Bio 255 test (Graded A+)Question and Answers

Bio 255 test (Graded A+)Question and
Answers
The ______ nervous system is the structural division of the nervous system that
contains the brain. - Right Answer - central
The motor nervous system is responsible for ______ of information in relation to
the CNS. - Right Answer - output
The term ______ means "inflowing". - Right Answer - afferent
The somatic sensory division detects stimuli that are ______ detected. - Right
Answer - consciously
______ are excitable cells that initiate and transmit electrical signals. - Right
Answer - neurons
The visceral sensory division is under ______ control. - Right Answer - involuntary
- Right Answer - A
matches
Choice, Dendrites
Dendrites
B
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Choice, Axon
Axon
C
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Choice, Axon collateral
Axon collateral
D
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Choice, Terminal arborizations
Terminal arborizatons
E
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Choice, Synaptic knobs
Synaptic knobs
The ______ of the functional division of the nervous system provides involuntary
control of smooth muscle. - Right Answer - automatic
The motor nervous system is also referred to as the ______ division. - Right
Answer - efferent

,Dendrites branch off of the ______. - Right Answer - cell body
Generally, nervous tissue is made up of ______ distinct cell types. - Right Answer -
2
The term "anaxonic" describes a neuron with ______. - Right Answer - no axon
- Right Answer - Dendrites
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Choice: Conducts information to the cell body
Conducts information to the cell body
Axon hillock
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Choice: Triangular region connecting the axon to the cell body
Triangular region connecting the axon to the cell body
Axon
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Choice: Conducts information away from the cell body
Conducts information away from the cell body
Axoplasm
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Choice: The cytoplasm of the axon
The cytoplasm of the axon
- Right Answer - A
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Choice, Nucleolus
Nucleolus
B
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Choice, Nucleus
Nucleus
C
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Choice, Axon hillock
Axon hillock
D
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Choice, Neurolemmocyte
Neurolemmocyte
E

,matches
Choice, Neurofibril node
Neurofibril node
The ______ consists of all axons that transmit a nerve impulse from the CNS to a
muscle or gland. - Right Answer - motor nervous system
The cell bodies of ______ neurons are found in the dorsal root ganglia. - Right
Answer - unipolar
conduct information from other cells toward the neuronal cell body. - Right
Answer - dendrites
In a laboratory experiment, a neuron is observed conducting an electrical charge
down a long cell process toward a target cell. What portion of the neuron is being
observed? - Right Answer – axon
Choose the two primary functions of the nervous system. - Right Answer -
interpretation
Control the central nervous system is made of the - Right Answer - brain and the
spinal cord
The peripheral nervous system is made of the spinal nerves, ganglia, and ---- -
Right Answer - cranial nerves
The ______ functional division of the nervous system transmits information from
the viscera to the central nervous system. - Right Answer - visceral sensory
division
The somatic ______ division of the nervous system receives information from the
eyes, ears, and skin. - Right Answer - sensory
Nervous tissue is composed of glial cells and - Right Answer - neurons or Neurons
Which division of the nervous system transmits nerve impulses from blood vessels
and viscera to the central nervous system? - Right Answer - Visceral sensory
division
The brain and spinal cord are Part of the ______. - Right Answer - central nervous
system
The autonomic division of the nervous system is Part of the ______ nervous
system. - Right Answer - Motor

The cell bodies of most motor neurons lie in the ______. - Right Answer - spinal
cord
Sensory ______ neurons carry information ______ the central nervous system. -
Right Answer - afferent, toward

, Interneurons facilitate communication between ______ neurons and ______
neurons. - Right Answer - sensory and Motor
The muscle and gland cells that receive nerve impulses from motor neurons are
called ______. - Right Answer - effectors
What type of cell is indicated by letter A? - Right Answer - Oligodendrocyte
- Right Answer - Oligodendrocytes
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Choice: Myelinate axons within the CNS
Myelinate axons within the CNS
Neurolemmocytes
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Choice: Myelinate axons within the PNS
Myelinate axons within the PNS
Satellite cells
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Choice: Protects cell bodies in PNS ganglia
Protects cell bodies in PNS ganglia
Choose the cells that are Part of the central nervous system. - Right Answer - D
A
E
B
______ of our neurons are interneurons. - Right Answer - 99%
- Right Answer - A
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Choice, Neuron
Neuron
B
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Choice, Astrocyte
Astrocyte
C
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Choice, Capillary
Capillary
- Right Answer - A
matches
Choice, Oligodendrocyte