Pediatric HESI

Correct Answer: A

Rationale: Duchenne muscular dystrophy is an X-linked recessive disorder caused by mutations in the DMD gene on the X chromosome. This disorder primarily affects males because they have one X chromosome, inherited from their mothers, who may be carriers of the mutated gene. Females have two X chromosomes, providing a protective effect as the normal gene on one X chromosome can compensate for the mutated gene on the other. Therefore, the nurse should explain to the parents that Duchenne muscular dystrophy is an inherited X-linked recessive disorder, which is why their son has the disease and why there is a risk of passing it on to future sons.

Correct Answer: B

Rationale: Bracing is commonly used in moderate cases of scoliosis to prevent progression of the spinal curvature.

Correct Answer: A

Rationale: Completing the full course of antibiotics is crucial in the management of acute rheumatic fever as it helps prevent recurrence and complications. Antibiotics are essential in eradicating the underlying infection that triggers the autoimmune response leading to rheumatic fever. Reinforcing the importance of completing the prescribed antibiotic regimen is vital to ensure the child's recovery and prevent further health issues.

Correct Answer: B

Rationale: For individuals with celiac disease, a strict gluten-free diet is essential for managing the condition. Foods containing wheat, barley, and rye must be completely avoided to prevent adverse reactions and damage to the intestines. This dietary restriction is crucial to ensure the child's health and well-being in managing celiac disease effectively.

Correct Answer: C

Rationale: The priority action for a 2-year-old child with croup and stridor is to administer nebulized epinephrine. This intervention helps reduce airway swelling, alleviate symptoms, and improve breathing by causing vasoconstriction and reducing upper airway edema.