Share Blood Vessel Physiology
Save to Folder
Any condition in which blood vessels are inadequately filled and blood CANNOT circulate normally is called __________.
circulatory shock
Loss of vasomotor tone that results in a huge drop in peripheral resistance is known as __________.
vascular shock
Which abdominal artery branches to form the common hepatic artery, left gastric artery, and splenic artery?
celiac trunk
What is the longest vein in the body?
great saphenous vein
Which of the layers of an artery wall is regulated by the sympathetic nervous system and many hormones?
tunica media
The flow of blood from the left ventricle to the right atrium is called the __________.
systemic circulation
Changes in peripheral resistance are primarily driven by __________.
blood vessel diameter
Most neural controls of blood pressure involve input from baroreceptors, which are sensitive to __________.
changes in blood pressure
Which of the following is the major force generating blood flow?
the pumping action of the heart
Blood services the myocardium of the heart by coronary vessels that originate from the __________.
aorta
Blood flows directly from __________ into capillary beds.
arterioles
The capillaries that exhibit the lowest level of permeability are the __________.
continuous capillaries
TRUE or FALSE: Baroreceptors are effective in long-term regulation of blood pressure.
FALSE
Blood from the brain is returned to the heart via the __________.
superior vena cava
The hepatic portal system collects blood from the __________ and then routes it to the __________.
GI tract; liver
