Which drug is also called crack and can cause an overdose that may result in seizures or heart or respiratory failure, even when used in small amounts? a. cocaine b. lsd c. marijuana d. methamphetamine

Drug called crack is a) cocain, the name 'crack' comes from the fact of cracking sound cocain rock made when it's heated up.

Cocain is stimulant of the brain. It can cause seizure because it disrupt brain activity leading to heart attack. Those who snort cocain may have respiratory problem due to residue of cocain in the respiratory passages.

The answer is a) cocain

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