Correct Answer: B

Rationale: In the case of an incarcerated inguinal hernia, gentle manipulation can sometimes help in reducing it before surgery. This action should be taken cautiously and immediately followed by seeking medical attention. It is important to note that attempting reduction should be done by a healthcare professional, and parents should be advised to seek urgent medical care if the hernia becomes incarcerated.

Correct Answer: C

Rationale: In this scenario, the child is hyperventilating, which leads to excessive loss of carbon dioxide. This loss of carbon dioxide causes respiratory alkalosis due to a decrease in the partial pressure of carbon dioxide in the blood. Therefore, the correct answer is respiratory alkalosis.

Correct Answer: D

Rationale: The best response for the nurse in this situation is to help the child understand that the separation is temporary. Waving bye-bye to mommy can be reassuring to the child and make the separation process easier. It acknowledges the child's feelings while providing a positive and comforting interaction.

Correct Answer: B

Rationale: Mixing formula with rice cereal is beneficial for infants with GERD as it thickens the feed, helping to reduce the risk of reflux. This can aid in promoting adequate nutrition and minimizing symptoms associated with GERD in infants.

Correct Answer: A

Rationale: In this scenario, the nurse's priority action should be to obtain a urine sample for toxicology screening. This step is crucial in identifying the substances involved in the relapse, which will guide appropriate treatment strategies. Establishing a therapeutic relationship and discussing treatment options come after obtaining necessary diagnostic information to ensure a comprehensive care plan.