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65 Cards in this Set
- Front
- Back
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where is the origin of SNS and PSNS ??
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SNS : thoracolumbar
PSNS is Craniosaccral |
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what is the diff in fiber length between SNS and PSNS ??
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SNS has long Post gang and short pregang
PSNS has long pregang and short post gang |
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greater splancnic starts from ??
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T5 -T9
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lesser splancnic originate from ??
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T10-T11
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the least splancnic originate from ??
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T12
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Lumbar splancnic nerve originate from ??
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L1-L2
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how is the suprarenal medulla supplied ?
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by SNS (NO PSNS)
produce Epi directly into blood stream supplied by the greater splancnic |
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how does the PSNS fibers travel ??
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travel by the most convinent available nerve to target organ
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where does the PSNS saccral outflow originate ??
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S2-S4
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what kind of neurons are in the Autonomic ganglia ??
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Multipolar Golgi Type 2 neurons
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autonomic ganglia Dendrites which synapse with ?? and Axons which synapse with ??
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Dendrites: Make synaptic connection with pre-ganglionic myelinated B fibers;
Axons: Thin non-myelinated C fibers to target |
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what are the Autonomic innervations ??
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Smooth muscle
Slow, general-acting smooth muscle (e.g. GIT) Fast precise-acting smooth muscle (e.g. Iris) NM Junction Cardiac muscle Glands |
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which plexus controls the gut even if its isolated from the CNS ??
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Myenteric Auerbach plexus
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which system modulate the gut plexus activity ??
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SNS and PSNS
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Convergence-Projection mechanism explains what ??
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referred pain
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the Neuromediators for ANS ganglia (SNS and PSNS ) is ??
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Ach
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the PSNS postgang neuromediator is ??
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Ach
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the SNS Postgang neuromediator is ??
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NE and E for adrenal medulla
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sweat glands neuro mediator is ??
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Ach
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what is the function of Alpha 1 Adrenergic receptor ??
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Excitatory on smooth muscle
Vasoconstriction sweating |
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what is the function of Alpha 2 Adrenergic receptor at NE synapse ??
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decrease NE release
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what is the function of Beta 1 receptor ??
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Excitatory on Heart, lung and brain
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what is the function of Beta 2 Adrenergic receptors ??
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inhibitory on Smooth muscles and Blood vessels of the heart
causes meninges vasodilation and Broncho dilation |
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which cells use Dopamine as a neuro transmitter ??
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SIF : small intensly fluorescent cells
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what is th function of preoptic/Ant nu ??
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increase PSNS firing
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what is the function of lateral/ posterior nu function ??
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increase SNS firing
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what controls the adipose breakdown (adrenergic receptors ) ??
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decrease fat breakdown (alpha 2)
increase fat breakdown (alpha1 and Beta 1) |
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which adrenergic receptor increase clotting ??
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alpha 2
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which Adren receptor controls thick mucus secretion ?? (salivery )
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alpha 1
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which adren receptor controls the pancrease ??
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alpha 1 ( decrease secretion)
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which adren receptor controls insulin ??
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decrease by alpha 2
increase by beta 2 |
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which adren receptor controls the uterus in relaxed and labor ??
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relaxed via beta 2
and labor contraction via alpha 1 |
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which system stimulate the secretion of serous and mucous ??
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serous ( PSNS )
mucous (SNS) |
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which system controls the heart of an athlete ??
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PSNS
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which system controls the internal anal sphincter ??
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SNS
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what is the function of Muscarinic stimulants ??
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pupil constrictors and detrussor Muscle stimulant
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what is the function of Muscarinic Blockers ??
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relieve smooth muscle spasm (GIT and Urinary)
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which drugs is avoided in Bronchial asthma ??
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Beta blockers
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what is the pathophysiology for secondary dysautonomia ??
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leasion in CNS
Diabetes Mellitus Tremors |
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what are the manifestations of Diabetic Autonomic Neuropathy ??
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impaired sweating
orthostatic hypotension peripheral edema ARP |
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where is the lesion site in shy drager syn ??
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lesion in the pre gang neuro in IML
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what are th manifestations of shy drager syndrome ??
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sym failure (hypotension)
parasym failure ( impotancy and bladder atonicity) |
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what is the main manifestation of Riley Day syn ?
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loss in sensory/Autonomic ganglia
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what are the manifestations of riley Day syn ? ??
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Sensory failure
Sympathetic failure: Abnormal sweating hypotension Parasympathetic failure : Feeding difficulty |
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what is the site of lesion in central Horner's, Pre gang horner's and post gang Horner's ??
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Hypothalamospinal tract : central
T 1-2 IML: pre IC Periarterial plexus: post |
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which other spinal cord manifestation may result in central Horner's ??
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Syringomyelia, MS
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a pancoast tumor or Klumpke paralysis my result in ??
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Pre gang Hornor's
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pituitary adenoma or Cavernous sinus thrombosis may result is ??
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Post gang Horner's
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what are the horner's manifestations ?
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Enophthalmos (ornbitalis paralysis)
Ptosis : slight elevation of lower lid Miosis: paralysis of dilator pupilae Anhidrosis: no sym fibers to face sweat glands Vasodialtor: no vasoconstriction via SNS cilio spinal reflex is absent (pupillary skin) Heterochromia; no Melanin in the Iris (ALL IPSILATERAL) |
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all Horner's syndromes have two common symptomes ??
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Miosis and Ptosis
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Apraclonidine test is used to do what exactly ?
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act on alpha 2 receptors and reverse Miosis in Horner's
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where is the site of lesion in Automatic neurogenic bladder
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above S2,3,4
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what is the main control are of th spinla cord for Erection, Emission, Ejaculation ??
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1- PSNS S2-4
2- SNS L1-2 3- SNS T11-12 |
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Visceral pain is transmitted by ??
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ANS
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visceral pain below the pain line is transmitted by ?? and above the pain line is transmitted by ??
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below : PSNS
above :SNS |
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cardiac dermatomes at ?
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T1-T4
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Diaphram dermatomes at ?
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T7-T9
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where is each of the following structures pain is referred to ?
Foregut Medgut Hindgut |
Foregut pain: Epigastrium / Supraumbilical (T5-9)
Midgut pain : Referred to Periumbilical (T10) Hindgut pain: Suprapubic / Infraumbilical (T11-12) |
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Diaphram referred pain is at ?
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C3,4,5
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where is the referred pain for appendix ??
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visceral (early) at T10 (umbilicus)
Somatic (late) at T12-L1 (McBurneys point) |
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where is the referred pain for each of the following Organs ??
Kidney Ureter U. Bladder Liver Spleen Cecum Sigmoid |
Renal angle (Grynfeldt): Kidney
Loin to groin: Ureter Suprapubic: U. Bladder R hypochondrium: Liver L hypochondrium: Spleen R suprapubic: Cecum L suprapubic: Sigmoid |
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what is Raynaud's Diz ?
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coldness in the digits
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what is the result of a correct operation to relieve Raynauds Diz ?
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Ipsilateral pregang Horner's syn
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which ganglia segments must be removed to relieve Buerger's diz ?
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Lower 3-4 lumbar ganglia
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why the 1st lumbar ganglia must be spared in Burger's diz operation ?
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to prevent retrograde ejaculation
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