Which type of toxicant impairs blood function?

• A. Neurotoxicant
• B. Hemotoxicant
• C. Asphyxiant
• D. Carcinogen

Answer: (B)

The correct answer is the type of toxicant known as a hemotoxicant. Hemotoxicants specifically affect the blood and its ability to function properly, meaning they can interfere with blood cells, disrupt the ability of blood to carry oxygen, or affect the overall clotting mechanisms in the body. This impairment can lead to serious health issues, as the blood plays a critical role in transporting oxygen, nutrients, and immune responses throughout the body.

Neurotoxicants target the nervous system and can cause various neurological effects, but they do not directly affect the blood functions. Asphyxiants, on the other hand, compromise the body's ability to breathe or receive oxygen by displacing oxygen in the air or interfering with the body's use of oxygen, but again, they do not specifically impair blood function itself. Carcinogens are substances that can lead to cancer but do not pertain to immediate effects on blood function.