Pediatric HESI Test Bank

Correct Answer: D

Rationale: The correct answer is D. Infants have a higher extracellular fluid requirement per unit of body weight, making them more susceptible to dehydration and electrolyte imbalances during illnesses such as diarrhea. Choice A is incorrect because cellular metabolism being unstable is not the primary explanation for the symptoms described. Choice B is incorrect as the proportion of water in the body alone does not fully explain the increased risk of dehydration in infants. Choice C is incorrect because while renal function is immature in children, it is not the most relevant factor in this scenario compared to the increased fluid requirements.

Correct Answer: D

Rationale: The correct answer is D, pubic bone malformation. Exstrophy of the bladder is commonly associated with pubic bone malformation because the condition involves a defect in the pelvic region. Choices A, B, and C are incorrect. Imperforate anus, absence of one kidney, and congenital heart disease are not typically associated with exstrophy of the bladder.

Correct Answer: C

Rationale: The correct answer is to measure the dose with a proper measuring device. Using a proper measuring device ensures accurate dosing, which is crucial to avoid under or overdosing. Administering the medication with food (Choice A) is not necessary for acetaminophen. Using a household spoon (Choice B) can lead to inaccurate dosing due to variations in spoon sizes. Administering the medication only when the child has a high fever (Choice D) is not appropriate as acetaminophen can be used for fever management regardless of the fever intensity.

Correct Answer: A

Rationale: For a 4-year-old child scheduled for a myringotomy, explaining the procedure in simple terms is essential in helping the child understand what will happen during the surgery and reducing anxiety. Encouraging fluid intake, allowing the child to play with medical equipment, and using play therapy are not directly related to preparing the child for the myringotomy procedure. Therefore, these options are incorrect and not as beneficial as explaining the procedure in simple terms.

Correct Answer: C

Rationale: The correct answer is C. In type 2 diabetes mellitus, excessive thirst (polydipsia) is a common symptom due to high blood glucose levels. This results in the patient feeling unable to drink enough water to satisfy their thirst. The other options are incorrect because a recent 'cold or flu' (choice A) is not directly related to diabetes mellitus, decreased blood pressure (choice B) is not a typical finding in uncontrolled diabetes, and Kussmaul breathing (choice D) is associated with diabetic ketoacidosis, which is more common in type 1 diabetes mellitus.