The Incidence Rate

question 21

Multiple Choice

The incidence rate:

• A) Refers to the number of new cases of disease or deaths
• B) Sometimes measures the total number of cases of disease even if they are not new
• C) Both a and b
• D) Neither a nor b

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Definitions:

Extrinsic Pathway

One of the pathways that initiate the blood coagulation process, triggered by external trauma that causes blood to escape from the vascular system.

Thromboplastin

A complex enzyme that triggers blood coagulation by converting prothrombin to thrombin.

Tissue Factor III

A protein that initiates blood clotting by activating coagulation cascade.

Factor VII

A protein in the blood that plays a crucial role in the clotting process, initiating the extrinsic pathway of blood coagulation.