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Questions and Answers
What is another name for the sympathetic division?
What is another name for the sympathetic division?
- thoracolumbar outflow (correct)
- craniosacral outflow
- thoracosacral outflow
- craniolumber outflow
Which of the following is an action of the parasympathetic nervous system?
Which of the following is an action of the parasympathetic nervous system?
- Bronchodilatation
- Sweat secretion (correct)
- Inhibits peristalsis
- Bronchoconstriction
Which statement about acetylcholine receptors is true?
Which statement about acetylcholine receptors is true?
- Nicotinic receptors are present at the adrenal medulla (correct)
- Nicotinic receptors act at the heart
- Muscarinic receptors present at the ganglia
- Muscarinic receptors are primarily present at the neuromuscular junction
Where are the cell bodies of preganglionic neurons of the sympathetic nervous system located?
Where are the cell bodies of preganglionic neurons of the sympathetic nervous system located?
Which cranial nerve damage results in failure of near vision?
Which cranial nerve damage results in failure of near vision?
Flashcards
Sympathetic nervous system alternative name
Sympathetic nervous system alternative name
The sympathetic nervous system is also known as the thoracolumbar outflow.
Parasympathetic nervous system action
Parasympathetic nervous system action
One action of the parasympathetic nervous system involves bronchoconstriction.
Acetylcholine receptor location (ganglia)
Acetylcholine receptor location (ganglia)
Muscarinic receptors are found in the autonomic ganglia.
Sympathetic preganglionic neuron location
Sympathetic preganglionic neuron location
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Skeletal muscle contractile protein
Skeletal muscle contractile protein
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Study Notes
Sympathetic Nervous System
- Alternative name: Thoracolumbar outflow
Parasympathetic Nervous System
- Action: Bronchoconstriction
Acetylcholine Receptors
- Location: Present at ganglia
- Type: Muscarinic receptors, and nicotinic receptors
- Heart involvement: Nicotinic receptors present at the heart
- Adrenal medulla involvement: Receptors present at the adrenal medulla
Preganglionic Neuron Cell Bodies
- Location: Lateral horn of the spinal cord
Skeletal Muscle Contraction Protein
- ATPase activity: Myosin
Acetylcholine Secretion Sites
- Not secreted: Sympathetic postganglionic neurons
Cranial Nerve Damage & Vision
- Affected cranial nerve: Cranial nerve III (oculomotor nerve) causes failure of near vision
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