2. A ____________ contains a one-way valve with a reservoir,which does not allow exhaled air to enter the reservoir bag.It prevents inhalation of room air.

Name: 2. A ____________ contains a one-way valve with a reservoir,which does not allow exhaled air to enter the reservoir bag.It prevents inhalation of room air.
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The Answer of 2. A ____________ contains a one-way valve with a reservoir,which does not allow exhaled air to enter the reservoir bag.It prevents inhalation of room air.

2 a ____________ Contains a One-Way Valve with a Reservoir,which