Which of These Does Not Prevent the Spontaneous Formation of a Clot

question 19

Multiple Choice

Which of these does not prevent the spontaneous formation of a clot?

• A) The presence of tissue thromboplastin
• B) The smooth prostacyclin-coated endothelium of blood vessels
• C) The dilution of thrombin when blood flows at a normal rate
• D) The presence of antithrombin in plasma
• E) The presence of heparin in plasma

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Definitions:

Repetition

The act or process of repeating something, often used as a method of learning or emphasizing.

Confounding Variables

Variables that the researcher failed to control or eliminate, potentially leading to a false association between the studied variables.

Random Assignment

A method used in experiments that assigns participants to different groups using randomization, ensuring each participant has an equal chance of being in any group.

Informed Consent

The process of obtaining permission from a person before conducting a healthcare intervention, after providing adequate information about the risks and benefits.