Final answer:
Nutrition and fluid intake are important for preventing and managing infections. Good nutrition supports the immune system, and rehydration therapy is essential for treating conditions such as Salmonella infections, especially in immunocompromised patients.
Step-by-step explanation:
The statement that nutrition and fluid intake play no part in helping prevent infection is false. Good nutrition is essential for a strong immune system, which can help to ward off infections. Regarding fluid intake, rehydration therapy is particularly important in the case of Salmonella infections. Replacing lost fluids helps diminish the effects of dehydration, improving the condition of the patient while the body resolves the infection naturally. In certain cases, like with HIV/AIDS patients, preventing dehydration is critical as their immune systems are more compromised.