In the Inferior Segments of the Spinal Cord, in Which

question 71

Multiple Choice

In the inferior segments of the spinal cord, in which spinal segments do the parasympathetic autonomic nuclei lie?

• A) L4-L5
• B) T7-T12
• C) S2-S4
• D) T8-L5
• E) L3-S2

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Definitions:

Tay-Sachs Disease

A genetic disorder that destroys nerve cells in the brain and spinal cord progressively due to the absence of a vital enzyme, leading to severe neurological disability and death.

Genetic Drift

Refers to the random fluctuations in the frequency of alleles within a population over time, not due to natural selection.

Sympatric Speciation

Speciation pattern in which speciation occurs within a population, in the absence of a physical barrier to gene flow.

Physical Barrier

Any natural or artificial structure that blocks or limits movement, spread, or access of organisms or materials.