Ch 8: Online 3 Flashcards
The Nervous System
What division of the ANS is dominant in stressful situations?
Sympathetic
What electrically insulates neurons?
Myelin Sheath
What inactivates acetylcholine?
Cholinesterase
What pathway do nerve impulses follow during a reflex?
Reflex Arc
What is the ability of the brain to adapt to changing needs?
Neural Plasticity
A group of neuron cell bodies outside the CNS are called ____?
Ganglion
What word means pertaining to internal organs?
Visceral
What phagocytizes pathogens in the CNS?
Microglia
What part of the brain regulates coordination of voluntary movement?
Cerebellum
What nervous system regulates the functioning of visceral effectors?
Autonomic Nervous System (ANS)
Pain along the curve of a nerve is called ____?
Neuralgia
Lessening of severity of symptoms is called ____?
Remission
What is the outermost layer of the meninges?
Dura Mater
The resorption of a neurotransmitter by a neuron is called ____?
Reuptake
What part of the brain is essential for memory function?
Hippocampus
What is the second neuron in the autonomic pathway?
Postganglionic
A neurotransmitter of sympathetic division of the ANS is called ____?
Norepinephrine
What are the spinal nerves that hang below the spinal cord?
Cauda Equina
Inflammation of the membranes covering the brain is called ____?
Meningitis
A disorder of neurons is called ____?
Neuropathy
What helps form the blood-brain barrier?
Astrocyte
What is it called when a muscle that is stretched will contract?
Stretch reflex
What produces the myelin sheath in the CNS?
Oligodendrocyte
What connects the cerebral hemispheres?
Corpus Callosum
The middle layer of the meninges is called ____?
Arachnoid Membrane
What does the sympathetic division of the ANS do?
It is dominant in stressful situations
What does the myelin sheath do?
Electronically insulates neurons
What does cholinesterase do?
Inactivates acetylcholine
What is a reflex arc?
The pathway that nerve impulses follow during a reflex
What is neural plasticity?
The ability of the brain to adapt to changing needs
What is a ganglion?
A group of neuron cell bodies outside the CNS
What does visceral?
A word which pertains to internal organs
What does microglia do?
Phagocytizes pathogens in the CNS
What does the cerebellum regulate?
The cerebellum regulates coordination of voluntary movement
What is neuralgia?
Pain along the curve of a nerve
What is remission?
Lessening of the severity of symptoms
What is the dura mater?
The outermost layer of the meninges
What is neuropathy?
A disorder of neurons
What does astrocyte do?
Astrocyte helps form the blood-brain barrier
What is a stretch relfex?
When a muscle that is stretched will contract
What do oligodendrocytes do?
Produce the myelin sheath in the CNS
What does corpus callosum do?
Connects the hemispheres in the brain
What is the arachnoid membrane?
The middle layer of the meninges
What is meningitis?
Inflammation of the membranes covering the brain
What are the Cauda Equina ?
The spinal nerves that hang below the spinal cord
What is Norepinephrine?
A neurotransmitter of sympathetic division of the ANS
The hippocampus is essential for what function?
Memory function
What is reuptake?
The resorption of a neurotransmitter by a neuron
