Correct Answer: A

Rationale: An increase in urine output is a reliable indicator that the child's hydration status is improving. Adequate urine output signifies that the kidneys are functioning properly and that the body is effectively eliminating waste and excess fluids, indicating improved hydration levels. The other options are not as direct indicators of hydration status. Skin turgor and weight changes can be influenced by various factors, and stable vital signs do not specifically reflect hydration status.

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: D

Rationale: Providing positive feedback to the mother for correctly administering the iron supplements is essential as it reinforces proper medication administration practices. This encouragement can help build the mother's confidence and ensure that she continues to administer the supplements correctly in the future, promoting the infant's health and well-being. Choices A, B, and C are incorrect because there is no need to suggest altering the administration method, changing the liquid used, or restricting feeding immediately after administering the iron supplement. Giving positive feedback is the most appropriate action in this scenario to acknowledge the mother's correct administration technique.

Correct Answer: A

Rationale: The correct action for the nurse to take in this situation is to document the finding. The infant voiding a urinary stream from the ventral surface of the penis suggests hypospadias, a condition where the urethral opening is on the underside of the penis. This finding is crucial information that needs to be documented for further evaluation. Palpating the scrotum for testicular descent, assessing for bladder distension, and auscultating bowel sounds are not appropriate actions based on the presented scenario and do not address the specific concern of the urinary stream location.

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.