NURSING EXAM QUESTIONS
TOXICOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In a death that resulted from asphyxiation due to carbon monoxide poisoning, what happened internally to cause death?
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Carbon monoxide combines with the hemoglobin to prevent oxygen from being transported throughout the body
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oxygen combines with the hemoglobin to prevent carbon monoxide from being transported throughout the body
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carbon monoxide will cause the red blood cells to alter their shape and prevent them from transporting oxygen throughout the body
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carbon monoxide gas builds up in the lungs and prevents the absorption of oxygen by the alveoli
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Explanation:
Detailed explanation-1: -When carbon monoxide binds to hemoglobin, less oxygen gets transported to body tissues and vital organs such as the brain and heart. The bond between carbon monoxide and hemoglobin is approximately 250 times stronger than the bond between oxygen and hemoglobin.
Detailed explanation-2: -Carbon monoxide symptoms mimic the flu: headaches, fatigue, nausea, dizziness, confusion, and irritability. Continued exposure can lead to vomiting, loss of consciousness, brain damage, heart irregularity, breathing difficulties, muscle weakness, abortions and even death.
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