An Important Preanalytical Variable Is Associated with the Use or Non-Use

question 4

Multiple Choice

An important preanalytical variable is associated with the use or non-use of anticoagulants.Which of the following statements related to use or non-use of anticoagulants are correct?
1) The measured total protein level is the same in serum and heparinized plasma.
2) Platelets release potassium during clotting.
3) The use of EDTA plasma will falsely decrease plasma calcium.
4) Heparinized plasma is preferred over serum for cardiac marker evaluation.

• A)1, 2, 3, 4
• B)1, 2, 3
• C)2, 3, 4
• D)1, 3, 4

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Definitions:

Characteristics of Culture

The characteristics of culture refer to the shared values, norms, beliefs, and practices that define a group or society, influencing behaviors and interactions among its members.

Reflection Hypothesis

The idea that the mass media reflect the values of the general population.

Observations

The act of carefully watching and analyzing phenomena or behaviors in order to gather data and understand situations.

Appeals to Ethnocentrism

The act of invoking a sense of superiority or preference for one's own cultural, ethnic, or national group over others.