Test # 65
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1450 questions in 145 tests. Each test contains 10 questions.
Idiom of the Day
true to form
exactly as expected, following the usual pattern
True to form, our teacher refused to accept our papers late.
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Precautions while using Oxygen Therapy
Watch for signs of oxygen leaking from the container
Watch for signs of oxygen leaking from the container. If you hear a loud hissing from your tank or if it empties too fast, stay away from the container. Open windows to help clear out any extra oxygen in the room. Call the company that brought the oxygen system to your home right away. Do not use an extension cord with an oxygen concentrator. Also, do not plug the concentrator into an outlet that has other appliances plugged into it. Turn off your oxygen concentrator and use a backup oxygen system if you have any of the following problems. Call the company that brought the oxygen system to your home to tell them of your problems.