In Prenatal Development, the Period from 3 to 8 Weeks

question 7

Multiple Choice

In prenatal development, the period from 3 to 8 weeks is the critical period of __________, during which all major organs develop.

• A) organogenesis
• B) vernix caseosa
• C) myelination
• D) trophoblast

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Definitions:

Synapses

The junctions through which neurons communicate with other neurons, muscle cells, or gland cells.

Absolute Thresholds

The minimum stimulus energy needed to detect a particular stimulus 50% of the time.

General Tendency

A common or widespread inclination, pattern, or trend among people or phenomena.

Absolute Threshold

The minimum intensity of a stimulus that one can detect at least 50% of the time, which varies from one individual to another and for different senses.