Which of the following is caused by excessive shaking of a tube?

Rationale

Hemolysis is caused by excessive shaking of a tube.

Excessive shaking of a tube can lead to hemolysis, which is the breakdown of red blood cells, resulting in the release of hemoglobin into the surrounding fluid. This process often occurs due to mechanical stress on the cells, which can happen when samples are vigorously mixed or inverted.

A (Hemophilia) YOUR ANSWER

Hemophilia is a genetic disorder characterized by the inability of blood to clot properly due to deficiencies in specific clotting factors. It is not caused by mechanical actions such as shaking a tube, but rather by inherited genetic mutations affecting blood coagulation.

B (Hemoconcentration) YOUR ANSWER

Hemoconcentration refers to an increase in the concentration of cells and solids in the blood due to a decrease in plasma volume, often resulting from dehydration or fluid loss. While shaking a tube can change sample composition, it does not directly cause hemoconcentration.

D (Hemostasis) YOUR ANSWER

Hemostasis is the process that prevents and stops bleeding or hemorrhage. It involves complex interactions between blood vessels, platelets, and clotting factors. This physiological response is unrelated to the mechanical action of shaking a tube and does not result from it.

Conclusion

In summary, excessive shaking of a tube primarily causes hemolysis, resulting in the destruction of red blood cells and the release of hemoglobin. Other options like hemophilia, hemoconcentration, and hemostasis are not directly affected by shaking and represent different physiological processes or conditions. Understanding the effects of mechanical stress on blood samples is crucial for accurate laboratory analysis.

Which of the following is caused by excessive shaking of a tube?

Hemolysis is caused by excessive shaking of a tube.

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