NS Quiz Part5
What does the Afferent neuron do?
Sensory nerve that caries impulses toward the central cardiac system
Sensory nerve that carries impulses toward the central nervous system
Sensory nerve that carries impulses toward the brain
Sensory nerve that carries impulses toward the musculature system
What does the Efferent neurons do?
Motor nerve that carries impulses away from the central nervous system
Motor nerve that carries impulses away from the brain
Motor nerve that carries impulses away from the heart
Motor nerve that carries impulses away from the skeletal system
What types of impulses are carried by the ascending tract?
Motor signals
Sensory signals
What types of impulses are carried by the descending tract?
Motor signals
Sensory signals
How and where does the ascending tract go?
Up the spinal cord--to the brain
Down the spinal cord--to the skeletal muscles
How and where does the descending tract go?
Up the spinal cord--to the brain
Down the spinal cord- to the skeletal muscles
How many pairs of cranial nerves are there?
10
22
12
6
What are the two divisions of the autonomic nervous system?
Skeletal & neurological
Sympathetic & empathetic
Parasympathetic & Sympathetic
Parasympathetic & Overly Sympathetic
What are the effects of the sympathetic division
Increases alertness
Has a calming effect
Decreases heart rate
Increases heart rate
Dilates bronchial tubes to increase air flow in the lungs
Dilates blood vessels to increase blood flow
Stimulates secretion of THIN salivary mucus
Stimulates section of THICK salivary mucus
Has no effect on sweat glands
Inhibits intestinal motility
Stimulates sweat glands
Has no effect on adrenal medulla
Has no effect on urinary bladder
Has no effect on internal sphincter
Stimulates adrenal medulla
Causes "resting and digesting "rate
Causes "fight or flight" response
Stimulates bladder wall
What are the effects of Parasympathetic Division
Has a calming effect
Stimulates sweat glands
Increases heart rate
Inhibits intestinal motility
Decreases heart rate
Contracts tubes to decrease air flow in lungs
Has no effect on urinary bladder
Has no effect on blood vessels of skeletal muscles
Stimulates intestinal motility and secretion
Promotes digestion
Causes "fight or flight" response
Stimulates secretion of THICK salivary mucusq
Stimulates secretion of THIN salivary mucus
Stimulates adrenal medulla
Has no effect on adrenal medulla
Has no effect on sweat glands
Causes "resting and digesting" state
Stimulates bladder wall to contract to cause urination
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