单选________ are smallest blood vessels, which provide sites of exchange of substances between the blood and the body cells
A. veins
B. capillaries
C. venules
D. arteries
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单选Which of the following is the innermost layer of the heart wall?( )
A. epicardium
B. myocardium
C. endocardium
D. pericardium
单选Which of the following means heart muscle disease? ( )
A. tachycardia
B. pericarditis
C. cardiomyopathy
D. cardiomegaly
单选Which of the following means hardening of the vessel?( )
A. vasculopathy
B. vasography
C. angiosclerosis
D. angiostenosis
单选Which of the following means suturing of an artery? ( )
A. venorrhaphy
B. telangiitis
C. phleboplasty
D. arteriorrhaphy