Correct Answer: D

Rationale: A serum sodium level of 130 mEq/L indicates hyponatremia, which requires immediate intervention in a client with SIADH.

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.

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: Jugular vein distention indicates increased central venous pressure, which requires immediate intervention in a client with pneumonia.

Correct Answer: B

Rationale: Exploring the client's dietary habits and challenges helps the nurse understand the barriers to maintaining a healthy diet and tailor the intervention accordingly.