Nervous Tissue Quiz
The nervous tissue is the component found in both the brain and the spinal cord whose main role is to regulate and control body functions and activity. How well do you understand this concept and component? Find out below.
- 1.
The central nervous system (CNS) consists of:
- A.
Brain & spinal cord
- B.
Cranial nerves & spinal nerves
- C.
Smooth and cardiac muscles
- D.
Neurons & glial cells
Correct Answer
A. Brain & spinal cord -
- 2.
What portion of a neuron contains a well defined nucleolus within the nucleus and a grandular cytoplasm?
- A.
Axon
- B.
Dendrites
- C.
Cell body (soma)
Correct Answer
C. Cell body (soma) -
- 3.
___________ neurons have one dendrite and one axon. They are associated with the special senses; for example, the retina of the eye.
- A.
Unipolar
- B.
Bipolar
- C.
Multipolar
Correct Answer
B. Bipolar -
- 4.
The period of time during which the membrane recovers and cannot initiate another action potential.
- A.
Excitability
- B.
Depolarization
- C.
Absolute refractory period
Correct Answer
C. Absolute refractory period -
- 5.
The junction between a nerve and a muscle is called a what?
- A.
Neurotransmitter
- B.
Neuromuscular
- C.
Neurostimulant
Correct Answer
B. Neuromuscular -
- 6.
The region of the sarcolemma adjacent to the axon terminal is the what?
- A.
Synapse
- B.
Motor end plate
- C.
Synaptic cleft
Correct Answer
B. Motor end plate -
- 7.
What is the portion of a neuron that conducts impulses from the neuron to the dendrites of another neuron or to an effector neuron of the body? Each neuron possesses only one of these.
- A.
Soma
- B.
Axon
- C.
Axon terminals
Correct Answer
B. Axon -
- 8.
Nerve cells that conduct impulses toward the brain
- A.
Afferent (motor) system
- B.
Efferent (sensory) system
- C.
Efferent (motor) system
- D.
Afferent (sensory) system
Correct Answer
D. Afferent (sensory) system -
- 9.
Parasympathetic division generally...
- A.
Increases an organ's activity
- B.
Form a supporting network for individual neurons
- C.
Conduct impulses to the skeletal muscles only
- D.
Decreases an organ's activity
- E.
Produce the CSF of the CNS
Correct Answer
D. Decreases an organ's activity -
- 10.
A white phospholipid that covers the axons of many neurons is known as...
- A.
White matter
- B.
Phospholipid
- C.
Myelin
- D.
Neurolemmocytes
Correct Answer
C. Myelin -
- 11.
What functions in carrying impulses from one neuron to another within the brain?
- A.
Fiber (nerve) tracts
- B.
Multipolar neurons
- C.
Telodendria
- D.
Dorsal root ganglia
- E.
Interneurons
Correct Answer
E. Interneurons -
- 12.
What occurs when the inside of the nerve becomes positive when channel (gates) in the membrane open to permit sodium ions to the center?
- A.
Repolarization
- B.
Depolarization
- C.
Excitablity
- D.
Absolute refractory period
Correct Answer
B. Depolarization -
- 13.
_______________has numerous dendritic fibers.
Correct Answer
peripheral branch
purkinje cell
pyramidal cell
axon terminals - 14.
The response of neurons to stimuli and the conversion of these stimuli to impulses is _____________ which results in an impulse traveling along the length of the nerve, and this is known as ___________________.
Correct Answer
repolarization
conduction
depolarization
non conduction - 15.
_______________ occurs only in unmyelenated nerve fibers and _______________occurs in myelinated fibers.
Correct Answer
saltatory conduction
continuous conduction - 16.
_________________ forms the gray matter of the CNS; __________________forms the white matter of the CNS
Correct Answer
myelin
unmyelinated - 17.
Structural criteria for neuron classification relate to the number of processes (projections) extending from the cell body.A. ________________ have multiple dendrites and one axon (most common).B. ________________ have one dendrite and one axon and are associated with the special senses; (ex: retina of the eye).C. ________________ have only one process extending from the cell body; they are found in the dorsal (sensory) root ganglia of the spine; the process divides into: A __________________ which acts as an axon A___________________which acts as a dendriteD. ________________ function in carrying impulses away from one neuron to another with the brain. There are two types: The _________________ has numerous dendritic fibers The _________________ body is shaped somewhat like a pyramid
Correct Answer
interneurons
unipolar neurons
multipolar neurons
bipolar neurons
Purkinje cell | central branch | synapse | pyrimidal cell | peripheral branch - 18.
There are 5 main types of neuroglia:1. _______________ form a supporting network for the individual neurons2. _______________ attach to blood vessels forming a blood-brain barrier that prevents harmful substances and organisms from entering the CNS3. _______________ (Schwann cells)- produce myelin sheath that surrounds many nerve fibers4. _______________ engage in phagocytosis5. _______________ produce the cerebrospinal fluid (CSF) of the CNS
Correct Answer
Ependymal cells
astrocytes
oligodendrocytes
microglia
neurolemmocytes - 19.
Nerve cells that conduct impulses toward the brain:
- A.
Integrative system
- B.
Efferent system
- C.
Afferent system
- D.
Nervous system
Correct Answer
C. Afferent system -
- 20.
The nervous system has 2 major divisions:1. The _________________________ and the __________________________.
Correct Answer
integrative system
central nervous system
somatic nervous system
autonomic nervous system
peripheral nervous system - 21.
What is the main neurotransmitter substance?
- A.
AChE
- B.
PO4
- C.
ATPase
- D.
ACh
- E.
ATP
Correct Answer
D. ACh -
- 22.
A _______________________ is a wave of electrical energy along the outside surface of the plasma membrane of a nerve.
- A.
Resting (nonconducting) neuron
- B.
Resting membrane potential
- C.
Nerve impulse (nerve action potential)
- D.
Neurotransmitter receptor
Correct Answer
C. Nerve impulse (nerve action potential) -
- 23.
___________________________ occurs when the inside of the nerve becomes positive and the outside becomes negative.
- A.
Repolarization
- B.
Excitability
- C.
Depolarization
- D.
Stimuli
Correct Answer
C. Depolarization -
- 24.
There are two types of nerve conduction:________________________ occurs only in unmyelinated nerve fibers and ________________________ occurs only in myelinated fibers.
Correct Answer
continuous
refractory
chemical
saltatory
electrical - 25.
The cervical plexus innervates...
- A.
Skin, muscles of head, neck, upper shoulders, and diaphragm
- B.
Abdominal wall, pelvic area, and muscles of the thighs
- C.
Most of the arm and many neck and shoulder muscles
- D.
Genitalia, buttocks, and most lower extremities.
Correct Answer
A. Skin, muscles of head, neck, upper shoulders, and diaphragm -
- 26.
The sacral plexus is related to what nerve?
- A.
Phrenic nerve
- B.
Sciatic nerve
- C.
Pudendal nerve
Correct Answer
B. Sciatic nerve -
- 27.
A spinal tap is used in the removal of CSF, it is usually taken within the __________________________ (area_______), and it is used to diagnose ____________________ conditions.
- A.
Arachnoid membrane (L5) / neuromuscular
- B.
Pia mater (L4) / psychological
- C.
Subarachnoid membrane (L4) / neurological
- D.
Dura mater (L4) / neurobehavioral
Correct Answer
C. Subarachnoid membrane (L4) / neurological -
- 28.
There are 31 pairs of spinal nerves that are named according to the level of the spinal cord where they originate; There are:________of cervical spinal nerves________ of thoracic nerves________ of lumbar nerves________ of sacral nerves________ of coccygeal nerves
- A.
1, 5, 12, 5, 8
- B.
8, 12, 5, 5, 1
- C.
12, 8, 1, 5, 5
- D.
12, 8, 5, 5, 1
Correct Answer
B. 8, 12, 5, 5, 1 -
- 29.
Coverings (Deep Fascia)1. The entire nerve is covered by the ______________.2. Bundles of nerve fibers are called ______________ and wrapped in a connective tissue called the ________________.3. Individual nerve fibers, myelinated or unmyelinated, are wrapped in a connective tissue called __________________.
Correct Answer
endoneurium
epineurium
epimysium
perineurium
fascicles - 30.
The meninges are 3 coverings that surround the spinal cord and brain. The dura mater is the __________________ and it is composed of _____________________.
- A.
Inner most meninx / fibrous connective tissue
- B.
Middle meninx / loose areolar tissue
- C.
Outer most meninx / dense connective tissue
- D.
Outer most meninx / fibrous connective tissue
Correct Answer
D. Outer most meninx / fibrous connective tissue -
- 31.
__________________ refers to bundles of myelinated axons from many neurons.
- A.
Cauda equina
- B.
Gray matter
- C.
Filum terminale
- D.
White matter
- E.
Perineurium
Correct Answer
D. White matter -
- 32.
Paralysis of the two upper and lower parts of the body and trunk...
- A.
Paraplegia
- B.
Hemiplegia
- C.
Quadriplegia
- D.
Monoplegia
Correct Answer
C. Quadriplegia -
- 33.
______________ is an acute infection of the peripheral nerves by the virus herpes zoster (chickenpox virus).
- A.
Herpes
- B.
Mumps
- C.
Scarlett Fever
- D.
Shingles
Correct Answer
D. Shingles -
- 34.
Myelinated fibers conduct impulses faster than unmyelinated fibers? True/False?
- A.
True
- B.
False
Correct Answer
A. True -
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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Mar 14, 2022Quiz Edited by
ProProfs Editorial Team -
Apr 12, 2010Quiz Created by
Lmccarty
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