<prompt> All of the following are true about Metoclopramide exceptIt is an antiemetic which blocks 5HT3 receptorsIt has prokinetic action by 5HT4 agonismIt has D2 blocking action resulting in extrapyramidal side effectsIt can be used for L - Dopa induced vomiting  <response>: Metoclopramide crosses blood brain barrier because of D2 blocking action can reduce the efficacy of L-Dopa. Therefore can not be used in L-Dopa induced vomiting. 