Question | Answer |
If tumor grew posteriorly it would have to go through the retro mammary space into the underlying muscle to give | Abnormal movements of the breasts |
Autonomic system deals with | Involuntary innervation of muscles |
Nervous system is structurally divided into the | CNS & PNS |
Nervous system is Functionally divided into the | Somatic (Voluntary) & Autonomic (Involuntary) |
Smooth Vessels | Surrounds blood vessels Cardiac and Glands. |
ANS controls blood vessels by | Constriction and Dilation |
Autonomic Nervous system unlike the Somatic system | is a 2 neuron system and not a 1 neuron system |
ANS is AKA | Visceral system (Innervation of hollow organs) e. Blood vessels, heart, lung. etc. |
ANS is divided into | Sympathetic & Parasympathetic |
Sympathetic AKA | (Thoracic Lumbar Division) |
Parasympathetic AKA | (Cranio Sacro Division) Where they start decided whether they are a sympathetic or Parasympathetic nerve |
1st Nerve & 2nd Nerve | Pre Synaptic or Pre-ganglionic its cell body always originates in the CNS and axon |
Autonomic nerves are called visceral Motor nerves because | They are on the way to innervate hollow organs or Visceral |
Distinction between 2 divisions Sym and Parasympathetic is always based on | Preganglionic nerve... 1st Nerve (S |
Preganglionic or 1st nerve of the Sympathetic always originate in | The grey matter of spine... T1-L2 (Thoraco-Lumbar System) portion of the CNS |
Preganglionic or 1st nerve of the Sympathetic always originate in | the brain stem or in the grey matter of the spine S2-S4 (Cranio-Sacral) |
Sympathtic is energy dependent T/F Catabolic | True. It allows us to deal with stress. |
Para Sympathtic is energy independent T/F Anabolic | True. Quiet and orderly process. |
1st neurons in sympathetic division are in (Pre-synaptic) | Lateral horn of the (Grey Matter) spinal cord between T1-L2 |
2nd neurons in sympathetic division are in (Post synaptic) | Can be in Sympathetic Chain Ganglia or Pre-Aortic Ganglia |
Pre-Aortic Ganglia | Ganglia generally located along the aorta in the abdomen |
Sympathetic Chain Is AKA | Sympathetic Trunk |
Sympathetic Chain | Two parallel nerve cords extending on each side of the vertebral column with numerous intermittent ganglia |
Ventral Rami is connected to the Sympathetic Trunks via. | Rami Communicante. |
ONLY SYMPATHETIC USES THE CHAIN NOT PARASYMPATHETICS | TRUE |
What cell bodies originate in the lateral horn | Preganglionic Sympathetic Neuron cell body (Visceral) |
What cell bodies originate in the Ventral horn | Somatic Motor |
Preganglionic's leave the spinal nerve and get into the sympathetic chain via | White Ramus Communicans |
While in sympathetic chain there are 3 possible routes | |
Splanchnic Nerves | Pass through the sympathetic chain without synapsing and continue to pre-aortic ganglion |
Moto nerves exit the spine through the | Ventral Root. |
Visceral Motor nerves are accompanied by | Visceral Sensory Nerves |
Visceral Sensory Nerves | Conveys info back to the CNS concerning the status of what was innervated. |
Visceral Sensory Nerves are located in the | Dorsal Root Ganglion Because they are Sensory. (DRG) |
4 different branches of nerves | Somatic Motor (Ventral Horn) Somatic Sensory Visceral Motor Visceral Sensory KNOW CELL BODIES OF ALL |
Sympathetic Nerves that innervate the organs within cavities have to | Follow alternate routes. |
Visceral Nerves originate in | Lateral Horn |
They exit the chain as Cardiac Sympathetic nerves | Cardiac Sympathetic nerves or if Lungs (Pulmonary lung) |
Ventral sensory neurons aren't | so good at localizing pain. |
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