A nurse is assessing a newborn who was born at 42.5 weeks of gestation. Which of the following findings should the nurse expect?
Increased subcutaneous fat
Dry, cracked skin
Scant scalp hair
Copious vernix
The Correct Answer is B
Choice A reason: Increased subcutaneous fat is not a typical finding in a newborn who was born at 42.5 weeks of gestation, because it is more characteristic of a term or preterm newborn. A postterm newborn tends to have less subcutaneous fat, and may appear thin and wasted.
Choice B reason: Dry, cracked skin is a common finding in a newborn who was born at 42.5 weeks of gestation, because the skin has been exposed to the amniotic fluid for a prolonged period. The skin may also appear peeling, wrinkled, or leathery.
Choice C reason: Scant scalp hair is not a usual finding in a newborn who was born at 42.5 weeks of gestation, because it is more characteristic of a preterm newborn. A postterm newborn tends to have more scalp hair, and may also have long nails and abundant lanugo.
Choice D reason: Copious vernix is not a specific finding in a newborn who was born at 42.5 weeks of gestation, because it is more characteristic of a term or preterm newborn. A postterm newborn tends to have little or no vernix, which is a white, cheesy substance that protects the skin in utero.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: The mother applying lotion to the newborn's skin requires intervention by the nurse, because it can interfere with the effectiveness of phototherapy and increase the risk of thermal injury. The nurse should instruct the mother to avoid using any lotions, creams, or oils on the newborn's skin during phototherapy.
Choice B reason: The newborn's stools increasing in number does not require intervention by the nurse, because it is a normal and expected outcome of phototherapy. Phototherapy can increase the breakdown and excretion of bilirubin, which can result in more frequent and loose stools.
Choice C reason: A pink rash appearing on the newborn's trunk does not require intervention by the nurse, because it is a common and harmless side effect of phototherapy. The rash usually disappears within a few days after phototherapy is discontinued.
Choice D reason: The newborn's eyes being covered with a mask does not require intervention by the nurse, because it is a standard and essential precaution for phototherapy. The mask protects the newborn's eyes from the harmful effects of the light, such as corneal damage or retinal injury.
Correct Answer is ["200"]
Explanation
The correct answer is 200 mL/hr.
To calculate the IV rate, the nurse should use the following formula:
IV rate (mL/hr) = (Volume to be infused (mL) / Time of infusion (hr)) x Drop factor (gtt/mL)
In this case, the volume to be infused is 100 mL, the time of infusion is 0.5 hr (30 min), and the drop factor is 1 gtt/mL (assuming the IV pump is calibrated in mL/hr). Therefore, the formula becomes:
IV rate (mL/hr) = (100 mL / 0.5 hr) x 1 gtt/mL
IV rate (mL/hr) = 200 mL/hr
The nurse should round the answer to the nearest whole number, which is 200 mL/hr. The nurse should use a leading zero if the answer is less than 1, which is not the case here. The nurse should not use a trailing zero, which means 200 mL/hr and not 200.0 mL/hr.
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