AEMCA Practice Exam

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What is an example of a cardiotoxin?

Benzene
Ethylene Glycol
Lead
Chloroform

The correct answer is: Ethylene Glycol

Ethylene glycol is classified as a cardiotoxin because it can have damaging effects on the cardiovascular system. When ingested, ethylene glycol is metabolized into toxic compounds that can lead to metabolic acidosis and disrupt normal heart function. This substance also has the potential to cause damage to the heart muscle, which can result in arrhythmias and other serious complications affecting the cardiac system. The other substances listed do not primarily target the cardiovascular system in the same way. Benzene is known for its carcinogenic effects, but it is not specifically categorized as a cardiotoxin. Lead can cause various forms of toxicity, but its primary concerns relate more to neurological and hematological effects rather than direct cardiac damage. Chloroform is primarily recognized for its effects on the liver and central nervous system, lacking a direct association with cardiotoxicity. Therefore, ethylene glycol stands out in this context as the example of a compound that directly affects the heart and overall cardiovascular health.