Where Are the Preganglionic Neurons of the Sympathetic Nervous System

question 49

Multiple Choice

Where are the preganglionic neurons of the sympathetic nervous system located?

• A) cranial nerves and the lumbar region of the spinal cord
• B) cervical region and sacral region of the spinal cord
• C) cranial nerves and the sacral region of the spinal cord
• D) thoracolumbar region of the spinal cord

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Definitions:

Lactose

A disaccharide sugar found in milk and dairy products, which is broken down into glucose and galactose by the enzyme lactase.

Lac Operon

A set of genes and their control sequences that are responsible for the metabolism of lactose in bacteria.

RNA Polymerase

An enzyme that catalyzes the transcription of DNA into RNA, initiating the transfer of genetic information.

Glucose Concentrations

The amount of glucose present in the blood, important in the diagnosis and management of diabetes and other metabolic disorders.