
Quiz on the Central Nervous System
Authored by Ahmed Samir Bakr
Health Sciences
12th Grade
Used 4+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the central nervous system (CNS) include?
Brain and spinal cord
12 pairs of cranial nerves
All ganglia
31 pairs of spinal nerves
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a protective structure of the CNS?
Cerebrospinal fluid
Meninges
Vertebral column
Nerve fibers
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of information does the afferent branch of the peripheral nervous system carry?
Reflex actions
Autonomic functions
Sensory information to the CNS
Motor signals to muscles
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the brain is responsible for coordinating voluntary movements?
Brainstem
Hypothalamus
Cerebellum
Thalamus
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of astrocytes in the CNS?
Act as phagocytes
Support neurons and regulate blood flow
Transmit nerve impulses
Form myelin sheath
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of glial cell is responsible for myelination in the CNS?
Microglia
Astrocytes
Ependymal cells
Oligodendrocytes
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the blood-brain barrier?
To facilitate the flow of cerebrospinal fluid
To protect the brain from harmful substances
To connect the brain to the spinal cord
To allow all substances to enter the brain
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