During Which Specific Period of Pregnancy Will Teratogens Have Their

question 83

Multiple Choice

During which specific period of pregnancy will teratogens have their most negative impact?

• A)the first trimester
• B)the embryonic stage
• C)the germinal stage
• D)the second trimester

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Definitions:

Limbic System

A complex system of nerves and networks in the brain, involved in basic emotions such as fear and pleasure, as well as instincts and mood control.

Medulla

The inner region of an organ or tissue, or specifically, the lower part of the brainstem which is involved in regulating vital body functions such as heart rate and breathing.

Sensory Information

Information processed by the sensory systems, encompassing inputs from senses such as sight, hearing, smell, taste, and touch that is used by the organism to interpret the environment.

Breathing

The process of inhaling and exhaling air to facilitate gas exchange with the internal environment, primarily by bringing in oxygen and flushing out carbon dioxide.