A parent asks the nurse why the newborn is getting a vitamin K injection in the birth room.
The nurse explains that the injection is necessary because:
Newborns are prone to hypoglycemia, and vitamin K helps maintain a steady blood glucose level.
Vitamin K is needed for coagulation, and the newborn does not produce enough vitamin K.
The birthing parent was febrile at the time of birth and prophylactic vitamin K is necessary.
Newborns have deficient levels of prothrombin.
The Correct Answer is B
Choice A rationale
Vitamin K has no role in stabilizing blood glucose levels; hypoglycemia in newborns is managed differently.
Choice B rationale
Vitamin K is essential for blood clotting, and newborns typically have low stores at birth, necessitating supplementation to prevent bleeding disorders.
Choice C rationale
There is no established link between maternal fever and the need for vitamin K; prophylaxis is standard for all newborns regardless of maternal health.
Choice D rationale
Newborns do not have sufficient prothrombin or other clotting factors, which is why vitamin K administration is critical.
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Correct Answer is ["A"]
Explanation
Step 1 is 33 lb × (1 kg ÷ 2.2 lb) = 15 kg.
Step 2 is 30 mg/kg/day × 15 kg = 450 mg/day.
Step 3 is 450 mg/day ÷ 2 = 225 mg per dose.
Step 4 is 225 mg ÷ (200 mg/5 mL) = 5.625 mL. The final calculated answer is 5.6 mL.
Correct Answer is A
Explanation
Choice A rationale
Giving the toddler a choice between two cups helps to decrease negativism by providing options that still achieve the desired outcome, thereby reducing the likelihood of refusal.
Choice B rationale
Asking the child to take medicine now offers no real choice and is likely to be met with resistance, which is characteristic of negativism in toddlers.
Choice C rationale
This question is too open-ended and can easily be refused, as it does not provide a sense of control or choice for the toddler.
Choice D rationale
Telling the child they "need" to take medicine is directive and authoritarian, which often triggers negativism and a refusal.