β1 receptor locate in ( )
A. myocardia tissues
B. vascular smooth muscles
C. bronchial smooth muscles
D. iris muscles
E. Gut smooth muscles
Thermoregulatory sweat glands in the body utilize what type of pathway?(
A. Cholinergic nerves and muscarinic receptors
B. Adrenergic nerves and alpha-1 receptors
C. Adrenergic nerves and beta-2 receptors
D. Cholinergic nerves and NM receptors
E. Neurohumorally-released epinephrine
F. Neurohumorally-released epinephrine
Which of the following routes of administration has the highest bioavailability?
A. Intramuscular
B. Intravascular
C. Oral
D. Sublingua
E. Subcutaneous
F. Sublingua
Most drugs gain entry to cells by ()
A. Passive diffusion with zero-order kinetics
B. Passive diffusion with first-order kinetics
C. Active transport with zero-order kinetics
D. Active transport with first-order kinetics
E. Passive diffusion through membrane pores
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