Quiz____?
What are the major functions of the α1 receptor? -
Answer✓✓
Increase vascular smooth muscle contraction, increase pupillary dilator muscle contraction
(mydriasis), increase intestinal and bladder sphincter muscle contraction
Quiz____?
What are the major functions of the α2 receptor? -
Answer✓✓
Decrease sympathetic outflow, decrease insulin release, decrease lipolysis, increase platelet
aggregation, decrease aqueous humor production
Quiz____?
What are the major functions of the β1 receptor? -
1
, Answer✓✓
Increase heart rate, increase contractility, increase renin release, increase lipolysis
Quiz____?
What are the major functions of the β2 receptor? -
Answer✓✓
Vasodilation, bronchodilation, increase lipolysis, increase insulin release, decrease uterine tone
(tocolysis), ciliary muscle relaxation, increase aqueous humor production
Quiz____?
What are the major functions of the M1 receptor? -
Answer✓✓
CNS, enteric nervous system
Quiz____?
What are the major functions of the M2 receptor? -
Answer✓✓
Decrease heart rate and contractility of atria
2
, Quiz____?
What are the major functions of the M3 receptor? -
Answer✓✓
Increase exocrine gland secretions (e.g., lacrimal, salivary, gastric acid), increase gut peristalsis,
increase bladder contraction, increase bronchoconstriction, pupillary sphincter muscle
contraction (miosis), ciliary muscle contraction (accommodation)
Quiz____?
What are the major functions of the D1 receptor? -
Answer✓✓
Relaxes renal vascular smooth muscle
Quiz____?
What are the major functions of the D2 receptor? -
Answer✓✓
Modulates transmitter release, especially in the brain
Quiz____?
What are the major functions of the H1 receptor? -
Answer✓✓
3
, Increase nasal and bronchial mucus production, increase vascular permeability, contraction of
bronchioles, pruritis, pain
Quiz____?
What are the major functions of the H2 receptor? -
Answer✓✓
Increase gastric acid secretion
Quiz____?
What are the major functions of the V1 receptor? -
Answer✓✓
Increase vascular smooth muscle contraction
Quiz____?
What are the major functions of the V2 receptor? -
Answer✓✓
Increase H2O permeability and reabsorption in collecting tubules of kidney (V2 is found in the
"2" kidneys)
4