A nurse is caring for a newborn who was born at 38 weeks of gestation, weighs 3 kg (6 lb 10 oz), and is receiving formula feedings every 3 hr.
The nurse should expect that at each feeding this newborn will consume how many mL?
30 mL
60 mL
90 mL
120 mL
The Correct Answer is C
90 mL. According to the CDC, babies who are only getting infant formula and no breast milk need about 2.5 ounces (75 mL) of formula per pound of body weight each day.
A newborn who weighs 3 kg (6 lb 10 oz) would need about 15 ounces (450 mL) of formula per day, divided into 8 to 12 feedings.
This means that at each feeding, the newborn would consume about 90 mL of formula.
Choice A is wrong because 30 mL is too little for a newborn who weighs 3 kg.
This would only provide about 10 ounces (300 mL) of formula per day, which is not enough for adequate growth and development.
Choice B is wrong because 60 mL is also too little for a newborn who weighs 3 kg.
This would only provide about 20 ounces (600 mL) of formula per day, which is still below the recommended amount.
Choice D is wrong because 120 mL is too much for a newborn who weighs 3 kg. This would provide about 40 ounces (1200 mL) of formula per day, which is more than the maximum amount of 32 ounces that most babies need before they start solids.
Overfeeding can cause problems such as spitting up, gas, and obesity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Honey should be limited or avoided to prevent dental caries in infants.
Honey is a type of sugar that can feed the bacteria that cause cavities, especially if it is left on the teeth for a long time.Honey can also contain spores of a bacterium that can cause botulism, a serious illness, in infants.
Choice B is wrong because cheese is not a risk factor for dental caries in infants.Cheese can actually help prevent cavities by stimulating saliva production and neutralizing acids in the mouth.
Choice C is wrong because avocado is not a risk factor for dental caries in infants.Avocado is a healthy fat that does not contain sugars that can feed cavity-causing bacteria.
Choice D is wrong because green leafy vegetables are not a risk factor for dental caries in infants.Green leafy vegetables are rich in vitamins and minerals that can support oral health and general health.
Correct Answer is A
Explanation
Breast milk does not contain enough vitamin D for bone health.Vitamin D is needed to support healthy bone development and to prevent rickets, a condition that causes weak or deformed bones.Breast milk alone does not provide infants with an adequate amount of vitamin D.The Dietary Guidelines for Americans and American Academy of Pediatrics recommend breastfed and partially breastfed infants be supplemented with 400 IU per day of vitamin D beginning in the first few days of life.
Choice B is wrong because breast milk does not interfere with vitamin D absorption from sunlight.However, reducing sun exposure is important for preventing skin cancer, and other factors such as clothing, air pollution, and skin type can also decrease the amount of vitamin D a person can make from sunlight.
Choice C is wrong because breast milk does not increase vitamin D excretion in urine.
Vitamin D is a fat-soluble vitamin that is stored in the body and not easily lost in urine.
Choice D is wrong because breast milk does not inhibit vitamin D synthesis in the liver.Vitamin D is synthesized in the skin from exposure to sunlight, and then activated in the liver and kidneys to its active form.
Breast milk does not affect this process.
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