click below
click below
Normal Size Small Size show me how
CNS: Patho
CNS Medications
Question | Answer |
---|---|
What is the central nervous system composed of? | brain & spinal cord |
The peripheral nervous system is made up of... | nerves stemming off of CNS |
The peripheral nervous system is divided into... | Sensory & Motor divisions |
The sensory (afferent) division of the PNS is... | receptors TO CNS (ex: touching a table) |
The motor (efferent) division of the PNS is... | FROM CNS to nerves (ex: how to move) |
The motor (efferent) division of the PNS is divided into... | Autonomic nervous system & Somatic nervous system |
The Autonomic nervous system controls... | reflexes, breathing (involuntary) |
The Somatic nervous system is... | voluntary (ex: you tell yourself how to do it; ex: taking notes) |
The Autonomic nervous system is divided into... | Sympathethic & parasympathetic division |
The Sympathetic division controls _______ & produces _______ & _________ | fight or flight...epinephrine & norepinephrine |
The Parasympathetic division controls _______ & produces _________ | rest & digest...acetylcholine |
Activation of the sympathetic division includes the following, physical signs...(7) | 1.) dilated pupils 2.) inhibits flow of saliva 3.) accelerated heart beat 4.) dilates bronchi 5.) inhibits peristalsis & secretions 6.) conversion of glycogen to glucose (to get energy) 7.) inhibits bladder control (so we don't pee our pants) |
Neuromuscular blocking agents are used to: (3) | 1.) assist with sedation during anesthesia 2.) control seizures 3.) suppression of gag reflex (during intubation) |
Muscle relaxants & antispasmodic agents are used to...(3) | 1.) control muscle spasticity related to muscle injury 2.) muscarinic agonists (urinary retention)...help PEE 3.) muscarinic antagonists (neurogenic bladder)...prevent from peeing |