Central Nervous System Basics
Test your knowledge of fundamental CNS anatomy and function
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Quiz Questions & Answers
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Question 1: Which two main components make up the central nervous system?
Nerves and muscles
Heart and lungs
Eyes and ears
Brain and spinal cord
Question 2: What is the primary function of the blood-brain barrier?
To protect the brain from harmful substances
To regulate body temperature
To produce blood cells
To store memories
Question 3: Which type of cells provide support and nutrition to neurons in the CNS?
Glial cells
Red blood cells
Muscle cells
Fat cells
Question 4: What is the main function of cerebrospinal fluid?
Digestion of nutrients
Blood cell production
Protection and cushioning
Hormone regulation
Question 5: Which part of the brain is responsible for basic life functions like breathing and heart rate?
Frontal lobe
Cerebellum
Brainstem
Hypothalamus
Question 6: What is the gray matter in the CNS primarily composed of?
Blood vessels
Neuron cell bodies
Fatty tissue
Nerve fiber tracts
Question 7: Which spinal cord region controls leg movement?
Lumbar
Sacral
Cervical
Thoracic
Question 8: What happens when the central nervous system receives a signal from sensory neurons?
It processes and integrates the information
It stores it as memory
It immediately shuts down
It is always ignored