HESI Pediatrics Practice Exam

Correct Answer: A

Rationale: Pyloric stenosis leads to obstruction at the outlet of the stomach, causing frequent vomiting and loss of stomach acids. This results in a loss of hydrochloric acid and hydrogen ions, leading to metabolic alkalosis due to an increase in serum bicarbonate levels. Therefore, the correct answer is metabolic alkalosis. Choice B, respiratory acidosis, is incorrect as it is not typically associated with pyloric stenosis. Choice C, metabolic acidosis, is incorrect because the loss of stomach acids in pyloric stenosis leads to metabolic alkalosis, not acidosis. Choice D, respiratory alkalosis, is also incorrect as it is not the usual consequence of pyloric stenosis.

Correct Answer: C

Rationale: In the management of acute asthma exacerbations, the first-line medication for quick relief of bronchoconstriction is a short-acting beta agonist, such as albuterol. These medications help to rapidly open up the airways, providing immediate relief to the patient. Inhaled corticosteroids are more commonly used for long-term control of asthma symptoms, while oral corticosteroids and leukotriene receptor antagonists are often reserved for more severe or chronic cases. Therefore, in a child experiencing severe asthma symptoms, the practical nurse should anticipate the administration of short-acting beta agonists as the initial intervention to provide quick relief and improve breathing.

Correct Answer: C

Rationale: The most appropriate initial action for the nurse to take is to inspect the child's ears for drainage. This step can provide immediate information on the presence of infection or fluid, which could be impacting the child's hearing. By assessing for drainage, the nurse can gather valuable initial data to determine the next course of action, such as further evaluation or treatment. Asking about speech development or referring to an audiologist would be secondary steps after assessing the physical condition of the ears. Performing a hearing test would also be premature without first examining the ears for any visible issues.

Correct Answer: D

Rationale: The correct answer is D. Children with celiac disease must strictly adhere to a gluten-free diet. Even small amounts of gluten can cause harm by triggering an immune response that damages the intestines. It is crucial for parents to understand that allowing their child to have small amounts of gluten occasionally is not safe and can lead to complications. Therefore, further teaching is needed to emphasize the importance of complete avoidance of gluten-containing foods for a child with celiac disease. Choices A, B, and C demonstrate understanding of the need to avoid gluten-containing foods and hidden sources of gluten, which are essential in managing celiac disease. Choice D is incorrect as it suggests a lax approach to the child's diet, which can be harmful in the case of celiac disease.

Correct Answer: A

Rationale: Creamed corn is a gluten-free food, making it a suitable option for clients with celiac disease. This choice indicates effective diet teaching as it aligns with the dietary restrictions necessary for managing the condition. Pancakes, rye crackers, and cooked oatmeal contain gluten, which is harmful to individuals with celiac disease. Therefore, they are not suitable choices and would not indicate effective teaching for a client with this condition.