Autonomic Nervous System drugs Flashcards
The ANS conducts impulses from the CNS to what type of three tissue?
1.cardiac muscle
2.smooth muscle
3.glandular tissue
What are the divisions of the ANS?
1.symphathetic(sns)
2.parasympathetic(pns)
3.enteric(ens)
Involuntary-relays info to internal organs?
ANS
What is the function of the autonomic nervous system?
a control system that acts largely unconciously and regulates bodily functions such as the heart rate,digestion,respiratory rate,pupillary response,urination and sexual.
What is the main part of the brain that controls the autonomic nervous system?
The Hypothalamus
What is the main part of the brain that directly controls heart rate,blood pressure and respiration?
Medulla Oblongata
Originates in the brainstem or the spinal cord,secrete acetycholine.
Preganglionic Neurons
What are the actions of the parasympathetic system?
slows heart rate,lowers blood pressures,increases intestinal activity,constricts pupils,and empties urinary bladder.
What receptors does the parasympathetic system act on?
Cholinergic receptors muscarinic and niicotinec
Sympathetic nervous system has what type of fibers?
Adrenergic
Neutransmitters of the Sympathetic nervous system?
Epi,Norepi,Dopamine
Parasympathetic nervous system has what type of fibers?
Cholinergic
Neutransmitters of Parasympathetic
Acetylcholine
Chemicals that called neutransmitters are released at the nerve endings
In the ANS
Neutransmitters transmit the nerve impulse at the synapse from nerve to nerve to smooth muscle or glands.
ANS
4 drugs that affect the ANS
1.Adrenergic
2.Adrenergic Blockers
3.Cholinergics
4.Cholinergics Blockers
Mimic the sympathetic nervous sytem
Sympathomimetics
Autonomic nervous system controls
Smooth muscle, cardiac muscle, and glands.
one of two main divisions of the autonomic nervous system (ANS)
action is to mobilize the body’s fight-or-flight response
Which bodily function does the autonomic nervous system not control
the autonomic nervous system controls activity that humans cannot consciously control, such as the pumping of the heart and the movement of food through the digestive tract.
