A nurse is providing dietary teaching for a client who is at 28 weeks of gestation and has phenylketonuria (PKU). Which of the following foods should the client avoid?

Apples

Milk

Carrots

Coffee

Answer and Explanation

The Correct Answer is B

A. Apples: Apples are naturally low in phenylalanine, the amino acid that clients with phenylketonuria (PKU) cannot properly metabolize. Fruits like apples are generally safe and are encouraged in a low-phenylalanine diet because they help meet nutritional needs without contributing excess protein or phenylalanine.
B. Milk: Milk is high in protein and contains significant amounts of phenylalanine, making it unsuitable for individuals with PKU. Consuming milk can lead to elevated phenylalanine levels, which are harmful to the developing fetus and can cause cognitive impairments and developmental delays. Pregnant women with PKU must strictly avoid high-protein foods such as milk.
C. Carrots: Carrots are low in protein and phenylalanine, making them a safe and beneficial food choice for clients with PKU. They provide important nutrients like beta-carotene and fiber without compromising phenylalanine restrictions. Including vegetables like carrots supports balanced nutrition during pregnancy.
D. Coffee: Coffee itself contains minimal or no phenylalanine unless additives such as milk or cream are used. While caffeine intake should be moderated during pregnancy, plain coffee does not significantly impact phenylalanine levels and is not a food that must be avoided specifically because of PKU.

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Correct Answer is D

Explanation

A. Limits red meat intake to two servings a month: Limiting red meat intake is a protective dietary behavior when it comes to cancer prevention. High consumption of red and processed meats has been linked to colorectal and other cancers. Two servings a month is relatively low and does not place the client at increased risk, but rather may help reduce cancer risk.
B. Eats six servings of whole grains daily: Whole grains contain dietary fiber, antioxidants, and phytochemicals that support digestive health and reduce inflammation, which may protect against certain cancers, particularly colorectal cancer. Eating six servings of whole grains daily is consistent with cancer-preventive nutritional guidelines.
C. Eats at least five servings of fruits and vegetables daily: Fruits and vegetables provide essential vitamins, minerals, fiber, and phytonutrients that have cancer-fighting properties. A daily intake of at least five servings supports immune function, cellular repair, and may reduce the risk of various types of cancer, including stomach and lung cancers.
D. Limits alcohol consumption to two drinks per day: Consuming up to two alcoholic drinks daily may still increase cancer risk, especially for breast, liver, esophageal, and colorectal cancers. The safest approach in cancer prevention is to avoid alcohol or limit it to no more than one drink per day for women.

A. "Supplement your diet with 400 micrograms of folic acid." B. "Adhere to a low-protein diet." C. "Add more leafy greens to your diet." D. "Increase your dietary fiber intake."

Correct Answer is C

Explanation

A. "Supplement your diet with 400 micrograms of folic acid. Folic acid is essential for preventing neural tube defects in fetal development and plays a role in red blood cell formation and DNA synthesis. However, it is not directly associated with the prevention or treatment of osteoporosis.
B. "Adhere to a low-protein diet." A low-protein diet is not advisable for individuals at risk for osteoporosis. Adequate protein intake is necessary for bone matrix formation and maintenance of muscle mass, which supports skeletal strength. Extremely low protein can impair calcium absorption and negatively affect bone density, increasing fracture risk.
C. "Add more leafy greens to your diet." Leafy green vegetables such as kale, spinach, and broccoli are rich in calcium, magnesium, and vitamin K, all of which support bone health and help in maintaining bone density. These nutrients play a crucial role in bone remodeling and reducing the risk of fractures in individuals susceptible to osteoporosis.
D. "Increase your dietary fiber intake." While fiber is important for digestive health and reducing cholesterol, it does not have a significant direct effect on bone mineral density or osteoporosis prevention. Excessive fiber intake, especially from supplements, may even interfere with calcium absorption, making it less ideal for those at risk of osteoporosis.

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A nurse is providing dietary teaching for a client who is at 28 weeks of gestation and has phenylketonuria (PKU). Which of the following foods should the client avoid?

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