Chp 14 - SNS & ANS
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| SNS or ANS? sensory neurons get input from special and somatic senses | SNS
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| SNS or ANS? motor neurons - skeletal muscle | SNS
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| SNS or ANS? movement is consciuosly perceived/controlled | SNS
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| SNS or ANS? accurate and rapid excitation of skeletal muscle | SNS
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| SNS or ANS? monosynaptic | SNS
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| SNS or ANS? ACh only | SNS
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| SNS or ANS? snesory neurons have chemorecptors and mechanoreceptors | ANS
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| SNS or ANS? motor neurons excite or inhibit smooth muscle, cardiac muscle or glands | ANS
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| SNS or ANS? movement is involuntary | ANS
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| SNS or ANS? widespread and relatively slow action on smooth, cardiac and glands | ANS
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| SNS or ANS? disynaptic (pre and postganglionic) | ANS
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| SNS or ANS? ACh or norepinephrine (NE) | ANS
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| SNS or ANS? output is sympathetic or parasympathetic | ANS
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| The ANS is divided into two divisions called | sympathetic and parasympathetic
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| Division of the ANS that is primarily concerned with the elevation of metabolic rate and increased alertness | sympathetic
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| Division of the ANS that is generally responsible for activities that conserve energy and lower thh metabolic rate | parasympathetic
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| Division of the ANS that is found in the cell bodies in gray matter in all thoracic vertebra and Lumbar vertebra 1 and 2 | sympathetic
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| What is the sympathetic division of the ANS stimuluated by | adrenal medulla
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| division of the ANS that is associated with vigorous physical acitivity and production of ATP | sympathetic
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| Division of the ANS that is responsible for Emotions such as fear, embarrasment or rage | sympathetic
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| division of the ANS that is responsible fo the "Fight-or-Flight" response | sympathetic
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| Division of the ANS that is 80% epinephrine and 20% norepinephrine/dopamine | sympathetic
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| Division of the ANS responsible for SLUDD - salivation, lacrimation, urination, digestion, defacation | parasympathetic
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| Division of the ANS that is responsible for resting and digesting | parasympathetic
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| Division of the ANS found in cell bodies in 4 cranial nerves and 2nd-4th sacral segments | parasympathetic
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| Division of the ANS that has receptors for ACh | both sympathetic and parasympathetic
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| AKA thorcolumbar | sympathetic ANS
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| AKA craniosacral | parasympathetic
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| What does is mean that the ANS has dual innervation | most of the viscera receive both parasympathetic and sympathetic input - may have antagonist effect or complementary effect
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| some structures such as the adrenal medulla, arrector pili, sweat glands and blood vessels, get only ______________ fibers of the ANS | sympatheic - no dual innervation
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| axons of both sympathetic and parasympathetic neurons of the thorax, abdomen and pelvis form the ________________ plexus | autonomic
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| Major cardiac and pulmonary plexus in found in the ___________ plexus | thorax
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| major celiac plexus innervates what organs | pancreas, spleen, gall bladder and stomach
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| major superior mesenteric plexus innervates what organ | upper intestines
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| major inerfior mesenteric plexus innervates what organ | lower intestines
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| major hypogastric plexus innervates what organs | bladder, ureters, reproductive organs
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| major renal plexus innervates what organs | kidneys
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| In ANS, how many motor neurons are involved in a reflex arc? | 2
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| In SNS, how many motor neurons are involved in a reflex arc? | 1
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| What is the effector of an automic reflect arc? | smooth and cardiac muscles; glands
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| The two types of receptors in the ANS are | cholinergic receptor and adrenergic receptors
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| What neurotransmitter do cholinergic receptors accept? | ACh
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| What are the two types of cholinergic receptors? | nicotinic and muscarinic receptors
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| Are nicotinic receptors excitatory or inhibitory or both | always exctitatory
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| Are muscarinic receptors excitatory or inhibitory or both? | both depending on the area
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| Where are nicotinic recptors found? | all ANS postganglionic neurons and skeletal muscle
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| Where are muscarinic receptors found? | on all glands, smooth and cardiac muscles
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| What neurotranmitter binds to adrenergic receptors? | norepinephrine/epinephrine
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| What are the two types of adrenergic receptors? | alpha and beta receptors
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| Are adrenergic receptors exitatory, inhibitory or both | both, depending on the location
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| where are the adrenal glands found? | on superior side of each kidney
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| what do the adrenal glands secrete? | steroid hormone and neurotransmitter hormone
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| What ANS system do the adrenal glands innervate | sympathetic ANS
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| How do the adrenal glands create a longer lasting effect of the sympatheic ANS? | by secreting directly into the blood and not onto other neurons
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| ANS is regulated by what three levels of the CNS? | cerebral cortex, hypothalamus, spinal cord
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| The cerebral cortex is influences by our | emotions
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| Where does the fight or flight response originate? | hypothalamus
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