The Brain Stem Includes All of the Following Structures EXCEPT

question 146

Multiple Choice

The brain stem includes all of the following structures EXCEPT:

• A)pons.
• B)thalamus.
• C)medulla.
• D)reticular activating system.

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Definitions:

AV Valves

The atrioventricular valves in the heart, which include the mitral valve and the tricuspid valve, regulating blood flow from the atria to the ventricles.

Efferent

Referring to the conduction of signals away from a central structure or organ, particularly in relation to nerve fibers transmitting impulses from the central nervous system to the periphery.

Afferent

Describes nerves or vessels that carry signals toward a central structure or the brain.

Precursors

Precursors are substances, cells, or chemical compounds that precede and are the origin or source of another substance or biological entity.