What are the major functions of the α1 receptor? Correct Answer: Increase vascular smooth muscle
contraction, increase pupillary dilator muscle
... [Show More] contraction (mydriasis), increase intestinal and bladder
sphincter muscle contraction
What are the major functions of the α2 receptor? Correct Answer: Decrease sympathetic outflow,
decrease insulin release, decrease lipolysis, increase platelet aggregation, decrease aqueous humor
production
What are the major functions of the β1 receptor? Correct Answer: Increase heart rate, increase
contractility, increase renin release, increase lipolysis
What are the major functions of the β2 receptor? Correct Answer: Vasodilation, bronchodilation,
increase lipolysis, increase insulin release, decrease uterine tone (tocolysis), ciliary muscle relaxation,
increase aqueous humor production
What are the major functions of the M1 receptor? Correct Answer: CNS, enteric nervous system
What are the major functions of the M2 receptor? Correct Answer: Decrease heart rate and contractility
of atria
What are the major functions of the M3 receptor? Correct 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)
What are the major functions of the D1 receptor? Correct Answer: Relaxes renal vascular smooth
muscle
What are the major functions of the D2 receptor? Correct Answer: Modulates transmitter release,
especially in the brain
What are the major functions of the H1 receptor? Correct Answer: Increase nasal and bronchial mucus
production, increase vascular permeability, contraction of bronchioles, pruritis, pain
What are the major functions of the H2 receptor? Correct Answer: Increase gastric acid secretion
What are the major functions of the V1 receptor? Correct Answer: Increase vascular smooth muscle
contraction
What are the major functions of the V2 receptor? Correct Answer: Increase H2O permeability and
reabsorption in collecting tubules of kidney (V2 is found in the "2" kidneys)
What receptors are associate with Gq? Correct Answer: H1, α1, V1, M1, and M3 [Show Less]