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Week 7
Anatomy
| Question | Answer |
|---|---|
| Small distinct regions of gray matter in the CNS are called: | Nuclei |
| The nervous system can be divided | According to its structure, according to directions of the information, by control of effectors ( in all of the above ways) |
| Which of the following is the deepest connective tissue layer of a nerve? | Endoneurium |
| Nerves that contain mostly afferent fibers are called _____nerves. | sensory |
| Neurons in the CNS have less chance of regenerating for all of the following reasons except | microglia lay down scar tissue |
| The nervous system is organized to do which of the following? | Detect changes in the external environment, detect changes in the internal environment, evaluate changes in the environment ( all of the above are true) |
| Dendrites conduct impulses ____cell bodies. | toward |
| Which is not true of the myelin sheath? | It covers cell bodies in the brain and spinal cord |
| The largest and most numerous types of neuroglia are the: | astrocytes |
| The white matter of the nervous system is made up of: | Myelinated fibers |
| In the human nervous system: | there are almost equal numbers of glia cells and neurons |
| A neuron that has only one axon, but several dendrites is classified as a ________neuron. | multipolar |
| Astrocytes attach to | Neurons and Blood Vessels |
| Which of the following compounds cannot cross the blood-brain barrier? | Dopamine |
| The afferent pathways of the autonomic nervous system: | Carry feedback information to integrating centers in the brain |
| A neuron that transmits a nerve impulse toward the central nervous system is called a(n): | sensory neuron |
| Schwann cells have a function in the PNS that is similar to that of which cells in the CNS? | Oligodendrocytes |
| Fascicles are held together by a connective tissue layer called the: | Perineurium |
| Which is true of a reflex arc? | It always consists of an afferent neuron and an efferent neuron |
| Interneurons reside in the | CNS only |
| The autonomic nervous system does not stimulate: | Skeletal muscles |
| Most unipolar neurons are usually: | Sensory neurons |
| Which of the following is not a function of the central nervous system (CNS)? | Integrating sensory information, evaluating the information, initiating outgoing response |
| The efferent pathways of the autonomic nervous system consist of the ___________ nervous systems. | Sympathetic and parasympathetic |
| Along a neuron, the correct pathway for impulse conduction is: | Dendrite, cell body and axon |
| Multipolar neurons have: | multiple dendrites and one axon |
| Regeneration of nerve fibers will take place only if the cell body is intact and the fibers have: | a neurilemma |
| One of the components of the blood-brain barrier is: | astrocytes |
| Gray matter in the brain and spinal cord consists primarily of: | cell body |
| The part of the nervous system that transmits impulses from the CNS to the skeletal muscle is the: | somatic nervous system |
Created by:
cmblaska
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