Which descriptions are right about secondary active transport? ()
A. substances transport against concentration
B. using the energy
C. the energy from primary active transport
D. symport of glucose in the epithelium of renal tubule
E. symport of glucose in the epithelium of small intestine
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Which substances are transported by simple diffusion? ()
A. N2
B. water
C. ethanol
D. urea
E. glycerol
The characteristics of local potential are ()
A. not all or none
B. attenuated propagation
C. pulse generation
D. unattenuated propagation
E. summation
The right descriptions about angiotensin Ⅱ effects include ()
A. its direct effect is vasoconstriction
B. it can excite vasoconstrictor nerve
C. it can excite vasoconstrictor center
D. it can stimulate zona glomerulosa of the adrenal cortex to release aldosterone
E. it is activated by renin
The factors involved in cardiovascular activities are ()
A. angiotensin Ⅱ
B. epinephrine
C. norepinephrine
D. vasopressin
E. prostacyclin
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