farma coll 1 Flashcards
(65 cards)
receptors in eyes
Alpha 1 - mydriasis
Alpha 2 - decr. IOP/F
Beta 1 - incr. secr. IOF
M3 - Myosis, incr. accomodation
Receptors in heart
Beta 1 - increase HR, conduction, contractility, automatism
Beta 2 - incr.
M2 - decrease HR, conductivity
Receptors in BV
Alpha 1 - contraction
Beta 2 - relaxation
Receptors in Lungs
Beta 2 - decrease muscle tone
M3 - incr. Muscle tone, secretion
Receptors in GI
M3 - incr. muscle tone, motility, secretion
Receptors in Liver
Alpa 1 - incr.
Beta 2 - incr. glycogenolysis and glyconeogenesis
receptors in pancreas
Alpha 2 - decrease insulin
Beta 2 - increase insulin
receptors in urinary bladder
Alpha 1 - sphincter (contraction)
Beta 2 - M. detrursor (relaxation)
M3 - m.Detrursor(contraction) + sphincter (relaxation)
receptors in kidney
beta 1 - incr. renin release (incr. BP)
Beta 2 - incr. Renin release
receptors in glands
M3 - increase secretion
receptors in uterus
Beta 2 - decrease muscle tone (relaxation)
receptors in CNS
Alpha 2 - presynaptic pole (inhib)
Nn - autonomic ganglia
Receptors in Skeletal muscle
Beta 2 - increase muscle tone, glycogenolysis, K+ uptake
Nm - neuromuscular synapse (contraction)
Phenylephrine
-alpha 1 adrenoreceptor agonist
selective
-local vasocontriction
-nasal decongestants
Clonidine
-Alpha 2 adrenoreceptor agonist
selective
-hypotensive effect
-hypertesion
Isoprenaline
-β adrenoceptor
agonist
Non selective
Salbutamol
-β2 adrenoreceptor
agonist
selective
-bronchodilation + tocolytic
- asthma + premature contractions
Epinephrine
-α,β adrenoceptor agonist
non selective
Norepinephrine
-Nonselective α
selective β1 adrenoceptor agonist
- vasoconstriction
- acute hypotension
Doxazosin
-α1 adrenoreceptor ANTAgonists
selective
- Vasodilation of peripheral blood vessels
(reflect tachycardia - dangerous)
decr. urethral tone + relaxes prostate
- hypertension + prostate adenoma
Timolol
-Nonselective β adrenoblockers
-decr. IOF/P
-Glaucoma (used topically)
Propranolol
-Nonselective
β adrenoceptor ANTAgonist
-lipid soluble (BBB)
-hypertension
Metoprolol
Bisoprolol
-Selective
β1 adrenoceptor
ANTAgonist
-hypertension, CAD, AFib, CHF
Carvedilol
-Selective α1,
nonselective β adrenoceptor ANTAgonist
-cardio depressant
-CHF, CAD, Hypertension