The Fetal Period Extends from the Beginning of Week 4

question 34

True/False

The fetal period extends from the beginning of week 4 until the end of week 8.

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Definitions:

Serotonin

A neurotransmitter involved in regulating mood, sleep, appetite, and pain, among other functions.

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response, playing a key role in regulating heart rate, blood pressure, and alertness.

Unipolar Depression

A major depressive disorder characterized by a persistent feeling of sadness or lack of interest in outside stimuli, without episodes of mania.

Genetic Markers

Genetic markers are specific sequences of DNA or genetic variants that can be used to identify individuals, populations, or to associate with inherited traits or diseases.