What should the parents of infants with a positive phenylketonuria (PKU) test be instructed to do?
Give the infant a high protein diet.
Provide the infant with a diet containing small amounts of phenylalanine.
Early introduction of cow’s milk may be necessary before 1 year of age.
Follow up with a pediatric cardiologist.
The Correct Answer is B
Choice A rationale
Giving an infant with a positive PKU test a high protein diet is not recommended. This is because phenylalanine, which cannot be broken down by individuals with PKU, is found in high-protein foods.
Choice B rationale
Parents of infants with a positive PKU test should provide the infant with a diet containing small amounts of phenylalanine. This is because while phenylalanine is harmful in large amounts to individuals with PKU, it is still an essential amino acid that the body needs in small amounts.
Choice C rationale
Early introduction of cow’s milk is not necessary before 1 year of age for infants with a positive PKU test. In fact, cow’s milk is high in phenylalanine and should be avoided.
Choice D rationale
Following up with a pediatric cardiologist is not specifically related to the dietary management of PKU. While regular medical supervision is important for children with PKU, it does not necessarily have to be with a cardiologist.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
In infants with asymmetric intrauterine growth restriction (IUGR), not all body parts appear proportionate. Typically, the head is disproportionately larger compared to the rest of the body.
Choice B rationale
While the extremities can be smaller in infants with IUGR, this is not specific to asymmetric IUGR910.
Choice C rationale
In asymmetric IUGR, the head seems large compared with the rest of the body. This is because the body slows its growth to allow the brain to continue growing.
Choice D rationale
One side of the body appearing slightly smaller than the other is not a typical characteristic of asymmetric IUGR910.
Correct Answer is B
Explanation
Choice A rationale
Insufficient dietary intake is not the main cause of hot flashes and night sweats in postmenopausal women.
Choice B rationale
Deficiency in estrogen is the primary cause of hot flashes and night sweats in postmenopausal women. During menopause, the levels of estrogen, a hormone that regulates the body’s temperature among other things, decrease. This can disrupt the body’s temperature control, leading to hot flashes and night sweats.
Choice C rationale
An active lifestyle is not the main cause of hot flashes and night sweats in postmenopausal women.
Choice D rationale
Changes in vaginal pH are not the main cause of hot flashes and night sweats in postmenopausal women.
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