Correct Answer: C

Rationale: Gradually tapering the dose over one to two weeks should be recommended to prevent rebound tachycardia, hypertension, and ventricular dysrhythmias.

Correct Answer: A

Rationale: Recognizing signs of dehydration is crucial for ensuring the health and well-being of infants.

Correct Answer: D

Rationale: Corrected Rationale: An arterial blood pH of 7.30 indicates the client is in acidosis, which is a life-threatening condition in DKA. Immediate intervention is required to correct the acidosis and prevent further complications such as organ failure or coma. Blood glucose of 250 mg/dL is elevated but not an immediate threat to life in comparison to acidosis. Serum potassium of 3.5 mEq/L and serum sodium of 135 mEq/L are within normal ranges and do not warrant immediate intervention in the context of DKA.

Correct Answer: B

Rationale: The correct answer is 'B: influenza.' Influenza vaccination is crucial for adults, particularly in rural areas where access to healthcare may be limited. Influenza can cause serious illness and complications, and vaccination helps protect individuals and prevent the spread of the virus. While vaccines for hepatitis A, varicella, and measles, mumps, rubella (MMR) are important, prioritizing influenza vaccination in this scenario is essential due to its seasonal prevalence and potential impact on public health.

Correct Answer: C

Rationale: When the infant suckles at the breast, oxytocin is released by the posterior pituitary to stimulate the 'letdown' reflex and contract the uterus to prevent uterine hemorrhage.