40 Questions
What is the primary function of the corpus callosum?
To facilitate inter-hemispheric communication
Which lobe of the brain is responsible for controlling vision?
Occipital lobe
What is the main component of white matter?
Myelinated axons
Where are the neuronal cell bodies located in the peripheral nervous system?
In the ganglia outside the spinal cord
What is the function of the cerebrospinal fluid?
To cushion and provide homeostasis to the brain and spinal cord
Which nervous system is responsible for the 'fight or flight' response?
Sympathetic nervous system
What is the characteristic of the cerebral cortex?
It is 2-4mm thick and consists of 6 layers
Where do the parasympathetic nerves originate from?
Brainstem or S-levels
What is the function of the sympathetic chain?
To synapse with sympathetic nerves
What is the term for the deep grooves or clefts in the brain?
Fissure
What role do glial cells play in the nervous system?
Allowing for optimal physiochemical environment
Which of the following is a component of the peripheral nervous system (PNS)?
Cranial nerves
How many pairs of cervical spinal nerves do humans have?
8
What type of sensory information does somatic sensory include?
Touch and temperature
Which type of motor control involves the innervation of smooth and cardiac muscles?
Visceral motor
What is another name for the autonomic nervous system?
Visceromotor system
Which of the following would NOT be considered a function of the autonomic nervous system?
Skeletal muscle activation
What type of information is transmitted via the afferent division?
Sensory information towards the CNS
Which type of sensory information is related to visceral sensory?
Visceral irritation
Where are commands from the brain sent out to the PNS?
Through the efferent division
Which part of the brain is responsible for controlling speech, motor cortex and is located at the anterior part of the brain?
Frontal Lobe
What is the term for the hills in the brain?
Gyri
What percentage of the brain is made up of the cerebral cortex?
80%
What is the function of the sympathetic nervous system during the 'fight or flight' response?
Closes sphincters
What is the term for the white matter structure that surrounds the horn within the spinal cord?
Funiculi
What is the function of the cerebrospinal fluid?
Cushioning, homeostasis, and chemical buffering
Which part of the brain is responsible for controlling hearing and smell?
Temporal Lobe
What is the term for the small bundles of nerve fibers with common origin, destination, and function?
Fasciculi
What is the location of the grey matter in the spinal cord?
Inner horns
What is the function of the parasympathetic nervous system?
Increases digestion
Which of the following accurately describes glial cells?
They assist in the insulation of neuron fibers.
Which spinal nerves are composed of 5 pairs?
Lumbar and sacral
Which of the following is not categorized under the peripheral nervous system (PNS)?
Brain
In which division would you classify the sensation of hunger?
Visceral sensory
Which division involves the innervation of skeletal muscles?
Somatic motor
What is a primary characteristic of the autonomic nervous system?
It consists of smooth muscle and gland control.
What kind of action does the autonomic nervous system control?
Involuntary cardiac muscle contractions
Which of the following relates to sensory (Afferent) division?
Transmits information from spinal cord to brain
Which system is responsible for the innervation of glands?
Visceral motor system
What does the central nervous system (CNS) comprise?
Brain and spinal cord
This quiz covers the components of the nervous system, including neurons, glial cells, central nervous system, and peripheral nervous system.
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