Which of the Following Is True About the Pyramidal Tract

question 58

Multiple Choice

Which of the following is true about the pyramidal tract?

• A)Its destination is the primary somatosensory cortex.
• B)It descends to the medulla oblongata,where most fibers decussate and descend on the contralateral side of the body.
• C)It descends from the primary motor cortex on the ipsilateral side of the body.
• D)It connects the right and left cerebral hemispheres.

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Definitions:

Lethal Dosage

The amount of a substance required to cause death in a living organism, often abbreviated as LD.

Mg

The chemical symbol for magnesium, a shiny gray solid that has the atomic number 12 and is an essential element for living cells.

Arsenic

A toxic metalloid with the symbol As, known for its various allotropes and compounds, many of which are potent poisons.

Poison

Any substance that, when introduced into or absorbed by a living organism, causes death or harm by its chemical action.