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NU110
NU110: Exam 4- Integrated Human Sciences (Latest Update )
| Questions & Answers | 100 % Correct | Grade A - Galen
The two structural divisions of the nervous system are the: - ANS central nervous system
and peripheral nervous system
The somatic nervous system is - ANS voluntary control of skeletal muscle
The autonomic nervous system is - ANS involuntary control of cardiac and smooth
A dendrite carries impulses ___ the cell body - ANS towards
The axon carries impulses __________ from the cell body - ANS away
Myelinated fibers are _____ but unmyelinated tissue is _____ - ANS White , gray
Sensory (afferent) nerves convey impulses ____ the cns - ANS Toward
motor (efferent) nerves conveys impulses _____ from the cns - ANS Away
A nerve is a bundle of fibers in the ______ - ANS Peripheral nerves system
A tract is a bundle of neurons fibers in the _____ - ANS Central nervous system
Neuroglia (glial cells) are the nonconducting cells of the nervous system that do what -
ANS Protect, nourish and support the neurons
Two stages of action potential - ANS depolarization and repolarization
NU110
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NU110
Depolarization - ANS The process during the action potential when sodium is rushing
into the cell causing the interior to become more positive.
Repolarization - ANS Return of the cell to resting state, caused by reentry of potassium
into the cell while sodium exits the cell.
sodium ion (Na+) and potassium ion (K+) are the two ions involved in what - ANS
Generating action potential
myelin sheath speeds conduction along an _____ - ANS Axon
A synapse is the junction between _______ neurons - ANS Two
Neurotransmitters are the chemical that carry information across the _____ - ANS
Synaptic cleft
The gray matter forms a H-shaped section in the center of the cord and extends in two
pairs of columns called ____ - ANS The dorsal and ventral horns
White matter is located around the - ANS gray matter
Tracts in spinal cord that carries impulse to and from the brain - ANS White matter
Ascending tract conduct ___ the brain descending tracts conduct ___ from the brain -
ANS Towards; away
How many pairs of spinal nerves are there? - ANS 31
Dorsal root of a spinal nerve contains - ANS only sensory fibers
ventral root contains - ANS motor fibers
NU110
NU110
NU110: Exam 4- Integrated Human Sciences (Latest Update )
| Questions & Answers | 100 % Correct | Grade A - Galen
The two structural divisions of the nervous system are the: - ANS central nervous system
and peripheral nervous system
The somatic nervous system is - ANS voluntary control of skeletal muscle
The autonomic nervous system is - ANS involuntary control of cardiac and smooth
A dendrite carries impulses ___ the cell body - ANS towards
The axon carries impulses __________ from the cell body - ANS away
Myelinated fibers are _____ but unmyelinated tissue is _____ - ANS White , gray
Sensory (afferent) nerves convey impulses ____ the cns - ANS Toward
motor (efferent) nerves conveys impulses _____ from the cns - ANS Away
A nerve is a bundle of fibers in the ______ - ANS Peripheral nerves system
A tract is a bundle of neurons fibers in the _____ - ANS Central nervous system
Neuroglia (glial cells) are the nonconducting cells of the nervous system that do what -
ANS Protect, nourish and support the neurons
Two stages of action potential - ANS depolarization and repolarization
NU110
, 2
NU110
Depolarization - ANS The process during the action potential when sodium is rushing
into the cell causing the interior to become more positive.
Repolarization - ANS Return of the cell to resting state, caused by reentry of potassium
into the cell while sodium exits the cell.
sodium ion (Na+) and potassium ion (K+) are the two ions involved in what - ANS
Generating action potential
myelin sheath speeds conduction along an _____ - ANS Axon
A synapse is the junction between _______ neurons - ANS Two
Neurotransmitters are the chemical that carry information across the _____ - ANS
Synaptic cleft
The gray matter forms a H-shaped section in the center of the cord and extends in two
pairs of columns called ____ - ANS The dorsal and ventral horns
White matter is located around the - ANS gray matter
Tracts in spinal cord that carries impulse to and from the brain - ANS White matter
Ascending tract conduct ___ the brain descending tracts conduct ___ from the brain -
ANS Towards; away
How many pairs of spinal nerves are there? - ANS 31
Dorsal root of a spinal nerve contains - ANS only sensory fibers
ventral root contains - ANS motor fibers
NU110
