Mr. Johnson was lifting a heavy piece of furniture when he began to experience h

Question

Mr. Johnson was lifting a heavy piece of furniture when he began to experience heavy sweating, nausea, and a crushing pain in his chest. He was taken to the hospital and diagnosed with a myocardial infarction (heart attack). He was given intraovenous drugs to dissolvea clot that was obstructing a major coronary artery. Following his hospitalization, the doctor told him that part of his heart muscle had died.

Match the questions (numbered 1-6) with the correct answers (letters A-I) regarding the cell injury to Mr. Johnson's heart:

1. Mr. Johnson's monocytes were initially injured by _______.

2. Ischemia injures cells faster than ________ alone.   

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

4. Irreversible myocyte injury occured hen mitochondrial plasma _____ were dissrupted.

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

6. Dissolving the blood clot samaged some myocytes by _______ injury.

A. Hypoxia

B. Sodium

C. Oxygen

D. ATP

E. Ischemia

F. Necrosis

G. Reperfusion

H. Membranes

I. Apoptosis

Explanation / Answer

Ans:

Regarding the cell injury to Mr. Johnsons heart:

1. Mr. Johnsons monocytes were initially injured by Ischemia.

2. Ischemia injures cell faster than hypoxia alone.

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

4. Irreversible monocyte injury occured when mitochondrial plasma membranes were disrupted.

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

6. Dissolving the blood clot damaded some monocytes by reperfusion injury.

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