USMLE STEP 1 Pharmacology exam with 100% correct answers Top rated

USMLE STEP 1 Pharmacology exam with 100% correct answers Top rated What are the major functions of the α1 receptor? - correctanswerIncrease vascular smooth muscle contraction, increase pupillary dilator muscle contraction (mydriasis), increase intestinal and bladder sphincter muscle contraction What are the major functions of the α2 receptor? - correctanswerDecrease sympathetic outflow, decrease insulin release, decrease lipolysis, increase platelet aggregation, decrease aqueous humor production What are the major functions of the β1 receptor? - correctanswerIncrease heart rate, increase contractility, increase renin release, increase lipolysis What are the major functions of the β2 receptor? - correctanswerVasodilation, 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? - correctanswerCNS, enteric nervous system What are the major functions of the M2 receptor? - correctanswerDecrease heart rate and contractility of atria