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Questions and Answers
What is the primary mechanism of carbon monoxide toxicity?
What is the primary mechanism of carbon monoxide toxicity?
- It directly damages mitochondria, preventing ATP production.
- It causes smooth muscle contraction, leading to tissue hypoxia.
- It induces cyanosis by binding to cytochrome oxidase.
- It binds to hemoglobin with higher affinity than oxygen, interfering with cellular respiration. (correct)
Which of the following is a characteristic sign of carbon monoxide poisoning?
Which of the following is a characteristic sign of carbon monoxide poisoning?
- Blue discoloration of the skin and mucous membranes.
- Severe muscle spasms and seizures.
- Cherry-red coloration of the blood. (correct)
- Rapid onset of respiratory failure.
Which of the following is NOT a potential effect of chronic, low-level carbon monoxide exposure?
Which of the following is NOT a potential effect of chronic, low-level carbon monoxide exposure?
- Hemolytic anemia. (correct)
- Increased risk of heart disease.
- Memory disturbances.
- Tiredness and lethargy.
Which of the following is the recommended treatment for severe carbon monoxide poisoning?
Which of the following is the recommended treatment for severe carbon monoxide poisoning?
Which of the following is a potential complication of carbon monoxide exposure during pregnancy?
Which of the following is a potential complication of carbon monoxide exposure during pregnancy?
Which of the following symptoms is associated with severe carbon monoxide poisoning?
Which of the following symptoms is associated with severe carbon monoxide poisoning?
What is the mechanism of carbon monoxide toxicity at the mitochondrial level?
What is the mechanism of carbon monoxide toxicity at the mitochondrial level?
Why does carbon monoxide poisoning lead to hypoxemia but no cyanosis?
Why does carbon monoxide poisoning lead to hypoxemia but no cyanosis?
What is the most common symptom associated with chronic low-level carbon monoxide exposure?
What is the most common symptom associated with chronic low-level carbon monoxide exposure?
Which symptom is pathognomonic for carbon monoxide poisoning?
Which symptom is pathognomonic for carbon monoxide poisoning?
Why should hyperbaric chambers be used in the treatment of CO poisoning?
Why should hyperbaric chambers be used in the treatment of CO poisoning?
What is a key characteristic of moderate carbon monoxide poisoning?
What is a key characteristic of moderate carbon monoxide poisoning?
How does carbon monoxide affect cellular respiration?
How does carbon monoxide affect cellular respiration?
What distinguishes severe carbon monoxide poisoning from mild and moderate cases?
What distinguishes severe carbon monoxide poisoning from mild and moderate cases?
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