Exam 14: Nervous System: Spinal Cord and Spinal Nerves

If a patient experiences numbness in the boundaries of a dermatome, it is suggestive of damage to

A monosynaptic response is one that does not involve an interneuron.

Anatomy of the spinal cord & spinal nerves. -This figure shows an anterior view of the spinal cord and meninges. What structure does number 3 indicate?

Lower motor neurons are always excitatory.

The lateral funiculus contains both ascending and descending tracts.

Which of the following lists the components of the brachial plexus in correct order starting with the most medial?

Information about temperature, proprioception, and pressure from skin, joints, and muscles is conveyed by

The tapered, conical inferior end of the spinal cord is called the conus

An individual tract within the spinal cord contains either sensory nerve signals or motor nerve signals only.

Which of the following accurately compares sections of spinal white matter?

The spinal dura mater contains an outer periosteal layer and an inner meningeal layer.

The white matter of the spinal cord is surrounded by its grey matter.

The direct motor pathway originates in the

Anatomy of the spinal cord & spinal nerves. -This figure shows neuron pathways and nuclei locations. What type of nuclei does number 2 indicate?

The spinal nerves that give rise to the sacral plexus are

Anatomy of the spinal cord & spinal nerves. -This figure shows a cross section of the spinal cord. What structure does number 3 indicate?

Clonus often accompanies a ________ reflex after damage has occurred to the brain.

Which space associated with the spinal cord meninges contains cerebrospinal fluid?

In a common reflex arc, after a sensory nerve signal is processed by interneurons in the integration center, where does the signal go next?

Where the sciatic nerve splits, it branches directly to the