The Two Main Structures of the Brain Stem Are The

question 211

Multiple Choice

The two main structures of the brain stem are the:

• A) hippocampus and the amygdala.
• B) cerebellum and the thalamus.
• C) thalamus and the hypothalamus.
• D) medulla and the pons.

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Definitions:

Pelvic Splanchnic Nerves

Nervous system fibers that originate from the sacral spinal nerves, innervating the pelvic organs.

Spinal Nerves

Nerves that originate from the spinal cord, conveying motor, sensory, and autonomic signals between the spinal cord and the body.

Adrenergic

Relating to nerve cells or fibers that release adrenaline (epinephrine) or noradrenaline (norepinephrine) as a neurotransmitter.

Postganglionic Sympathetic

Refers to the neurons in the sympathetic nervous system that transmit nerve impulses away from the ganglia to target organs.