Effects Of Receptor Activation Flashcards
Heart: SA node
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: Beta 1
Sympathetic: Increase in heart rate
Parasympathetic: Decrease in heart rate
Heart: Atria
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: Beta 1
Sympathetic: Increase in contractility
Parasympathetic: Decrease in contractility
Heart: AV node
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: Beta 1
Sympathetic effect: increase in conduction velocity
Parasympathetic effect: decrease in conduction velocity
Heart: His-Purkinje system
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: beta 1
Sympathetic effect: increase in conduction velocity
Parasympathetic effect: none
Heart: Ventricles
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: beta 1
Sympathetic effect: increase in contractility
Parasympathetic effect: none
Arterioles: Coronary
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: beta 2
Sympathetic effect: dilation
Parasympathetic effect: dilation
Arterioles: skin and mucosa
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: alpha 1
Sympathetic effect: constriction
Parasympathetic effect: none
Arterioles: skeletal muscle
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: alpha 1
Sympathetic effect: constriction
Parasympathetic effect: none
Receptor: beta 2
Sympathetic effect: dilation
Parasympathetic effect: none
Arterioles: abdominal viscera
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: alpha 1
Sympathetic effect: constriction
Parasympathetic effect: none
Receptor: beta 2
Sympathetic effect: dilation (mainly in liver)
Parasympathetic effect: none
Arterioles: Salivary glands
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: alpha 1
Sympathetic effect: constriction
Parasympathetic effect: dilation
Arterioles: Kidney
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: alpha 1
Sympathetic effect: constriction
Parasympathetic effect: none
Veins
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: alpha 1
Sympathetic effect: constriction
Parasympathetic effect: none
Eye: radial muscle
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: alpha 1
Sympathetic effect: constricts (pupil widens)
Parasympathetic effect: none
Eye: sphincter muscle
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: none
Sympathetic effect: none
Parasympathetic effect: contracts (pupil closes)
Eye: ciliary muscle
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: beta 2
Sympathetic effect: relaxation (flattens less for far vision)
Parasympathetic effect: contraction (lens becomes more convex)
Lungs: bronchial muscle
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: beta 2
Sympathetic effect: relaxation
Parasympathetic effect: contraction
Lungs: bronchial glands
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: alpha 1
Sympathetic effect: decreased secretion
Parasympathetic effect: increased secretion
Receptor: beta 2
Sympathetic effect: increased secretion
Parasympathetic effect: increased secretion
GI system: smooth muscle in wall
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: alpha 1, beta 1, beta 2
Sympathetic effect: relaxation (relatively weak)
Parasympathetic effect: contraction (effect MUCH stronger)
GI system: sphincters
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: alpha 1
Sympathetic effect: contraction
Parasympathetic effect: relaxation
Gallbladder ducts
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: beta 2
Sympathetic effect: relaxation
Parasympathetic effect: contraction
Urinary bladder: wall
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: beta 2
Sympathetic effect: relaxation
Parasympathetic effect: contraction
Urinary bladder: sphincter
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: alpha 1
Sympathetic effect: contraction
Parasympathetic effect: relaxation
Skin: pilomotor muscles
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: ACh
Sympathetic effect: contraction (piloerection)
Parasympathetic effect: none
Skin: sweat glands
Receptor:
Sympathetic effect:
Parasympathetic effect:
Receptor: alpha 1
Sympathetic effect: secretion (certain sites only, eg palms)
Parasympathetic effect: none
Receptor: ACh
Sympathetic effect: generalized secretion
Parasympathetic effect: none