Neurotransmitter Effects Flashcards
Effects of Alpha Agonists on the Eye Pupil
Dilation
Effects of Alpha Antagonists on the Eye Pupil
Contriction
Effects of Muscarinic Agonists on the Eye Pupil
Constriction of sphincter muscles
Effects of Muscarinic Antagonists on the Eye Pupil
Dilation of Sphincter Muscles
Effects of Muscarinic Agonists on Eye Focus
Near sight improved (ciliary muscles contract to round the lens)
Effects of Muscarinic Antagonists on Eye Focus
Far sight improved (ciliary muscles relax to flatten lens)
Effects of Alpha Agonists on Salivary Glands
Inhibition of secretions
Thick mucus is secreted
Effects of Alpha Antagonists on Salivary Glands
Minimal stimulation of salivary glands
Effects of Muscarinic Agonists on Salivary Glands
Stimulation of watery, dilute saliva
Effects of Muscarinic Antagonists on Salivary Glands
Dries mouth
Effects of Beta 1 and Beta 2 Agonists on Bronchiole Diameter
Dilation (Increased diameter)
Effects of Beta 1 and Beta 2 Antagonists on Bronchiole Diameter
Constriction (Decreased diameter)
Effects of Muscarinic Agonists on Bronchiole Diameter
Constriction (Diameter decreases)
Effects of Muscarinic Antagonists on Bronchiole Diameter
Slight dilation possible
Effects of Beta 1 and Beta 2 Agonists on Bronchiole Secretions
Decreases
Effects of Beta 1 and Beta 2 Antagonists on Bronchiole Secretions
Increases
Effects of Muscarinic Agonists on Bronchiole Secretions
Increases
Effects of Muscarinic Antagonists on Bronchiole Secretions
Dryness
Effects of Beta 1 and Beta 2 Agonists on Heart Rate
Increases
Effects of Beta 1 and Beta 2 Antagonists on Heart Rate
Decreases
Effects of Muscarinic Agonists on Heart Rate
Decreases
Effects of Muscarinic Antagonists on Heart Rate
Increases
Effects of Beta 1 and Beta 2 Agonists on Heart Contractility
Stronger Contractility
Effects of Beta 1 and Beta 2 Antagonists on Heart Contractility
May cause weaker contractility
Effects of Muscarinic Agonists on Heart Contractility
May cause weaker contractility
Effects of Muscarinic Antagonists on Heart Contractility
May cause stronger contractility
Effects of Alpha Agonists on Blood Pressure
Increases pressure (Constriction of blood vessels)
Effects of Alpha Antagonists on Blood Pressure
Decreases pressure, especially upon standing (Dilation of blood vessels)
Effects of Beta 1 and Beta 2 Agonists on Blood Pressure
Usually increases pressure (Reduction of renin)
Effects of Beta 1 and Beta 2 Antagonists on Blood Pressure
Usually decreases pressure mildly
Effects of Muscarinic Agonists on Blood Pressure
Decreases via dilation of blood vessels and decreased heart rate
Effects of Muscarinic Antagonists on Blood Pressure
Minor increase via constriction of blood vessels
Effects of Alpha Agonists on GI Secretions
May increase slightly
Effects of Muscarinic Agonists on GI Secretions
Increases secretions
Effects of Muscarinic Antagonists on GI Secretions
Decreases secretions
Effects of Alpha Agonists on GI Motility
Minor decrease in motility, secondary to sphincter constriction
Effects of Alpha Antagonists on GI Motility
Only minor effects
Effects of Beta 1 and Beta 2 Agonists on GI Motility
Decreases motility
Effects of Beta 1 and Beta 2 Antagonists on GI Motility
Increases motility
Effects of Muscarinic Agonists on GI Motility
Increases motility
Effects of Muscarinic Antagonists on GI Motility
Decreases motility
Effects of Beta 1 and Beta 2 Agonists on the Urinary Bladder Wall
Relaxation of wall
Effects of Beta 1 and Beta 2 Antagonists on the Urinary Bladder Wall
Constriction of wall
Effects of Muscarinic Agonists on the Urinary Bladder Wall
Stimulation of bladder wall (creates sense of urinary urgency)
Effects of Muscarinic Antagonists on the Urinary Bladder Wall
Inhibition of bladder wall