The diastolic pressure reflects mainly ___. ()
A. stroke volume
B. heart rate
C. peripheral resistance
D. elasticity of aorta
E. blood volume
查看答案
The resistance vessel is ___. ()
A. the large artery
B. the small artery and the arteriole
C. the capillaries
D. the small vein
E. the large vein
The distribution of sympathetic vasoconstrictor fiber is the densest in the ___. ()
A. large artery
B. arteriole
C. precapillary sphincter
D. venule
E. large vein
The basic cardiovascular center is located in the ___. ()
A. Cerebrum
B. Hypothalamus
C. Midbrain
D. Medulla oblongata
E. Spinal cord
All arteries in the body contain oxygen-rich blood except for ()
A. the aorta
B. the pulmonary artery
C. the renal artery
D. the coronary arteries
E. the liver artery
微信支付 
支付宝支付