The nurse provided oxygen device safety education to a client and their family. Which statement by the client indicates a need for further education?

"I should not smoke or allow anyone who is smoking to get close to me when I have my oxygen on."

"I should secure all of my oxygen tanks at my house so they do not fall over and get damaged or rupture."

"If I choke and cannot breathe, I should turn the oxygen flowmeter up to help me get more oxygen."

"I need to keep an extra portable tank with me when I am away from home so I do not run out of oxygen."