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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:

A.

Newborns are prone to hypoglycemia, and vitamin K helps maintain a steady blood glucose level.

B.

Vitamin K is needed for coagulation, and the newborn does not produce enough vitamin K.

C.

The birthing parent was febrile at the time of birth and prophylactic vitamin K is necessary.

D.

Newborns have deficient levels of prothrombin.

Answer and Explanation

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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View Related questions

Correct Answer is C

Explanation

Choice A rationale

Preoperational stage starts around age 2 to 7 years, characterized by symbolic thinking.

Choice B rationale

Concrete operational stage starts around age 7 to 11 years, involving logical thinking about concrete events.

Choice C rationale

Sensorimotor stage (birth to 2 years) is when infants know the world mostly in terms of their sensory impressions and motor activities.

Choice D rationale

Formal operational stage begins at approximately age 12 and involves abstract and hypothetical thinking.

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.

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