In a thrombus, the dark lines of zahn are due to_______________?
Correct answer: B. Aggregated R.B.C
- A. Coagulated fibrin
- B. Aggregated R.B.C
- C. Aggregated platelets
- D. Aggregated proteins
Explanation
Lines of Zahn are alternating pale platelet-fibrin layers and darker red-cell-rich layers formed in flowing blood. The dark lines are therefore mainly due to aggregated red blood cells.
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