Central Nervous System
What are the components of the central nervous system?
Brain
Spinal cord
What is sensation?
Incoming signals traveling to the brain (touch for example)
What is the primary cell in the nervous system that the glial cells help?
The neuron
Which division of the nervous system is known for 'fight and flight' responses?
Sympathetic nervous division
What are the 5 lobes of the brain?
Frontal
Parietal
Temporal
Occipital
Insular
Which part of the neuron carries the signal to a target?
The axon
Which glial cells is responsible for creating cerebrospinal fluid?
Ependymal Cells
What is the somatic nervous system function?
Contraction of skeletal muscles
What are the 4 stages of an action potential?
Resting
Depolarization
Repolarization
Hyperpolarization
Name one cranial nerve (number, name, function)
Answers vary
Name 3 different glial cells
Microglia
Ependymal cells
Astrocyte
Oligodendrocyte
Schwann cells
Satellite cells
What is the neurotransmitter for the following divisions?
sympathetic
Parasympathetic
Sympathetic-Norepinephrine
Parasympathetic-Acetylcholine
What are the three functions of the nervous system?
Sensory input
Integration
Motor output
List 3 types of sensory receptors
Thermoreceptors / mechanoreceptors
Chemoreceptors / nociceptors
Photoreceptors
Which glial cell creates the myelin sheath in the CNS?
Oligodendrocytes
Name three effects the parasympathetic nervous system has on the body
Decreased HR
Increased digestion and urination
Constriction of pupil
Erection
What are the 3 layers of the meninges?
Dura Mater
Arachnoid Mater
Pia Mater
Name 3 cranial nerves (number, name, function)
Answers vary
What is the function of the astrocytes?
Maintenance of the blood brain barrier
Transferal of nutrients from blood to neurons
Name three effects the sympathetic division has on the body
Increased HR
Pupil dilation
Lower digestion and urination
Constrict blood vessels