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Rio Bio 202

Rio Bio 202 - Ch19 Cardiovascular - Blood Vessels

QuestionAnswer
During pulmonary circulation, blood leaves the right ventricle and moves to the lungs
During systemic circulation, blood leaves the left ventricle and goes directly to the aorta
The coronary arteries arise from the aorta
The endothelium is composed of simple squamous epithelium
The inferior vena cava brings blood from the lower regions of the body and empties into the right atrium
Which is the correct sequence of layers in the vessel wall from outside to inside? tunica externa, tunica media, tunica interna
Which of the following is the major force generating blood flow? Pumping action of the heart
The major long-term mechanism of blood pressure control is provided by the kidneys
Blood enters the myocardium of the heart by coronary vessels that originate from the aorta
Exchanges of gases and nutrients occurs by diffusion between the capillaries and tissue cells
Any condition in which blood vessels are inadequately filled and blood cannot circulate normally is called circulatory shock
Reduction in lumen diameter of a blood vessel as the smooth muscle contracts in known as vasoconstriction
The only vessels that provide direct access to nearly every cell in the body are the capillaries
Which of the following regulates blood flow at the entrance to each true capillary precapillary sphincter
Loss of vasomotor tone resulting in a huge drop in peripheral resistance is known as vascular shock
Which of the following arteries braches from the common hepatic artery, left gastric artery and splenic artery? Celiac trunk
Which of the following veins is the longest in the body? Great saphenous vein
Created by: sug345
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