At About What Point in Gestation Does the Fetal Heartbeat

question 44

Multiple Choice

At about what point in gestation does the fetal heartbeat become audible by stethoscope and the fetus's movements easily felt by the mother?

• A)15 weeks
• B)20 weeks
• C)25 weeks
• D)30 weeks

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Definitions:

Coral Reefs

Underwater ecosystems characterized by reef-building corals, which are colonies of tiny living animals found in marine waters that contain few nutrients.

Biological Indicators

Organisms or components of organisms that are used to assess the health of a natural ecosystem or the presence of pollutants.

Bathyal Zone

A region of the ocean depths ranging from 200 to 2,000 meters below the surface, characterized by its limited light penetration and distinct marine life.

Phytoplankton

Microscopic plant-like organisms that live in aquatic environments, capable of photosynthesis, and form the base of the oceanic food chain.