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What effect can a recent or fatty meal have on a blood sample?

a) It causes hemolysis
b) It leads to clot formation
c) It induces lipemia
d) It increases leukocyte count

1 Answer

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Final answer:

A recent or fatty meal can induce lipemia in a blood sample, causing the plasma to become milky and potentially interfere with blood test results.

Step-by-step explanation:

A recent or fatty meal can induce lipemia in a blood sample. Lipemia is the presence of a high concentration of lipids or fats in the blood, which can make the plasma appear milky or cloudy. These elevated fat levels can interfere with certain blood tests by either directly affecting the chemical reactions in the test or making it difficult to obtain accurate measurements due to the increased turbidity of the sample. Lipemia does not cause hemolysis, lead to clot formation, nor increase leukocyte count directly. However, the physical interference of the lipids in lipemia can lead to technical challenges and potentially erroneous lab results if not accounted for.

Regarding the related questions:

  • The redness of inflammation is caused by increased blood flow due to vasodilation.
  • The buffy coat is the portion of a blood sample that contains leukocytes and platelets, not proteins.
  • In the case of thalassemia, excessive destruction of erythrocytes leads to increased levels of plasma bilirubin causing jaundice.

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