Susan Suffered from a Heart Attack

question 2

Multiple Choice

Susan suffered from a heart attack. When the doctors tested her heart muscle, they found that she had an increased ratio of lactic acid to pyruvate in her heart. Which of the following is the most likely cause of the skewed ratio?

• A) The heart cells must have received too much oxygen
• B) The heart cells had not received enough oxygen
• C) The heart cells accumulated to much carbon dioxide which poisoned her cells
• D) The lactic acid accumulated as a result of cellular respiration occurring too quickly
• E) The heart cells produced too much ATP

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