Anatomy 201- Nervous Systems (Exam 3)
visceral motor
the __________ division carries signals to the smooth muscle in the large intestine.
CNS
the brain and spinal cord comprise the?
31
there are ____ pairs of spinal nerves.
microglia
what glial cells destroy microorganisms in the CNS?
reverberating circuit
which of the following is the best type of neural pool for producing a prolonged output?
somatic
which type of reflex involved skeletal muscles?
preganglionic; acetylcholine (ACh)
a neuron that synapses in the adrenal medulla is a ________ neuron, and releases the neurotransmitter ____________.
norepinephrine
adrenal synapse release the neurotransmitter?
both sympathetic and parasympathetic nerves
Dual innervation refers to an organ receiving?
dendrites
the branching structures that, together with the cell body, are sensitive to chemical, mechanical, or electrical stimulation are called?
interneurons
the integrate functions of the nervous systems are performed mainly by______.
oligodendrocytes
the myelin sheaths that surround the axons of some of the neurons in the CNS are formed by?
centrioles
the neuron cells have very little ability to regenerate when damaged or destroyed because they lack?
autonomic nervous system
the portion of the nervous system that carries involuntary commands from CNS to smooth muscles and glands is the?
detrmatome
the specific region of the body monitored by each pair of spinal nerves is known as?
sending signals to muscles
what is a function of the efferent division of the nervous system?
glands
what is an example of effectors of the nervous system?
perceive static equilibrium
what is the function of the saccule and utricle?
rods
which cells are NONfunctional in light?
autonomic
which nervous system subdivision is a chain of two motor neurons consisting of a pre and post ganglionic neuron?
responding to hormones that come in contact with the plasma membrane
which of the following is NOT a function of the nervous system?
they are contained entirely within the CNS and carry signals from one neuron to another.
which of the following is true of interneurons?
vestibular projection pathways
which of the following neural pathways are monitored by both the sensory cortex and motor cortex?