What is the recommended first response to exposure to VX nerve gas?

• A. Stay indoors and seal the room
• B. Administer antidote only after symptoms
• C. Move to fresh air, wash skin; drugs have limited effectiveness
• D. Do nothing until medical help arrives

Answer: (C)

Immediate first aid for VX exposure focuses on stopping further absorption by getting away from the source and starting decontamination right away. Moving to fresh air reduces inhalation exposure, which is a key route for this toxin. VX can be absorbed rapidly through the skin, so washing exposed skin with soap and water and removing contaminated clothing minimizes dermal absorption. Antidotes like atropine and pralidoxime are important but their effectiveness depends on rapid administration by trained responders and they do not substitute for prompt decontamination; delaying decontamination or waiting for symptoms can allow more agent to enter the body. Staying indoors and sealing the room would trap vapors, waiting for symptoms would delay critical care, and doing nothing until help arrives is unsafe. The best first response is to move to fresh air, wash the skin, and seek medical care promptly.