CA1 Flashcards
Sinoatrial node
Accelerates
Beta 1 and beta 2
GI walls
Relaxes
Beta 2 and alpha 2
Ectopic pacemakers
Accelerates
Beta 1 and beta 2
Contractility
Increases
Beta 1 and beta 2
Skin, splanchnic vessels
Contracts
Alpha
Skeletal muscles
Both contracts and relaxes
Relaxes : beta 2
Contracts : alpha
Bronchiolar smooth muscle
Relaxes
Beta 2
Sphincters
Contracts
Alpha 1
Secretion
Inhibits
Alpha 2
Cholinergic is generally associated to
Parasympathetic
Examples of cholinergic receptors are
Nicotinic and muscarinic
What does the parasympathetic control
Rest and digest
What is the endogenous ligand for cholinergic receptors
Acetylcholine
What is the endogenous ligand for sympathetic
Epinephrine or norepinephrine
How many alpha receptor antagonist are there
3
What are the alpha antagonists
Alpha 1 Selective , alpha 2 selective , non selective,
How many beta receptor antagonists are there
4
What are the beta antagonists
Non selective (1st gen), beta 1 selective (2nd gen), beta 1 selective (3rd gen), non selective (3rd gen)
How many types of adrenergic agonists are there
3
What are the types of adrenergic agonists
Indirect acting
Direct acting
Mixed acting
What are the 4 types of indirect acting agonists for adrenergic receptors
MAO (monoamine oxidase)
COMT ( catechol O methyltransferease)
Releasing agents
Uptake inhibitor
Is alpha 1 inhibotry or excitatory
Excitatory
Is alpha 2 excitatory or inhibitory
Inhibitory
Is beta 1 excitatory or inhibitory
Excitatory
Is beta 2 excitatory or inhibitory
Inhibitory
What is the affinity for beta 2 like
Affinity for only epinephrine
What is the gene affected by polymorphism for PD
HLA-B*1502 (adverse rxns)
VKORC1 and HER2 (therapeutic effect)
What is the gene affected by polymorphism for PK
Phase 1 : CYP2C19, CYP2C9, CYP2D6 (drug metabolism)
phase 2 : UGT1A1 (drug metabolism)
OATP1B1 (transporters)
What are the methods to increase cholinergic effect
- Increase agonists
- Reduce cholinesterase
How many types of anti cholinergic drugs are there
3
What are the 3 cholinergic antagonists
- Cholinesterase regenerator
- Anti muscarinic
- Anti nicotinic
What are the 2 types of anti muscarinic drugs
M1 selective and non selective
What are the 2 types of anti nicotinic drugs
Neuromuscular and ganglion blockers
What kind of protein are muscarinic receptors
GPCR
What kind of proteins are nicotinic rceptors
Ion channels
What type of proteins are adreneergic receptors
GPCR
What happens to the heart during sympathetic and how
Increase heart rate and contraction force
Beta 1
Constriction of blood vessels
Alpha 1
What happens to the lungs during sympathetic and how
Dilation of brionchioles
Beta 2
What happens to the GI during sympathetic and how
Sphincter contract alpha 1
Decrease motility movement alpha 2 and beta 2
Inhibit dsecretion alpha 2