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Multiple Choice Quiz
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1
The _________ nervous system is the control center of the nervous system and consists of the _________ and spinal cord.
A)central; brain
B)peripheral; spinal nerves
C)autonomic; brain
D)central; peripheral nerves
2
A neuron process that receives impulses from receptors or another neuron is a/an
A)axon.
B)dendrite.
C)synaptic knob.
D)None of these choices.
3
A ________ neuron carries impulses from receptors to the central nervous system, and its cell body is located ________ the CNS.
A)interneuron; within
B)sensory; outside
C)sensory; within
D)motor; within
4
The myelin sheath around axons of peripheral neurons is formed by
A)astrocytes.
B)oligodendrocytes.
C)microglial cells.
D)Schwann cells.
5
A nerve impulse is formed when a neuron’s _________ becomes permeable to _______ ions, and the sudden inflow of these ions depolarizes the neuron’s plasma membrane.
A)plasma membrane; sodium
B)plasma membrane; potassium
C)plasma membrane; calcium
D)yyelin sheath; sodium
6
________ fills the space between the arachnoid mater and the _________.
A)Fatty tissue; dura mater
B)Fatty tissue; pia mater
C)Cerebrospinal fluid; pia mater
D)Cerebrospinal fluid; dura mater
7
The ________ is a mass of myelinated nerve fibers connecting the cerebral hemispheres.
A)corpus callosum
B)cerebral cortex
C)cerebral peduncles
D)midbrain
8
The _________ interprets sensory impulses and controls voluntary body movements and intellectual processes.
A)cerebrum
B)thalamus
C)hypothalmamus
D)cerebellum
9
The ________ is responsible for maintaining homeostasis in the body, and it is a major control center for the ________ nervous system.
A)cerebrum; central
B)thalamus; somatic
C)hypothalmamus; autonomic
D)cerebellum; sensory
10
The ________ controls posture, balance, and the coordination of body movements.
A)cerebrum
B)thalamus
C)hypothalmamus
D)cerebellum
11
The respiratory, cardiac and vasomotor control centers are located in the
A)cerebrum.
B)medulla oblongata.
C)hypothalmamus.
D)cerebellum.
12
________ pairs of cranial nerves and _________ pairs of spinal nerves connect the central nervous system with body organs and tissues.
A)Ten; 24
B)Ten; 28
C)Twelve; 31
D)Twelve; 36
13
The posterior root of spinal nerves contains processes of _________ neurons.
A)sensory
B)motor
C)both sensory and motor
D)None of these choices.
14
The sympathetic and parasympathetic divisions of the autonomic nervous system produce _________ effects on internal organs and tissues.
A)similar
B)opposite
C)the same
D)additive
15
The ________ division of the autonomic nervous system prepares the body to meet emergencies.
A)cranial-sacral
B)parasympathetic
C)sympathetic
D)None of these choices.





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