Each of the Following Nerves Originates in the Lumbar Plexus

question 15

Multiple Choice

Each of the following nerves originates in the lumbar plexus except the ________ nerve.

• A) saphenous
• B) sciatic
• C) femoral
• D) obturator
• E) genitofemoral

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Definitions:

Chemoreceptors

Sensory cells or organs responsive to chemical stimuli, involved in detecting changes in the chemical composition of the environment or body.

Nociceptor

A sensory receptor that responds to potentially damaging stimuli by sending signals to the spinal cord and brain, which is interpreted as pain.

Substance P

A peptide involved in transmitting pain messages to the brain and is involved in inflammatory processes.

Interneurons

Neurons that transmit signals between sensory and motor neurons, playing a critical role in the central nervous system by integrating sensory input and motor output.