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.

Answer and Explanation

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.

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Correct Answer is B

Explanation

Choice A rationale
A vaginal pH of 3 is not a symptom of bacterial vaginosis. In fact, a higher vaginal pH (greater than 4.5) is more commonly associated with bacterial vaginosis.
Choice B rationale
A fish-like odor of discharge is a common symptom of bacterial vaginosis. This odor may become stronger after sexual intercourse.
Choice C rationale
Yellowish-green discharge is not typically associated with bacterial vaginosis. The discharge associated with bacterial vaginosis is usually thin and gray or white.
Choice D rationale
Cervical bleeding upon contact is not a common symptom of bacterial vaginosis. The most common symptoms are a fish-like odor and a thin, gray or white discharge.

A. Smoking cigarettes and drinking wine will not affect my sperm count. B. I was treated with antibiotics for trichomoniasis in my late teens, so it should not affect my ability to conceive now. C. We should engage in unprotected intercourse three weeks after her menstrual period when we decide to conceive. D. If my husband regularly uses the hot tub, it will decrease his sperm count.

Correct Answer is D

Explanation

Choice A rationale
Smoking and drinking alcohol can indeed affect sperm count. Studies have shown that smoking and alcohol consumption do not significantly affect semen quality, but avoiding them is still considered good health advice.
Choice B rationale
Trichomoniasis is a sexually transmitted infection that can be treated with medication. If treated properly, it should not affect the ability to conceive in the future.
Choice C rationale
The timing of intercourse for conception is usually centered around the time of ovulation, which typically occurs in the middle of the menstrual cycle, not three weeks after menstruation. Engaging in unprotected intercourse three weeks after her menstrual period may not be the most effective timing for conception.
Choice D rationale
Regular use of hot tubs can indeed decrease a man’s sperm count. The heat from hot tubs can affect sperm production, leading to a reduction in sperm count.

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What should the parents of infants with a positive phenylketonuria (PKU) test be instructed to do?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

What symptom would a nurse anticipate in a patient diagnosed with bacterial vaginosis?

Correct Answer is B

Explanation

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Correct Answer is D

Explanation

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