Epinephrine
a. is secreted by the adrenal medulla
b. is secreted along with norepinephrine
c. reinforces sympathetic nervous system activity
d. mobilizes energy reserves
e. has all of the above characteristics
E
You might also like to view...
Which contraction occurs when you try (unsuccessfully) to move a wall?
A. Isometric B. Isotonic
Stimulation of a neuron that terminates in the superior region of the left postcentral gyrus would produce
A) a sensation in the right leg. B) a sensation in the lips. C) a muscle twitch in the right leg. D) a muscle twitch in the lips. E) both sensations and muscle twitches in the right leg.
A voltage-gated K+ channel that is also a delayed rectifier will
A) Open very quickly in response to changes in membrane potential. B) Make it very difficult to start an action potential. C) Delay the start of an action potential. D) Open slowly, increasing the length of the action potential.
Smooth muscle cells in the walls of the afferent and efferent arterioles dilate or constrict as needed in response to changes in blood pressure. This process of autoregulation is called the ____________________
A. myogenic mechanism B. tubular secretion C. tubuloglomerular feedback D. glomerular filtration E. tubular reabsorption