The nurse is teaching a client who is scheduled to have an inferior vena cava filter inserted via the right femoral vein. which statement by the client requires further teaching?
1. "i need to make all health care providers aware of my filter before i have body scans."
2. "i need to stay active and avoid crossing my legs for extended periods when i get home."
3. "i should call the health care provider if i develop numbness, tingling, and swelling in my right leg."
4. "it is normal to have some chest or back discomfort for a few days after filter placement."