Neuroscience Final ENMU (Linda Weems) Questions and Answers Solved Correctly Rated 100%
The nervous system can be divided into two major parts: - Answers Central and peripheral nervous
systems
The central nervous system is comprised of... - Answers Brain and spinal cord
saggital plane divides brain into: - Answers Left and right
Horizontal plane (transverse plane) divides brain into: - Answers Top and bottom
coronal plane (frontal plane) divides brain into: - Answers Front and back
Posterior spinal cord: - Answers Dorsal
Inferior cerebrum: - Answers Ventral
Anterior spinal cord: - Answers Ventral
Superior cerebrum: - Answers Dorsal
Posterior cerebrum - Answers Caudal
superior spinal cord: - Answers Rostral
Anterior cerebrum: - Answers Rostral
inferior spinal cord: - Answers Caudal
Two types of cells in nervous system: - Answers neurons and glial cells
Cell made for signaling and communicating: - Answers Neuron
Neurons receive input through the... - Answers Cell body or dendrites
The signal is transmitted along the.. - Answers Axon
An involuntary response to some type of stimulus - Answers Reflex
Reflexes must minimally include a... - Answers Sensory neuron and a motor neuron
Most axons are covered with... - Answers Myelin (white)
The portion of the neuron that transmits the action potential is the... - Answers Axon
Microglia - Answers Consume harmful substances
Astrocyte - Answers helps form the blood-brain barrier
Oligodendroglia - Answers Forms myelin in CNS
, Schwann cells - Answers Form myelin in PNS
Voltage of a resting membrane potential - Answers -70 to -65 mV
Voltage of an action potential - Answers +50mV
Action potential's are initiated in the... - Answers Axon hillock
An action potential results from - Answers Movement of ions across the cell membrane
Depolarization occurs because of the - Answers INWARD flow of SODIUM (Na+)
Repolarization occurs because of the - Answers OUTWARD flow of POTASSIUM (K+)
The point of communication between two neurons is called the: - Answers synapse
During a synapse, an influx of ____ in the terminal bouton causes ______ to move and bind to the cell
membrane, releasing _______ into the synaptic cleft. - Answers Calcium (Ca+); synaptic vesicles;
neurotransmitters
Neurotransmitters generate postsynaptic potential's that are either... - Answers Inhibitory or excitatory
Dopamine is produced in the - Answers substantia nigra (function is modulatory)
The primary neurotransmitter of the PNS, occurring in synapses with muscle tissue - Answers
Acetylcholine
The two fasciculi of the dorsal columns of the spinal cord are.... - Answers Fasciculus gracilis and
fasciculus cuneatus
Ascending fibers of the spinal cord are... - Answers Sensory
Descending fibers of the spinal cord are... - Answers Motor
The spinal nerve is... - Answers Both Sensory and motor
Ventral roots of the spinal nerve are... - Answers Motor
Dorsal roots of the spinal nerve are... - Answers Sensory
Both cranial and spinal nerves are... - Answers Lower motor neurons
The fibers that bring signals from the brain and synapse with cranial and spinal nerves are... - Answers
Upper motor neurons
Three structures of the brain/brainstem: - Answers Midbrain/mesencephalon
Pons
The nervous system can be divided into two major parts: - Answers Central and peripheral nervous
systems
The central nervous system is comprised of... - Answers Brain and spinal cord
saggital plane divides brain into: - Answers Left and right
Horizontal plane (transverse plane) divides brain into: - Answers Top and bottom
coronal plane (frontal plane) divides brain into: - Answers Front and back
Posterior spinal cord: - Answers Dorsal
Inferior cerebrum: - Answers Ventral
Anterior spinal cord: - Answers Ventral
Superior cerebrum: - Answers Dorsal
Posterior cerebrum - Answers Caudal
superior spinal cord: - Answers Rostral
Anterior cerebrum: - Answers Rostral
inferior spinal cord: - Answers Caudal
Two types of cells in nervous system: - Answers neurons and glial cells
Cell made for signaling and communicating: - Answers Neuron
Neurons receive input through the... - Answers Cell body or dendrites
The signal is transmitted along the.. - Answers Axon
An involuntary response to some type of stimulus - Answers Reflex
Reflexes must minimally include a... - Answers Sensory neuron and a motor neuron
Most axons are covered with... - Answers Myelin (white)
The portion of the neuron that transmits the action potential is the... - Answers Axon
Microglia - Answers Consume harmful substances
Astrocyte - Answers helps form the blood-brain barrier
Oligodendroglia - Answers Forms myelin in CNS
, Schwann cells - Answers Form myelin in PNS
Voltage of a resting membrane potential - Answers -70 to -65 mV
Voltage of an action potential - Answers +50mV
Action potential's are initiated in the... - Answers Axon hillock
An action potential results from - Answers Movement of ions across the cell membrane
Depolarization occurs because of the - Answers INWARD flow of SODIUM (Na+)
Repolarization occurs because of the - Answers OUTWARD flow of POTASSIUM (K+)
The point of communication between two neurons is called the: - Answers synapse
During a synapse, an influx of ____ in the terminal bouton causes ______ to move and bind to the cell
membrane, releasing _______ into the synaptic cleft. - Answers Calcium (Ca+); synaptic vesicles;
neurotransmitters
Neurotransmitters generate postsynaptic potential's that are either... - Answers Inhibitory or excitatory
Dopamine is produced in the - Answers substantia nigra (function is modulatory)
The primary neurotransmitter of the PNS, occurring in synapses with muscle tissue - Answers
Acetylcholine
The two fasciculi of the dorsal columns of the spinal cord are.... - Answers Fasciculus gracilis and
fasciculus cuneatus
Ascending fibers of the spinal cord are... - Answers Sensory
Descending fibers of the spinal cord are... - Answers Motor
The spinal nerve is... - Answers Both Sensory and motor
Ventral roots of the spinal nerve are... - Answers Motor
Dorsal roots of the spinal nerve are... - Answers Sensory
Both cranial and spinal nerves are... - Answers Lower motor neurons
The fibers that bring signals from the brain and synapse with cranial and spinal nerves are... - Answers
Upper motor neurons
Three structures of the brain/brainstem: - Answers Midbrain/mesencephalon
Pons
