Ahome health nurse visits a client with chronic obstructive pulmonary disease who requires oxygen. which statement by the client indicates the need for additional teaching about home oxygen use? (a) "i lubricate my lips and nose with k-y jelly."(b) "i make sure my oxygen mask is on tightly so it won't fall off while i nap."(c) "i have a 'no smoking' sign posted at my front door to remind guests not to smoke."(d) "i clean my mask with water after every meal."