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23 Cards in this Set
- Front
- Back
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The somatic nervous system consists of:
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SENSORY AND MOTOR NEURONS
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The autonomic nervous system consists of:
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INPUT FROM SENSORY RECEPTORS |
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The axon of a single, myelinated somatic motor neuron extends from the _______ to the _______ it innervates. |
CENTRAL NERVOUS SYSTEM TO THE SKELETAL MUSCLE FIBER
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Most autonomic motor pathways consist of what two motor neurons in series?
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PREGANGLIONIC NEURON AND POSTGANGLIONIC NEURON |
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The _________ neuron consists of the cell body in the CNS, and an axon that extends to an autonomic ganglion |
PREGANGLIONIC NEURON
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The ________ consists of an axon from the ganglion to the effector (smooth muscle, cardiac muscle, or gland). |
POSTGANGLIONIC NEURON
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The autonomic nervous system is divided into what two divisions?
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THE SYMPATHEIC NERVOUS SYSTEM AND THE PARASYMPATHETIC NERVOUS SYSTEM |
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Describe the sympathetic nervous system:
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FIGHT OR FLIGHT DIVISION
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Describe the parasympathetic nervous system:
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REST AND DIGEST |
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In the sympathetic division, there are cell bodies of __________________.
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PREGANGLIONIC NEURONS
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The _____________ includes the lateral horns of the gray matter, 12 thoracic segments, and the first 2 or 3 lumbar segments.
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PREGANGLIONIC NEURONS
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The ______________ includes cell bodies of the preganglionic neurons. |
PARASYMPATHETIC DIVISION
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Cell bodies of the _________ include nuclei of four cranial nerves (III, VII, IX, and X) and lateral gray matter of sacral segments 2-4.
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PREGANGLIONIC NEURONS
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What are the two major type of sympathetic ganglia? |
1- SYMPATHETIC TRUNK GANGLIA 2- PREVERTEBRAL GANGLIA |
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____________ lie in a vertical row on either side of the vertebral column. A- Sympathetic trunk ganglia B- Prevertebral ganglia |
A- SYMPATHEIC TRUNK GANGLIA
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_________ lie anterior to the vertebral column, close to the large abdominal arteries. A- Sympathetic trunk ganglia B- Prevertebral ganglia |
B- PREVERTEBRAL GANGLIA
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The ________ and _________ contain these major autonomic plexuses: - often named after the artery along which they are distributed - celiac (solar) plexus - superior mesenteric plexus - inferior mesenteric plexus - renal plexus - hypogastric plexus |
ABDOMEN AND PELVIS
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Autonomic neurons are either ______ or ______.
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CHOLINERGIC OR ADRENERGIC |
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_____ release the neurotransmitter acetylcholine. A- Adrenergic autonomic neurons B- Cholinergic autonomic neurons |
B- CHOLINERGIC AUTONOMIC NEURONS
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________ release norepinephrine (noradrenalin) and include nicotinic receptors and muscarinic receptors. A- Adrenergic autonomic neurons B- Cholinergic autonomic neurons |
A- ADRENERGIC AUTONOMIC NEURONS
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In general, the sympathetic and parasympathetic divisions of the autonomic nervous system are _____ to each other.
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ANTAGONISTC
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Integration and control of autonomic functions include: |
-FORCE OF VENTRICULAR CONTRACTION -BLOOD PRESSURE -BLOOD VESSEL DIAMETER -ARE CONTROLLED BY AUTONMIC REFLEX ARC |
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The reflex arc is composed of a _____, a _______, and ________, ______ and an ________.
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RECEPTOR, SENSORY NEURON, INTEGRATING CENTER, MOTOR NEURONS, EFFECTOR .
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