Nervous System 1

Front

Which part of the nervous system is responsible for skeletal muscle control? Options: autonomic, afferent, somatic, sympathetic

Back

somatic

Front

Which of these are collections of neuron cell bodies in the interior of the CNS? Options: nuclei, ganglia, centers, higher centers

Back

nuclei

Front

Changes in membrane potential that do not spread from the site of stimulation are called

Back

graded potentials

Front

Which of these occurs along unmyelinated axons at a speed of about one meter per second? Options: nodal propagation, continuous propagation, hillock-centered propagation, saltatory propagation

Back

continuous propagation

Front

Bundles of CNS axons that share a common origin, destination and function are called

Back

tracts

Front

Which of these describe an axon terminal? Options: axon hillock of a presynaptic neuron, knob-like ending of a postsynaptic neuron, proximal dendritic spine of a motor neuron, knob-like ending of a presynaptic neuron

Back

knob-like ending of a presynaptic neuron

Front

A mechanism for providing input to a single neuron from multiple sources is called

Back

convergence

Front

The second meningeal layer is known as

Back

arachnoid

Front

The dorsal root ganglia associated with the spinal cord contain what structures?

Back

cell bodies of sensory neurons

Front

In the spinal cord, visceral motor neurons that control smooth/cardiac muscle & glands are found in which part? Options: anterior gray horn, lateral white column, lateral gray horn, posterior gray horn

Back

lateral gray horn