HESI Practice Test Pediatrics

Correct Answer: B

Rationale: When administering ear drops to a child under three years old, it is essential to pull the earlobe down and back. This positioning helps straighten the external auditory canal, facilitating the proper administration of the ear drops. Pulling the earlobe down and back in young children aims to ensure that the medication reaches the intended area for optimal effectiveness.

Correct Answer: A

Rationale: The nurse should inform the parents that Duchenne muscular dystrophy is an X-linked recessive disorder, which primarily affects male children in the family. This genetic condition is caused by a mutation in the dystrophin gene located on the X chromosome. Females are usually carriers of the gene mutation and may pass it on to their sons. Daughters of carrier mothers have a 50% chance of being carriers themselves. Understanding the genetics of DMD can help the parents make informed decisions about family planning and genetic counseling.

Correct Answer: B

Rationale: Celiac disease is managed with a strict gluten-free diet, necessitating the avoidance of foods containing wheat, barley, and rye. Gluten is found in these grains and can trigger an immune response in individuals with celiac disease, leading to damage to the small intestine. Therefore, it is essential for individuals with celiac disease, including children, to carefully avoid gluten-containing foods to maintain their health and well-being.

Correct Answer: A

Rationale: Using a peak flow meter daily is crucial as it helps monitor asthma control by measuring how well the child's lungs are functioning. This monitoring can indicate when intervention is needed before symptoms worsen or become severe, allowing for timely management of asthma exacerbations.

Correct Answer: A

Rationale: The priority action for the nurse is to ensure that a safety plan is in place before discharge. A safety plan is essential to assist the adolescent in managing future crises and decreasing the likelihood of another suicide attempt. It provides guidance on coping strategies and resources to help the adolescent stay safe in times of distress.