Solve the Equation. -

question 47

Multiple Choice

Solve the equation.
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Definitions:

Reflexes

Automatic, involuntary responses to external stimuli, present at birth and often used to assess neurological function.

Excitability

The quality of being easily stimulated or responsive to stimuli, often leading to rapid changes in behavior.

Embryonic Period

The stage of prenatal development from fertilization of the egg to the end of the eighth week, where major organs and structures begin to develop.

Teratogens

Environmental agents that can cause birth defects or developmental malformations if exposed to a fetus.