The characteristics of local potential are ()
A. not all or none
B. attenuated propagation
C. pulse generation
D. unattenuated propagation
E. summation
查看答案
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
The right descriptions about arterio-venous shunt of microcirculation are ()
A. in skin
B. thick wall
C. often opens when temperature increases
D. fast flow
E. regulating body temperature
The factors that can promote granular cell to synthesize and release renin are ()
A. BP↓
B. [Na+]↓in tubular fluid
C. renal sympathetic nerve (+)
D. stretch receptor (-)
E. renal blood flow↓
微信支付 
支付宝支付