8445284
Descripción
Test por Alexandra Bozan, actualizado hace más de 1 año
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Creado por Alexandra Bozan
hace más de 7 años
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Pregunta 1
Pregunta
All cell bodies of the autonomic nervous system are located within the CNS.
Respuesta
- True
- False
Pregunta 2
Pregunta
Each spinal nerve attaches to the spinal cord by means of two short roots, a ventral root and a dorsal root.
Respuesta
- True
- False
Pregunta 3
Pregunta
Which of the following would not be an effector of the autonomic nervous system?
Respuesta
-
skeletal muscles
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blood vessels
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sweat glands
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the iris of the eye
Pregunta 4
Pregunta
The “fight-or-flight” reaction is a normal response in times of stress.
Respuesta
- True
- False
Pregunta 5
Pregunta
A dermatome is the skin surface area supplied by a single spinal nerve.
Respuesta
- True
- False
Pregunta 6
Pregunta
The peripheral nervous system includes:
Respuesta
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only spinal nerves.
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only spinal nerves and their branches.
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only cranial nerves, spinal nerves, and their branches.
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cranial nerves, the spinal cord, spinal nerves, and their branches.
Pregunta 7
Pregunta
The spinal nerves are connected to the spinal cord and consist of:
Respuesta
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12 PAIRS
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21 PAIRS
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31 PAIRS
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41 PAIRS
Pregunta 8
Pregunta
Axon terminals, or endings, that secrete acetylcholine are called cholinergic terminals.
Respuesta
- True
- False
Pregunta 9
Pregunta
Sympathetic responses generally have widespread effects on the body because:
Respuesta
-
they reach visceral effectors faster than parasympathetic impulses.
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myoneural junctions contain a substance that inactivates acetylcholine.
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preganglionic fibers are short and postganglionic fibers are long.
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preganglionic fibers synapse with several postsynaptic fibers.
Pregunta 10
Pregunta
Which is not true about most sympathetic postganglionic neurons?
Respuesta
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They are usually longer than preganglionic neurons.
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They produce acetylcholine.
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They produce norepinephrine.
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They have acetylcholine receptors on their dendrites.
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