KIN 2500 Final Exam SI Session

What are the three layers of the meninges?

• dura, arachnoid, pia

• pia, skeletal, dura

• dura, cerebrospinal fluid, pia

• cerebrospinal

  fluid, epidural space, bones

Where is the cauda equina in the spinal cord?

• Cervical region

• Lower lumbar and sacral regions

• Cervical, thoracic, and upper lumbar regions

• Cervical and thoracic regions

What does gray matter in the spinal cord contain?

• Unmyelinated and myelinated axons forming tracts

• Spinal nerves

• Cerebrospinal

  fluid

• Cell bodies dendrites, unmyelinated axons, axon terminals, neuroglia

Which side of the cord do the spinal tracts run?

• Left

• Right

• Both left and right

• Neither left or right

Spinal nerves are not mixed nerves.

• True

• False

Where do sensory fibers enter the spinal cord?

• Ventral root

• Dorsal root

• Lateral funiculus

• Anterior funiculus

Where do third order neurons conduct information?

• Laterally across the spinal spinal cord.

• From neck, trunk, limbs

• From the thalamus to the somatosensory area in cerebral cortex

• Up the spinal cord and into the brain stem

Are upper and lower motor neurons ascending or descending?

• Ascending

• Descending

Reflexes do not require information from the brain.

• True

• False

What components are involved in a somatic reflex?

• Spinal cord

• Somatic receptor and an effector muscle

• Somatic receptor, sensory neuron, brain, first and second order neuron, and an effector muscle

• Somatic receptor, sensory neuron, interneuron, motor neuron, and an effector muscle