The Most Common Source of Infection in the Central Nervous

question 3

Multiple Choice

The most common source of infection in the central nervous system is

• A)hematogenous spread.
• B)infections at other sites such as otitis media.
• C)organisms gaining access because of anatomic defects in central nervous system structures.
• D)bacteria that are able to travel along nerves leading to the brain.

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Definitions:

Thrombin

A protein in the blood that triggers blood coagulation by transforming fibrinogen into fibrin.

Fibrinogen

A blood plasma protein that's converted into fibrin during blood clot formation to stop bleeding.

Activated Factor XII

A component of the blood clotting cascade that initiates the intrinsic pathway of blood coagulation upon activation.

Thrombus

A blood clot that forms within a blood vessel and remains there, which can obstruct blood flow.