Anatomy & physiology unit 8
White matters refers to myelinated fibers in the
CNS
the brain and spinal cord comprise the
Central Nervous System (CNS)
The ____ division of the nervous system brings sensory information to the central nervous system
afferent
the part of the peripheral nervous system that brings information to the central nervous system is the
afferent division
Interneurons
are found only in the central nervous system
the term central nervous system refers to the ...
brain and spinal cord
the midbrain, pons and medulla oblongata are housed in the ...
brain stem
ascending pathways
carry sensory information to the brain
outer layer of the cerebrum (gray matter)
cerebral cortex
forms a fluid cushion for the brain and spinal cords
cerebrospinal fluid
branches that sometimes occur along the length of an axon are called
collaterals
which neuroglial cells produce CSF in some regions of the brain?
ependymal cells
which of the following is the most sensitive body region
face
Clusters of rough endoplasmic reticulum and free ribosomes are known as
nissl bodies
Adrenergic synapses release the neurotransmitter
norepinephrine
adrenergic neurons release the neurotransmitter ...
norepinephrine
which lobe of the brain is responsible for motor function, memory, language, problem-solving
frontal
The elevated ridges on the surface of the cerebrum
gyri
which lobe of the brain is responsible for visual processing
occipital
processes information from the sensory neurons and sends commands to motor neurons
interneurons
In general, the nervous system...
is fast acting
another name for the patellar reflex is the ...
knee-jerk reflex
which lobe of the brain is responsible for sensory processing such as touch, temperature and taste?
parietal
All the nervous tissue outside of the central nervous system comprises the ____ nervous system
peripheral
which of the following list parts of a reflex arc in the correct order?
receptor, sensory neuron, interneuron, motor neuron, effector
which of these cells are not a type of neuroglia found in the CNS
schwann cells
afferent nerves are called _____, and motor nerves are called _____
sensory nerves; efferent nerves
carry impulses from the sense organs to the spinal cord and brain
sensory neurons
_____________ allows us to consciously or voluntary control out skeletal muscles and also includes reflexes
the somatic subdivision
tough outer membrane of the brain
dura mater
the substance that is released at axonal endings to propagate a nervous impulse is called ...
a neurotransmitter
The ______ nervous system provides involentary regulation of smooth muscle, cardiac muscle, and glandular activity
autonomic
______________ regulates events that are automatic or involuntary such as the activity of smooth and cardiac muscles
autonomic subdivision
the part id the neuron that passes the message along is called ....
axon
the schwann cell forms a myelin sheath around the....
axon
Neurons that have one axon and one dendrite, with the soma in between, are called
bipolar
neurons with 2 processes--an axon and a dendrite-- structurally classified as ______ neurons
bipolar
the part of the neuron that takes in and receives messages is called the ...
dendrite
protective membrane of the brain
meninges
the three major parts of the brain stem are the ...
midbrain, pons, and medulla oblongata
carry impulses from the brain and spinal cord to muscles and glands
motor neurons
All motor and association neurons are classified structurally as __________ neurons.
multipolar
Neurons that have two or more dendrites and a single axon extending away from the soma are called
multipolar
connects brain to nerves
spinal cord
grooves on the cerebrum surface
sulci
the division of the autonomic nervous system that usually stimulates tissue metabolism is the
sympathetic division
the gap from one neuron to the other is called the ...
synapse
which lobe of the brain is responsible for auditory and olfactory perception
temporal
Bundles of CNS axons that share a common origin, destination, and function are called
tracts