1
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MA600 Exam 1 Questions and Answers
(100% Correct Answers) Already Graded
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The nervous system is divided into how many subdivisions? What
are they? [ ANS: ] the central nervous system (CNS) and the
peripheral nervous system (PNS)
CNS consists of: [ ANS: ] brain and spinal cord
PNS consists of: [ ANS: ] nerves and ganglia
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What is a neuron? [ ANS: ] a nerve cell; the basic building block
of the nervous system
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What is a neuron function? [ ANS: ] cell that transmits impulses
and is the structural unit of the nervous system
What are afferent or sensory neurons? [ ANS: ] they transmit
impulses TO the neuron cell body
What are efferent or motor neurons? [ ANS: ] carries impulses
away from the cell body
What are interneurons or association neurons [ ANS: ] located
entirely within the CNS, where they form the connecting link
between the afferent and efferent neurons.
What are the meninges, where are they located? [ ANS: ] Three
layers of meninges surround the brain and spinal cord.
Name the 3 layers of the meninges [ ANS: ] dura mater,
arachnoid mater, pia mater
What is the most superior portion of the diencephalon called? [
ANS: ] epithalamus
, 2
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What small gland is involved with the onset of puberty and
rhythmic cycles in the body? [ ANS: ] Pineal gland
The cerebellum functions as a motor area of the brain that
mediates
subconscious contractions of skeletal muscles necessary for what?
[ ANS: ] for coordination, posture, and balance
The PNS consists of the nerves that branch out from the brain and
spinal cord. What do the
nerves in the PNS do, what is their function? [ ANS: ] form the
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communication network between the CNS and the remainder of
the body.
How many cranial nerves are in the peripheral nervous system
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(PNS)? [ ANS: ] 12
How many spinal nerves are in the peripheral nervous system (PNS)
[ ANS: ] 31
What are the general senses? [ ANS: ] pain, touch, pressure,
proprioception
What are the special senses [ ANS: ] taste, smell, hearing, sight
Which senses are widely distributed in the body and which are
localized in a particular area? [ ANS: ] General is widely spread,
Special senses are localized
How many more heat receptors are there than cold receptors? [
ANS: ] 10x more
Due to sensory adaptation, what happens when the skin has hot
or cold applied to it for at least a few minutes? [ ANS: ] Pain
What are taste buds? [ ANS: ] chemoreceptors
For Expert help and assignment solutions, +254707240657
MA600 Exam 1 Questions and Answers
(100% Correct Answers) Already Graded
A+
The nervous system is divided into how many subdivisions? What
are they? [ ANS: ] the central nervous system (CNS) and the
peripheral nervous system (PNS)
CNS consists of: [ ANS: ] brain and spinal cord
PNS consists of: [ ANS: ] nerves and ganglia
© 2025 Assignment Expert
What is a neuron? [ ANS: ] a nerve cell; the basic building block
of the nervous system
Guru01 - Stuvia
What is a neuron function? [ ANS: ] cell that transmits impulses
and is the structural unit of the nervous system
What are afferent or sensory neurons? [ ANS: ] they transmit
impulses TO the neuron cell body
What are efferent or motor neurons? [ ANS: ] carries impulses
away from the cell body
What are interneurons or association neurons [ ANS: ] located
entirely within the CNS, where they form the connecting link
between the afferent and efferent neurons.
What are the meninges, where are they located? [ ANS: ] Three
layers of meninges surround the brain and spinal cord.
Name the 3 layers of the meninges [ ANS: ] dura mater,
arachnoid mater, pia mater
What is the most superior portion of the diencephalon called? [
ANS: ] epithalamus
, 2
For Expert help and assignment solutions, +254707240657
What small gland is involved with the onset of puberty and
rhythmic cycles in the body? [ ANS: ] Pineal gland
The cerebellum functions as a motor area of the brain that
mediates
subconscious contractions of skeletal muscles necessary for what?
[ ANS: ] for coordination, posture, and balance
The PNS consists of the nerves that branch out from the brain and
spinal cord. What do the
nerves in the PNS do, what is their function? [ ANS: ] form the
© 2025 Assignment Expert
communication network between the CNS and the remainder of
the body.
How many cranial nerves are in the peripheral nervous system
Guru01 - Stuvia
(PNS)? [ ANS: ] 12
How many spinal nerves are in the peripheral nervous system (PNS)
[ ANS: ] 31
What are the general senses? [ ANS: ] pain, touch, pressure,
proprioception
What are the special senses [ ANS: ] taste, smell, hearing, sight
Which senses are widely distributed in the body and which are
localized in a particular area? [ ANS: ] General is widely spread,
Special senses are localized
How many more heat receptors are there than cold receptors? [
ANS: ] 10x more
Due to sensory adaptation, what happens when the skin has hot
or cold applied to it for at least a few minutes? [ ANS: ] Pain
What are taste buds? [ ANS: ] chemoreceptors
