Mr. Epperson was lifting a heavy piece of furniture when he experienced crushing

Question

Mr. Epperson was lifting a heavy piece of furniture when he experienced crushing pain in his chest, began sweating heavily, and was nauseated. His wife drove him to the hospital, where he was diagnosed with a myocardial infarction (heart attack) and given intravenous drugs to dissolve a clot that was obstructing a major coronary artery. After his hospitalization, Mr. Epperson's doctor told him that some of his heart muscle had died Match the questions with the correct answers regarding the cell injury in Mr. Epperson's heart 1. Mr. Epperson's myocytes were initially injured by 2. Ischemia injures cells faster than _alone. 3. Reversible myocyte swelling was caused by lack of A. hypoxia B. sodium C. oxygen D. ATP to fuel ion pumps. 4. Irreversible myocyte injury occurred when mitochondrial E. ischemia and plasma were disrupted. F. necrosis G. reperfusion H. membranes 5. Dissolving the blood clot rescued some myocytes by providing for generating ATP. 6. Dissolving the blood clot damaged some myocytes by injury . apoptosis chest pain nausa

Explanation / Answer

1. Mr. Epperson's myocytes were initially injured by ischemia.

2. Ischemia injures cells faster than hypoxia alone.

3. Reversible myocyte swelling was caused by lack of ATP to fuel ion pumps.

4. Irreversible myocyte injury occurred when mitochondrial and plasma membranes were disrupted.

5. Dissolving the blood clot rescued some myocytes by providing oxygen for generating ATP.

6. Dissolving the blood clot damaged some myocytes by reperfusion injury.

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