You should ABSOLUTELY call your veterinarian back immediately to clarify anything you have questions about.
1	You	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	4	nsubj	4:nsubj	_
2	should	should	AUX	MD	VerbForm=Fin	4	aux	4:aux	_
3	ABSOLUTELY	absolutely	ADV	RB	_	4	advmod	4:advmod	_
4	call	call	VERB	VB	VerbForm=Inf	0	root	0:root	_
5	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	6	nmod:poss	6:nmod:poss	_
6	veterinarian	veterinarian	NOUN	NN	Number=Sing	4	obj	4:obj	_
7	back	back	ADP	RP	_	4	compound:prt	4:compound:prt	_
8	immediately	immediately	ADV	RB	_	4	advmod	4:advmod	_
9	to	to	PART	TO	_	10	mark	10:mark	_
10	clarify	clarify	VERB	VB	VerbForm=Inf	4	advcl	4:advcl:to	_
11	anything	anything	PRON	NN	Number=Sing|PronType=Ind	10	obj	10:obj	_
12	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	13	nsubj	13:nsubj	_
13	have	have	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	11	acl:relcl	11:acl:relcl	_
14	questions	question	NOUN	NNS	Number=Plur	13	obj	13:obj	_
15	about	about	ADP	IN	_	14	nmod	14:nmod	SpaceAfter=No
16	.	.	PUNCT	.	_	4	punct	4:punct	_
