what is a key dietary consideration for a child with phenylketonuria pku

HESI LPN

LPN Nutrition Practice Test

1. What is a key dietary consideration for a child with phenylketonuria (PKU)?

A. High-fiber diet
B. Low-phenylalanine diet
C. Increased dairy intake
D. High-sodium diet

Correct answer: B

Rationale: A low-phenylalanine diet is crucial for managing PKU to prevent neurological damage and maintain normal development. Phenylalanine is an amino acid found in protein-containing foods, and individuals with PKU have difficulty metabolizing it. Consuming foods low in phenylalanine helps prevent the buildup of toxic byproducts in the body. Choices A, C, and D are incorrect. A high-fiber diet, increased dairy intake, and high-sodium diet are not specific dietary considerations for PKU management. In fact, dairy products are a source of protein and phenylalanine, which should be limited in PKU.

2. What does the term 'essential nutrient' refer to?

A. A nutrient that can be synthesized by the body.
B. A nutrient that is required for proper body functioning.
C. A nutrient that must be obtained from the diet because the body cannot produce it.
D. A nutrient that can be stored in the body for long periods.

Correct answer: C

Rationale: The correct answer is C. An essential nutrient is a substance that is necessary for normal body functioning but cannot be synthesized in adequate amounts by the body, therefore it must be obtained from the diet. Choices A, B, and D are incorrect because essential nutrients are not synthesized by the body, they are necessary for body functioning, and they are not typically stored in the body for long periods.

3. What dietary recommendation should be made to a child with iron-deficiency anemia?

A. Increase intake of dairy products
B. Include high-iron foods like spinach and meat
C. Decrease protein intake
D. Avoid all grains

Correct answer: B

Rationale: The correct recommendation for a child with iron-deficiency anemia is to include high-iron foods like spinach, red meat, and beans in their diet. These foods are rich sources of iron and can help address the deficiency. Choice A is incorrect as dairy products do not provide significant iron content. Choice C is incorrect because protein intake does not need to be decreased; in fact, lean meats are good sources of iron. Choice D is also incorrect as whole grains can be a part of a healthy diet and do not need to be avoided in this case.

4. How should a caregiver manage a child with a newly diagnosed hearing impairment?

A. Increase the volume of all auditory stimuli
B. Refer for audiologic evaluation and intervention
C. Avoid using any assistive devices
D. Encourage frequent use of headphones

Correct answer: B

Rationale: When a child is newly diagnosed with a hearing impairment, it is essential to refer them for audiologic evaluation and intervention. This step is crucial to accurately assess the extent of the impairment, determine appropriate interventions, and support the child's communication and development. Increasing the volume of all auditory stimuli (choice A) is not a recommended approach as it may not address the specific needs of the child and could potentially cause discomfort. Avoiding the use of assistive devices (choice C) can hinder the child's ability to communicate effectively. Encouraging frequent use of headphones (choice D) is also not advisable as it may not be suitable for managing hearing impairments and could potentially worsen the condition.

5. What is a common symptom of a respiratory infection in infants?

A. Wheezing
B. High appetite
C. Increased thirst
D. Lethargy

Correct answer: A

Rationale: Wheezing is a common symptom of respiratory infections in infants, often associated with coughing and difficulty breathing. It occurs due to the narrowing of the airways. Choice B, 'High appetite,' is incorrect as respiratory infections usually lead to a decrease in appetite rather than an increase. Choice C, 'Increased thirst,' is incorrect as it is not a typical symptom of a respiratory infection in infants. Choice D, 'Lethargy,' can be a symptom of respiratory infections but is not as specific and common as wheezing.