HESI LPN
Nutrition Final Exam
1. What is critical for preventing complications in an infant with hypothyroidism?
- A. Excessive growth
- B. Cognitive impairment
- C. Damage to the nervous system
- D. Damage to the urinary system
Correct answer: B
Rationale: The correct answer is B: Cognitive impairment. In infants with hypothyroidism, prompt administration of oral thyroid hormone replacement is crucial to prevent cognitive impairment and other serious complications. Excessive growth (choice A) is not a typical complication of hypothyroidism in infants. While hypothyroidism can affect the nervous system (choice C), cognitive impairment is more specific to untreated cases. Damage to the urinary system (choice D) is not a common complication of hypothyroidism in infants.
2. What is a common sign of an allergic reaction in children?
- A. Persistent cough
- B. Skin rash or hives
- C. Increased appetite
- D. Low-grade fever
Correct answer: B
Rationale: Skin rash or hives are common signs of an allergic reaction in children, often following exposure to allergens. While a persistent cough can occur in some cases, it is not typically a primary sign of an allergic reaction. Increased appetite is unrelated to allergic reactions. A low-grade fever is not a common sign of an allergic reaction but can be present in other conditions like infections.
3. Why is peer review important in scientific research?
- A. To expedite publication of results.
- B. To facilitate the replication of studies.
- C. To verify the accuracy and validity of research findings.
- D. To enhance the credibility of the research.
Correct answer: C
Rationale: Peer review is crucial in scientific research to verify the accuracy and validity of research findings. By subjecting research papers to evaluation by experts in the field, peer review ensures that the study's methods, results, and conclusions are robust and reliable. This process helps to maintain high standards of quality in scientific publications, providing credibility to the research. Choices A and D are incorrect because the primary purpose of peer review is not to expedite publication or solely enhance credibility; its core function is to validate the research's accuracy and validity. Choice B, while beneficial, is not the primary reason for peer review; replication is a byproduct of the rigorous evaluation of research methods and findings.
4. How should a caregiver handle a child with a known peanut allergy?
- A. Educate on allergen avoidance
- B. Increase exposure to peanuts
- C. Administer antihistamines as needed
- D. Suggest occasional consumption of peanuts
Correct answer: A
Rationale: Educating on allergen avoidance is the correct approach when dealing with a child who has a known peanut allergy. This helps in managing the allergy effectively and preventing potential allergic reactions. Increasing exposure to peanuts (Choice B) is dangerous and can trigger severe allergic reactions in a child with a peanut allergy. While antihistamines (Choice C) can help alleviate some symptoms, they should not be the primary method of managing a peanut allergy. Suggesting occasional consumption of peanuts (Choice D) is extremely risky and should never be done for a child with a known peanut allergy.
5. What is a common sign of a urinary tract infection (UTI) in toddlers?
- A. Excessive thirst
- B. Frequent, painful urination
- C. Increased appetite
- D. Skin rash
Correct answer: B
Rationale: Frequent, painful urination is a common sign of a urinary tract infection in toddlers. This symptom is often accompanied by possible fever and irritability. Excessive thirst (Choice A) is not a typical sign of a UTI in toddlers and is more commonly associated with conditions like diabetes. Increased appetite (Choice C) is not a typical symptom of a UTI in toddlers either. Skin rash (Choice D) is not a common sign of a UTI but may indicate other conditions like allergies or infections.
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