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A person sits on the floor next to an orange machine emitting skull-shaped smoke, with a pipe and a wall-mounted alarm nearby.

Can you outsmart this carbon monoxide poisoning quiz or will you choke under pressure?

Poisons & Toxins

Difficulty

Medium

Questions

20

Volts

2/q

It’s the silent killer lurking in the furnace, odorless and invisible. One leak turns a living room into a death trap as hemoglobin swaps oxygen for a fatal alternative. Can you spot the symptoms before the clock runs out? Prove you can handle the pressure and beat the haze.

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