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Chp 14 - SNS & ANS
| Answer | |
|---|---|
| SNS or ANS? sensory neurons get input from special and somatic senses | SNS |
| SNS or ANS? motor neurons - skeletal muscle | SNS |
| SNS or ANS? movement is consciuosly perceived/controlled | SNS |
| SNS or ANS? accurate and rapid excitation of skeletal muscle | SNS |
| SNS or ANS? monosynaptic | SNS |
| SNS or ANS? ACh only | SNS |
| SNS or ANS? snesory neurons have chemorecptors and mechanoreceptors | ANS |
| SNS or ANS? motor neurons excite or inhibit smooth muscle, cardiac muscle or glands | ANS |
| SNS or ANS? movement is involuntary | ANS |
| SNS or ANS? widespread and relatively slow action on smooth, cardiac and glands | ANS |
| SNS or ANS? disynaptic (pre and postganglionic) | ANS |
| SNS or ANS? ACh or norepinephrine (NE) | ANS |
| SNS or ANS? output is sympathetic or parasympathetic | ANS |
| The ANS is divided into two divisions called | sympathetic and parasympathetic |
| Division of the ANS that is primarily concerned with the elevation of metabolic rate and increased alertness | sympathetic |
| Division of the ANS that is generally responsible for activities that conserve energy and lower thh metabolic rate | parasympathetic |
| 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 |
| What is the sympathetic division of the ANS stimuluated by | adrenal medulla |
| division of the ANS that is associated with vigorous physical acitivity and production of ATP | sympathetic |
| Division of the ANS that is responsible for Emotions such as fear, embarrasment or rage | sympathetic |
| division of the ANS that is responsible fo the "Fight-or-Flight" response | sympathetic |
| Division of the ANS that is 80% epinephrine and 20% norepinephrine/dopamine | sympathetic |
| Division of the ANS responsible for SLUDD - salivation, lacrimation, urination, digestion, defacation | parasympathetic |
| Division of the ANS that is responsible for resting and digesting | parasympathetic |
| Division of the ANS found in cell bodies in 4 cranial nerves and 2nd-4th sacral segments | parasympathetic |
| Division of the ANS that has receptors for ACh | both sympathetic and parasympathetic |
| AKA thorcolumbar | sympathetic ANS |
| AKA craniosacral | parasympathetic |
| 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 |
| some structures such as the adrenal medulla, arrector pili, sweat glands and blood vessels, get only ______________ fibers of the ANS | sympatheic - no dual innervation |
| axons of both sympathetic and parasympathetic neurons of the thorax, abdomen and pelvis form the ________________ plexus | autonomic |
| Major cardiac and pulmonary plexus in found in the ___________ plexus | thorax |
| major celiac plexus innervates what organs | pancreas, spleen, gall bladder and stomach |
| major superior mesenteric plexus innervates what organ | upper intestines |
| major inerfior mesenteric plexus innervates what organ | lower intestines |
| major hypogastric plexus innervates what organs | bladder, ureters, reproductive organs |
| major renal plexus innervates what organs | kidneys |
| In ANS, how many motor neurons are involved in a reflex arc? | 2 |
| In SNS, how many motor neurons are involved in a reflex arc? | 1 |
| What is the effector of an automic reflect arc? | smooth and cardiac muscles; glands |
| The two types of receptors in the ANS are | cholinergic receptor and adrenergic receptors |
| What neurotransmitter do cholinergic receptors accept? | ACh |
| What are the two types of cholinergic receptors? | nicotinic and muscarinic receptors |
| Are nicotinic receptors excitatory or inhibitory or both | always exctitatory |
| Are muscarinic receptors excitatory or inhibitory or both? | both depending on the area |
| Where are nicotinic recptors found? | all ANS postganglionic neurons and skeletal muscle |
| Where are muscarinic receptors found? | on all glands, smooth and cardiac muscles |
| What neurotranmitter binds to adrenergic receptors? | norepinephrine/epinephrine |
| What are the two types of adrenergic receptors? | alpha and beta receptors |
| Are adrenergic receptors exitatory, inhibitory or both | both, depending on the location |
| where are the adrenal glands found? | on superior side of each kidney |
| what do the adrenal glands secrete? | steroid hormone and neurotransmitter hormone |
| What ANS system do the adrenal glands innervate | sympathetic ANS |
| 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 |
| ANS is regulated by what three levels of the CNS? | cerebral cortex, hypothalamus, spinal cord |
| The cerebral cortex is influences by our | emotions |
| Where does the fight or flight response originate? | hypothalamus |
Created by:
edeboo
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