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?