12 Questions
What is the function of dendrites in a neuron?
Transmit impulses to the axon
Which division of the nervous system controls involuntary responses such as heart rate?
Sympathetic Nervous System
What is the main role of the myelin sheath in a neuron?
Insulate the nerve fiber
Which structure forms intermittent gaps in the myelin sheath known as Nodes of Ranvier?
Axon
What is the function of the cerebrospinal fluid in the nervous system?
Carry nutrients to the brain and spinal cord
Which type of nerve fibers are composed of both afferent and efferent fibers?
Mixed nerves
Which nervous system is responsible for 'FIGHT AND FLIGHT' response?
Sympathetic nervous system
What is the main function of the glossopharyngeal nerve?
To provide sensory input to the tongue and throat
What is the primary result of abnormal paroxysmal discharges in the cerebral cortex?
Altered sensation, behavior, or consciousness
What do neurotransmitters primarily do?
Conduct impulses across synapses
Which symptom is defined as 'a sensation that is usually a manifestation of vestibular dysfunction'?
Vertigo
What is the main effect of peripheral blood vessels constricting in the body?
Cooling of the skin
Test your knowledge on the functions of the nervous system and the components of neurons, including cell body, dendrites, synapse, axon, and myelin sheath. Explore how the nervous system receives stimuli, determines responses, and controls body functions.
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