When Does the Placenta Become Sufficiently Functional to Continue the Pregnancy

question 3

Multiple Choice

When does the placenta become sufficiently functional to continue the pregnancy?

• A)after one week
• B)after one month
• C)after nine weeks
• D)after the first trimester
• E)after the second trimester

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Definitions:

Red Pulp

A component of the spleen consisting of blood-filled venous sinuses and splenic cords, involved in the filtration of blood and removal of old or damaged red blood cells.

Spleen

An organ involved in the production and removal of blood cells and part of the immune system.

Innate Immunity

A part of the immune system that provides immediate defense against infection but does not confer long-lasting or protective immunity to the host.

Adaptive Immunity

The component of the immune system that is characterized by memory and specificity, allowing for an enhanced response to subsequent encounters with antigens.