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sveticcg [70]
2 years ago
14

_____ could be partly responsible for rendering fire fighters and civilians incapable of self-rescue when exposed to smoke

Social Studies
1 answer:
Nina [5.8K]2 years ago
7 0

When exposed to smoke, hydrogen cyanide may play a role in rendering firemen and bystanders incapable of performing self-rescue.

HCN is a toxin that spreads throughout the body; it is hazardous because it inhibits cytochrome oxidase, which stops cells from using oxygen. Loss of awareness, respiratory arrest, and finally death arise from inhibition of the last stage of electron transport in brain cells.

Higher HCN exposures cause cardiovascular collapse, tremors, cardiac arrhythmia (which may not manifest for two to three weeks after the fire exposure), coma, respiratory depression, and respiratory arrest. Inhaling minute concentrations of hydrogen cyanide can result in headaches, weakness, nausea, and vomiting. Larger doses might result in fainting, convulsions, gasping, fast pulse, irregular heartbeat, and even death. In general, the severity of the symptoms increases with the seriousness of the exposure.

Learn more about hydrogen cyanide:

brainly.com/question/27179806

#SPJ4

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This question is missing the excerpt with the flashback. I've found the complete question online. It is the following:

Because of the baseball schedule, Stanley’s trial was delayed several months. His parents couldn’t afford a lawyer. “You don’t need a lawyer,” his mother had said. “Just tell the truth.”

Stanley told the truth, but perhaps it would have been better if he had lied a little. He could have said he found the shoes in the street. No one believed they fell from the sky.

Based on this flashback, how does Stanley feel about what happened in the past?

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Answer:

Based on the flashback, this is what Stanley feels:

C. He thinks that the truth was too unbelievable.

Explanation:

It was Stanley's mother's idea for him to tell the truth. But now, looking back, he realizes that it may not have been a good idea:

<em>Stanley told the truth, but perhaps it would have been better if he had lied a little. He could have said he found the shoes in the street. </em><em>No one believed they fell from the sky. </em>

<u>The truth was too unbelievable. No one would see any veracity in Stanley telling them the shoes fell from the sky. It sounds like a big lie or, at least, like wild imagination. If Stanley had at least come up with a more believable story - such as finding the shoes in the street -, things might have been different.</u>

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