Final answer:
The nurse should advise the mother to follow the standard immunization schedule for her child with cystic fibrosis to prevent diseases and complications, and to contribute to herd immunity.
Step-by-step explanation:
When providing instructions to a mother of a child with cystic fibrosis regarding the immunization schedule for the child, the nurse should recommend option (b): Follow the standard immunization schedule recommended for all children. This is important because children with cystic fibrosis are at higher risk for complications from diseases such as the flu. Therefore, getting the recommended vaccinations can help prevent such diseases and serious complications. Additionally, vaccinations contribute to herd immunity, which protects not only the vaccinated individuals but also those who cannot be vaccinated, such as people with weakened immune systems. The flu vaccine, in particular, is highly recommended yearly for those at risk, including individuals with chronic lung diseases such as cystic fibrosis.