17 Questions
What are the two systems of the efferent division of the nervous system?
Somatic nervous system and autonomic nervous system
Which part of the brain is responsible for visual processing and interpretation?
Occipital lobe
Where are pseudo-unipolar neurons (sensory neurons) found in the body?
Spinal and cranial nerve ganglia
Name a type of neuroglia and its function.
Astrocytes - provide structural support for neurons and regulate the extracellular environment
Which type of glial cell forms myelin sheath in the central nervous system?
Oligodendrocyte
What is the main function of the midbrain?
Controlling eyesight, eye movement, and body movement
Which lobe of the cerebrum is responsible for processing auditory information?
Temporal lobe
What is the main difference between grey matter and white matter in the brain?
Grey matter is responsible for information processing while white matter forms connections between brain regions
Which of the following cells is responsible for producing cerebral spinal fluid and acting as a blood-brain barrier?
Ependymal cells
What happens at the synapse when an action potential reaches the axon terminal of the presynaptic neuron?
Neurotransmitters are released into the synaptic cleft
What is the primary function of acetylcholine in the nervous system?
Transmitting impulses in the somatic nervous system
What is the main role of dopamine in the brain?
Regulating mood and movement coordination
What is the primary function of the meninges?
Offering physical support and acting as a cushion against mechanical injuries
What is the function of myelin in the nervous system?
To enhance the speed of nerve impulse conduction
How do the nodes of Ranvier fit into the function of myelin?
They allow for regeneration of the action potential and maintain the strength of the nerve impulse
What is the main difference between the autonomic nervous system and the somatomotor nervous system?
The autonomic nervous system is responsible for involuntary bodily functions, while the somatomotor nervous system controls voluntary muscle movements
Name two neurotransmitters used by the nervous system to transmit an impulse across a synapse.
Acetylcholine and glutamate
Test your knowledge about the efferent division of the nervous system and the functions of different parts of the brain. Identify characteristics of the somatic and autonomic nervous systems, as well as functions of the frontal cortex, occipital lobe, and cerebellum.
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