what is the purpose of the back-check valve on the primary line when using a secondary line?

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2007-03-29 16:22:10 · 2 answers · asked by alicia b 2 in Science & Mathematics ➔ Medicine

The back check valve will automatically cut off the primary
solution and allow the piggyback or secondary line medication to run.

2007-03-29 18:23:52 · answer #1 · answered by ♥ lani s 7 · 0⤊ 0⤋

it prevents the fluids in the secondary line from running upstream into the primary line.

2007-03-30 12:59:52 · answer #2 · answered by belfus 6 · 0⤊ 0⤋