NREMT Paramedic Practice

What unique physical sign is often associated with cyanide exposure?

1. Characteristic odor of burnt toast

2. Sweet breath odor

3. Characteristic odor of bitter almonds

4. Metallic taste in the mouth

The correct answer is: Characteristic odor of bitter almonds

Cyanide exposure is specifically associated with the characteristic odor of bitter almonds. This distinctive scent is a key indicator that can help in identifying potential cyanide poisoning, as the compound is known for emitting this odor when it is present. While the other options may describe other substances or conditions, they do not accurately reflect the unique signs associated with cyanide. For instance, the odor of burnt toast is sometimes linked to other types of smoke inhalation but is not specific to cyanide. A sweet breath odor might be associated with other environmental exposures or metabolic conditions, such as with diabetic ketoacidosis. Lastly, a metallic taste can arise from various sources and is not indicative of cyanide specifically. Recognizing the characteristic signs of cyanide exposure is essential for prompt identification and treatment in emergency medical situations.