Concerning the use of humidified oxygen, which of the following is true?
A) The water reservoir should be changed on a weekly basis.
B) It is not of great benefit during short transports but can make the patient more comfortable.
C) The water in the reservoir should be treated with chlorine tablets to prevent the growth of bacteria.
D) It should only be used when assisting ventilations with a bag-valve-mask device.
Question 2
You have been asked to present a continuing education session on body mechanics and posture. In your presentation, you would advise the participants that proper posture is achieved when your:
A) ears, shoulders, and feet are vertically aligned when sitting.
B) abdomen and buttocks are positioned slightly to the posterior when standing.
C) body weight is evenly distributed over the thoracic spine when sitting.
D) ears, shoulders, and hips are vertically aligned when standing.
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