Certified Healthcare Safety Professional (CHSP) Practice Exam

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Which type of oxygen is specifically mentioned for patients needing long-term oxygen therapy?

Compressed oxygen
Liquid oxygen
Oxy-acetylene
Medical air

The correct answer is: Liquid oxygen

Liquid oxygen is specifically mentioned for patients needing long-term oxygen therapy due to its advantages in storage and delivery. Liquid oxygen has a high density, which allows for more oxygen to be stored in a smaller volume compared to compressed gas. This is particularly beneficial for patients who require continuous or extensive use of oxygen therapy at home, as it reduces the frequency of needing to refill tanks. Moreover, liquid oxygen systems can provide a more consistent flow of oxygen over extended periods, making them ideal for patients with chronic respiratory conditions such as COPD or pulmonary hypertension. In contrast, while compressed oxygen can also be used, it typically requires larger tanks and more frequent refills, making it less convenient for long-term management. Oxy-acetylene is used primarily for welding and is not appropriate for medical use. Medical air, which is a mixture of gases, is not used for oxygen therapy but rather for providing a breathing gas for patients who do not need extra oxygen but require ventilatory support. Therefore, liquid oxygen stands out as the most suitable choice for long-term oxygen therapy.