Splanchnic Nerves

question 37

Multiple Choice

Splanchnic nerves

• A) control sympathetic function of structures in the thorax.
• B) connect chain ganglia.
• C) are formed of parasympathetic fibers.
• D) originate from first- order neurons located in the upper five thoracic segments of the spinal cord.
• E) consist of axons that synapse in collateral ganglia.

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Definitions:

Parasympathetic Nervous System

A division of the autonomic nervous system responsible for conserving energy and lowering the heart rate, aiding in digestion and the maintenance of bodily functions at rest.

Reticular Activating

Part of the reticular formation in the brainstem that plays a crucial role in controlling arousal and consciousness.

Medulla Oblongata

The lower portion of the brainstem, responsible for regulating vital functions like heartbeat, breathing, and blood pressure.

Anticholinergic Side Effects

Side effects resulting from the blockade of acetylcholine receptors, including dry mouth, blurred vision, constipation, and urinary retention.