This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti-Neoplastic Agents, Subject name: Pharmacology
Which of the following drug is NOT effective against chemotherapy induced vomiting? 
Select and explain. 
A. Aprepitant, B. Hyoscine, C. Metoclopramide, D. Ondansetron
B: Hyoscine
Answer: B: Hyoscine 
Explanation: Ans. (b) HyoscineRef: KDT 6th ed. / 646-47