EXSS 380 QUESTIONS AND ANSWERS
The term that describes the point of communication between an axon of cell A and the
dendrite of cell B is the - Answers :synapse
The _____ is most responsible for improving nerve conduction velocity - Answers
:schwann cells
What is not a function of a glial cell? - Answers :Transmit neurotransmitter into the
neuromuscular junction
The principle of dynamic polarization states that physiological action potentials within a
nerve cell only flow in one direction. - Answers :true
The cerebellum is considered _______________ to the frontal lobe of the brain -
Answers :caudal
This forebrain structure is the "gatekeeper" of sensory information, responsible for
routing information to the correct higher brain centers via third order neurons - Answers
:thalamus
The majority of neurons found in the nervous system are - Answers :interneurons
A bundle of nerve fibers running superior to inferior in the central nervous system are
referred to as a - Answers :tract
When at rest, the extracellular (outside cell) space is _____ charged relative to the
intracellular (inside cell) space - Answers :positively
_____ is in greatest concentration outside the cell while the neural membrane is at rest -
Answers :Na+
A patient has an inability developing motor programs, which brain region is most likely
affected? - Answers :premotor or motor association area
The motor neuron and the muscle fibers that it innervates is defined as the __________
- Answers :motor unit
Which type of muscle fiber is activated last during muscle contraction where the
contraction intensity is smoothly ramping to be more intense - Answers :α MN with a
diameter of 80 microns
Sensory information arising from receptors in the periphery enters the spinal cord
through neurons in theth - Answers :Dorsal potion of the spinal cord
, The ____ refers to the specific synapse between the α-motorneuron and the
sarcolemma, or muscle tissue - Answers :motor end plate
Which type of neuron conducts orthodromic nerve impulses toward the central nervous
system - Answers :Afferent
This is the area of the cerebrum that is activated (depolarized) before motor signals
descend to the spinal cord _____ - Answers :Primary motor cortex
The ________ area of the cerebral cortex is responsible for integration and
interpretation of information from peripheral receptors. - Answers :Somatosensory
association
Which of these phenomena are used to increase muscle contraction intensity (Select all
that apply for credit - Answers :motor unit recruitment; motor unit firing frequency (rate
coding)
Which of the following would be represented by the largest area (most neurons) of the
primary motor cortex? - Answers :muscle of hand
The _____ is associated with integration of sensory and motor information to produce
smooth movement by evaluating error between planned movement and actual
movement - Answers :cerebellum
The neuron responsible for bringing sensory information to the Thalamus is the ____
order neuron - Answers :second
the dorsal roots of spinal nerves contain - Answers :sensory neurons
more than half of the neurons in the brain are located in the - Answers :cerebellum
which type of sensory information is not conducted over the dorsal column medial-
lemniscal system? - Answers :pain
which is a benefit to a monosynaptic reflex - Answers :speed
Excitation of the Renshaw cell would _____ - Answers :Increase recurrent inhibition on
the motor neuron
The _____ neuron re-sensitizes or "re-sets" the muscle spindle allowing the receptor to
respond to a subsequent stretch of the muscle - Answers :gamma motor neuron
The primary motor cortex is responsible for executing a descending motor command
developed by the motor association area (or premotor area) - Answers :true
The term that describes the point of communication between an axon of cell A and the
dendrite of cell B is the - Answers :synapse
The _____ is most responsible for improving nerve conduction velocity - Answers
:schwann cells
What is not a function of a glial cell? - Answers :Transmit neurotransmitter into the
neuromuscular junction
The principle of dynamic polarization states that physiological action potentials within a
nerve cell only flow in one direction. - Answers :true
The cerebellum is considered _______________ to the frontal lobe of the brain -
Answers :caudal
This forebrain structure is the "gatekeeper" of sensory information, responsible for
routing information to the correct higher brain centers via third order neurons - Answers
:thalamus
The majority of neurons found in the nervous system are - Answers :interneurons
A bundle of nerve fibers running superior to inferior in the central nervous system are
referred to as a - Answers :tract
When at rest, the extracellular (outside cell) space is _____ charged relative to the
intracellular (inside cell) space - Answers :positively
_____ is in greatest concentration outside the cell while the neural membrane is at rest -
Answers :Na+
A patient has an inability developing motor programs, which brain region is most likely
affected? - Answers :premotor or motor association area
The motor neuron and the muscle fibers that it innervates is defined as the __________
- Answers :motor unit
Which type of muscle fiber is activated last during muscle contraction where the
contraction intensity is smoothly ramping to be more intense - Answers :α MN with a
diameter of 80 microns
Sensory information arising from receptors in the periphery enters the spinal cord
through neurons in theth - Answers :Dorsal potion of the spinal cord
, The ____ refers to the specific synapse between the α-motorneuron and the
sarcolemma, or muscle tissue - Answers :motor end plate
Which type of neuron conducts orthodromic nerve impulses toward the central nervous
system - Answers :Afferent
This is the area of the cerebrum that is activated (depolarized) before motor signals
descend to the spinal cord _____ - Answers :Primary motor cortex
The ________ area of the cerebral cortex is responsible for integration and
interpretation of information from peripheral receptors. - Answers :Somatosensory
association
Which of these phenomena are used to increase muscle contraction intensity (Select all
that apply for credit - Answers :motor unit recruitment; motor unit firing frequency (rate
coding)
Which of the following would be represented by the largest area (most neurons) of the
primary motor cortex? - Answers :muscle of hand
The _____ is associated with integration of sensory and motor information to produce
smooth movement by evaluating error between planned movement and actual
movement - Answers :cerebellum
The neuron responsible for bringing sensory information to the Thalamus is the ____
order neuron - Answers :second
the dorsal roots of spinal nerves contain - Answers :sensory neurons
more than half of the neurons in the brain are located in the - Answers :cerebellum
which type of sensory information is not conducted over the dorsal column medial-
lemniscal system? - Answers :pain
which is a benefit to a monosynaptic reflex - Answers :speed
Excitation of the Renshaw cell would _____ - Answers :Increase recurrent inhibition on
the motor neuron
The _____ neuron re-sensitizes or "re-sets" the muscle spindle allowing the receptor to
respond to a subsequent stretch of the muscle - Answers :gamma motor neuron
The primary motor cortex is responsible for executing a descending motor command
developed by the motor association area (or premotor area) - Answers :true
