditions.
Choice C rationale
Referred shoulder pain is a hallmark symptom of a ruptured ectopic pregnancy due to diaphragmatic irritation from internal bleeding, indicating potential rupture.
Choice D rationale
Heavy vaginal bleeding can occur in various conditions but is not as specific to ruptured ectopic pregnancy as referred shoulder pain indicating internal bleeding.
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