The answer is Both 1 and 3
Avoid smoking and using tobacco products. Be physically active every day. Eat a heart-healthy diet. Keep a healthy weight. Keep your blood pressure healthy. Keep your total cholesterol healthy. Keep your blood sugar healthy.
I would say the best answer would be B) is the information up to date?
The other three aren’t necessary (illustrations, online, and being in US).
It needs to be current and accurate.
1 - inhale for 3 seconds, hold breath for 4 seconds, and breath out for 7 seconds.
2 - find a stable aspect of your life and focus on it in moments you think a panic attack is going to happen or is happening
3 - step out of the situation on hand