How many ounces is 30 ml?
Half an ounce.
Three.
Two.
One.
The Correct Answer is A
Choice A rationale:
30 ml is equal to approximately half an ounce. One ounce is equivalent to 29.57 ml. This conversion is essential in pediatric care, especially when administering medications to infants, as doses are often prescribed in milliliters.
Choice B rationale:
Three ounces is not the correct conversion for 30 ml. Three ounces would be equivalent to approximately 88.71 ml, which is significantly more than 30 ml.
Choice C rationale:
Two ounces is not the correct conversion for 30 ml. Two ounces would be approximately
59.15 ml, which is still more than 30 ml. Choice D rationale:
One ounce is not the correct conversion for 30 ml. As mentioned earlier, one ounce is approximately 29.57 ml, which is slightly less than 30 ml. The correct conversion is half an ounce (approximately 14.79 ml more than 29.57 ml), as stated in Choice A.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. This is not a primary consideration before bathing a newborn. The timing of the last feeding is more relevant to assessing the risk of hypoglycemia rather than determining readiness for a bath.
B. This temperature is slightly below the recommended range for newborns (36.5°C to 37.5°C). Bathing should be delayed until the newborn's temperature is stable.
C. While care of the umbilical cord is important, it does not determine the timing of the first bath. The cord can be kept dry even if the baby is bathed.
D. Ensuring that the newborn has maintained a stable body temperature for at least 2 hours is crucial before giving the first bath. Bathing can cause a drop in body temperature, so it's essential that the newborn's thermoregulation is stable to avoid hypothermia.
Correct Answer is B
Explanation
Choice A rationale:
Providing a heat source for the newborn is not the purpose of surfactant. Surfactant is a substance produced in the lungs to reduce surface tension and prevent alveolar collapse during expiration. It helps with the exchange of gases, but it does not generate heat.
Choice B rationale:
This is the correct answer. Surfactant plays a crucial role in assisting the alveoli to remain open by reducing surface tension. This, in turn, allows for proper gas exchange, especially of oxygen and carbon dioxide.
Choice C rationale:
Assisting the ductus arteriosus to remain open is not the purpose of surfactant. The ductus arteriosus is a fetal blood vessel that connects the pulmonary artery to the aorta, bypassing the lungs. After birth, it should close on its own, and surfactant does not influence this process.
Choice D rationale:
Providing energy to the newborn is not the purpose of surfactant. Energy for the newborn comes from nutrition, particularly breast milk or formula, and not from surfactant
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