Pharmacology 2 Flashcards
Central Nervous System
Brain and spinal cord
Peripheral Nervous system
Autonomic and Somatic
Autonomic Nervous system
Sympathetic and Parasympathetic. Involuntary automatic functions.
Sympathetic Nervous System
Fight or flight. Increased automaticity, increased heart rate, increased contractility, increased blood flow to body parts that need it and decreased blood flow to less important body parts.
Afferent
Travels towards CNS
Efferent
Travels away from CNS
Pairs of Nerves?
43
Sympathetic Nervous System receptors
Adrenergic
Adrenergic Receptors
A1, A2, B1, B2, B3, and dopaminergic
Sympathetic Neurotransmitters
Epinephrine and norepinephrine
Parasympathetic Nervous System receptors
Cholinergic
Cholinergic Receptors
Muscarinic and Nicotinic
Parasympathetic Neurotransmitters
Acetylcholine
Alpha 1 Receptor
Peripheral Vasoconstriction
Alpha 2 Receptor
Feedback loop, prevents release of norepi