Correct (2): Scopolamine patch is applied behind the ear ≥4 hours before travel; the lipophilic drug is absorbed slowly. Wash hands after handling — touching the eye causes anisocoria and blurred vision. Lasts 72 hours. (1) Not abdomen; specific behind-ear site. (3) Cutting destroys controlled release. (4) Overdose risk.
In-depth explanation
Memory Tip Scopolamine = "Behind the ear, hands washed, 72 hours." Anticholinergic effects: dry mouth, drowsiness, blurred vision, urinary retention.
For study reference only. Always follow current clinical guidelines and your institution’s protocols.