This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Which of the following can be given as a transdermal patch 
Select and explain. 
A. Flavoxate, B. Tolterodine, C. Oxybutynin, D. Aripiprazole
C: Oxybutynin
Answer: C: Oxybutynin 
Explanation: Oxybutynin is an anticholinergic that can be given as transdermal patch to control bladder overactivity.