( ( Blood gases ) ( ( may ( be ( used ( to ( detect ( ( ( metabolic acidosis ) and ) ( ( the degree ) ( of ( respiratory compensation ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Blood) (NNS gases)) (VP (MD may) (VP (VB be) (VP (VBN used) (S (VP (TO to) (VP (VB detect) (NP (NP (JJ metabolic) (NNS acidosis)) (CC and) (NP (NP (DT the) (NN degree)) (PP (IN of) (NP (JJ respiratory) (NN compensation))))))))))) (. .)))
Blood gases may be used to detect metabolic acidosis and the degree of respiratory compensation.
(ROOT (S (NP (JJ Respiratory) (NNS acidosis)) (VP (VBZ is) (VP (VBN considered) (S (VP (TO to) (VP (VB be) (ADJP (JJ problematic) (PP (IN because) (NP (NP (JJ excess) (NNS co2)) (PP (IN in) (NP (NN blood))))))))))) (. .)))