13.下列何項屬於四類氧氣治療設備中的低流量系統?
(A)nasal cannula,O2 flow rate:3 L/min
(B)partial-rebreathing mask,O2 flow rate:10 L/min
(C)simple mask,O2 flow rate:6 L/min
(D)O2 tent,O2 flow rate:15 L/min
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統計: A(383), B(3), C(5), D(6), E(0) #2971557
統計: A(383), B(3), C(5), D(6), E(0) #2971557