The increase in coronary blood flow is mainly due to []
A. Increased aortic systolic pressure and shortened diastolic period
B. Decreased aortic systolic pressure and shortened diastolic period
C. Increased aortic diastolic pressure and extended diastolic period
Decreased aortic diastolic pressure and shortened diastolic period
E. Increased aortic systolic blood pressure, unchanged diastolic period
查看答案
What can reduce the generation of interstitial fluid is []
A. Loss of large amounts of plasma proteins
B. Increased capillary blood pressure
C. Right heart failure, blocked venous return
D. Blocked lymphatic return
E. Increased plasma colloid osmotic pressure
The reason for the decrease in blood pressure when changing from a prone position to an upright position is []
A. Relaxation of arterioles
B. Large amount of blood retained in veins
C. Decreased tonicity of sympathetic vasoconstriction center
D. Increased tonicity of cardiac vagal center
E. Decreased myocardial contractility
The back gate of the microcirculation means []
Arterioles
B. Posterior arterioles
C. Anterior capillary sphincter
D. capillary network
E. venule
The main cause of edema of the lower limbs after standing too long is []
A. Dilated veins in the lower limbs
B. Increased blood flow in the lower limbs
C. Blocked lymphatic return in the lower limbs
D. Increased capillary pressure
E. Increased blood volume in the body
微信支付 
支付宝支付