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Autonomics - Viscerosomatics
Clicker: 06 Session ID:
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Which of the following is the origination of the PNS?
Thoracolumbar Cervicothoracic Craniosacral Craniothoracic
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The preganglionic cell bodies of the PNS are found in which cranial nerves?
III, VII, IX, X III, IV, V, VI III, VII, X, XI III, V, VII, IX
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Which of the following is not a feature of somatic innervation?
It deals with the innervation of skeletal muscles It consists of a one neuron synapse Ach is released and binds to nicotinic receptors It consists of a two neuron synapse
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Ach, nicotinic Ach, muscarinic NE, alpha or beta NE, nicotinic
When innervating sweat glands, the postganglionic neurotransmitter ______ binds to a ________ receptor Ach, nicotinic Ach, muscarinic NE, alpha or beta NE, nicotinic
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Epinephrine Norepinephrine Ach Cortisol
Which of the following is the major product released from the adrenal medulla upon Ach binding to its nicotinic receptor? Epinephrine Norepinephrine Ach Cortisol
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The SNS causes each of the following except…
Mydriasis Bronchial dilation Arteriole constriction Erection
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The PNS causes each of the following except…
Decreased heart contractility Increased GI motility Erection Inhibits bladder contraction
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What is the definition of facilitation?
The maintenance of a pool of neurons in a state of partial or sub threshold depolarization The maintenance of a pool of neurons in a state of partial or sub threshold hyperpolarization Input from visceral structures that increase the manifestations of somatic tissues Input from somatic structures that increase the manifestations of visceral tissues
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Your preceptor pimps you and asks, “what is the mechanism behind referred pain?”
It is the convergence of sympathetic and parasympathetic inputs at the spinal interneuron level It is the convergence of somatic and visceral inputs at the spinal interneuron level It is the simultaneous stimulation of two different spinal interneuron levels from one stimulus It is the simultaneous stimulation of two different somatic areas whose afferent innervations converge at the same spinal interneuron area
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A cholinergic drug causes which of the following?
Increase in sympathetic tone Decrease in sympathetic tone Decrease in parasympathetic tone Increase in parasympathetic tone
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Your patient has many ulcerations found at the junction of the esophagus and the stomach. At what spinal level might he experience somatic manifestations? C3 C7 T2 T6
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C3: no viscerosomatic reflexes at this level
Your patient has many ulcerations found at the junction of the esophagus and the stomach. At what spinal level might he experience somatic manifestations? C3: no viscerosomatic reflexes at this level C7: no viscerosomatic reflexes at this level T2: cervical upper esophagus (T2-4) T6: lower esophagus & stomach (T5-8)
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Gallbladder Spleen Liver Appendix
Your patient is experiencing pain at the T10 spinal level on the right. Which organ is most likely experiencing distress? Gallbladder Spleen Liver Appendix
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Gallbladder: T9-10 R Spleen: T5-11 Liver: T6-9 Appendix: T12
Your patient is experiencing pain at the T10 spinal level on the right. Which organ is most likely experiencing distress? Gallbladder: T9-10 R Spleen: T5-11 Liver: T6-9 Appendix: T12
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Your patient now has a kidney stone
Your patient now has a kidney stone. Which of the following levels can you expect to see somatic dysfunction? T5-7 T9-10 T10-L1 L2-L5
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Your patient now has a kidney stone
Your patient now has a kidney stone. Which of the following levels can you expect to see somatic dysfunction? T5-7: upper extremity T9-10: ovary/teste T10-L1: kidney, ureters, bladder L2-L5: no viscerosomatic reflexes at this level
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The gonadal parasympathetic innervation is through which nerve?
Vagus Pelvic splanchnics Sacral splanchnics
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Which of the following are you trying to achieve in mechanical rib raising?
Mobililze abnormal fluid collection Balance the sympathetic chain Increase chest wall motion All of the above
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Review Somatic Visceral Innervation of skeletal muscles
One neuron synapse Ach binds to nicotinic receptors Visceral Two neuron synapse SNS PNS
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Review SNS PNS Thoracolumbar Short preganglionic fibers
Release Ach on nicotinic receptors Long postganglionic fibers Release NE on alpha or beta receptors Synapse in sympathetic chain or preaortic ganglia PNS Craniosacral Long preganglionic fibers Release Ach on nicotinic receptors Short postganglionic fibers Release Ach on muscarinic receptors Synapse near the walls of the viscera to be innervated
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Review Sympathetic cholinergic Adrenal Medulla Innervates sweat glands
Similar to SNS but postganglionic neurotransmitter is Ach on muscarinic receptors Adrenal Medulla One neuron synapse Ach binds to a nicotinic receptor to stimulate gland NE & Epinephrine** released into blood stream
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Viscerosomatic Reflexes Review
Head & neck T1-4 Heart T1-5 Lung T2-5 Cervical upper esophagus T2-4 Thoracic mid esophagus T3-6 Lower esophagus & stomach T5-8 Spleen & pancreas T5-11 Liver T6-9 Gallbladder T9-10 R Small intestine T9-11 Appendix T12 Ovary/testes T9-10 Kidneys T10-L1 Ureter T10-L1 Bladder T10-L1
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Viscerosomatic Reflexes Review
Prostate & urethra L1-2 Cervix L1-2 Ascending & transverse colon T10-12 Genital T12 Uterus T10-L1 Descending & sigmoid colon & rectum L1-2 Adrenal T8-10 Upper extremity T5-7 Lower extremity T10-L2
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Techniques Dorsal Inhibition Thoracolumbar myofascial release
span the width of the erector spinae bilaterally, bring fingers & thenar/hypothenar eminences closer together Thoracolumbar myofascial release Add anterior & lateral tension (direct component), hold direction of ease in all 3 planes (indirect component) Mechanical Rib Raising Pull the ipsilateral paraspinal muscle toward you, add a superior & lateral pumping of your fingers
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Techniques Rib raising with indirect MFR
Motion test an area of TART in all 3 planes of motion. Stack each indirectly Ventral Inhibitory Release of SNS Celiac ganglion T5-9: digestion - heart burn, gastric reflux Superior mesenteric ganglion T10-11: absoprtion - gas or bloating Inferior mesenteric ganglion T12-L2: elimination – diarrhea or constipation sexual dysfunction – premature ejaculation or inability to orgasm
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Techniques Dorsal inhibitory release of PNS Sacral Inhibition
Killer fingers Sacral Inhibition Place cephalad hand on patients sacrum with fingers pointing downwards. Place other hand on top. Gradually increase downward pressure & hold Sacral Rocking Similar position to above but interlock hands making contact with the base & apex of the sacrum. Follow inherent rocking of the sacrum by leaning side to side
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Treatments Mesenteric Release Sequence
Duodenum, Ileum & jejunum, Cecum, Ascending colon, Descending colon, Sigmoid colon Not performed on the transverse colon
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