The major storage vessels for blood volume are: O A. The Veins. OB. The Aorta. OC. The Capillaries. OD. The Arterioles. OE. The Ductus Arteriosus.

The right and left coronary arteries arise from where? Thoracic aorta, base of the aorta, superior vena cavae, or pulmonary artery

Comparing and contrasting arteries and veins, veins havea. thicker walls.b. a greater amount of smooth muscle than arteries.c. a tunica media, but arteries do not.d. valves, but arteries do not.e. All of these are correct

different in composition between the blood entering and blood leaving the following organs; 1.lungs 2.kidney

The major compliance element in the arterial circulation is: O A. The arterioles. O B. The Vena Cava. OC The capillaries. O D. The endothelium. E. None of the above.

The lungs area. part of the mediastinum.b. surrounded by the pericardial cavity.c. found within the thoracic cavity.d. separated from each other by the diaphragm.e. surrounded by mucous membranes

Endothelium in the arterioles does not A. Release nitric oxide to relax contraction. OB. Sense stress due to fluid flow and/or pressure in the arteriole OC Face the lumen of the arteriole. D. Contract to reduce the capillary diameter. O E. All of the above are true.

If a blood veseel is red, then it is artery and it carries oxygen rich blood. TRUE or false

Which of the following are the layers of a blood vessel? (Select all that apply.) Tunica superficialis Tunica media Tunica intima Tunica corneum Tunica externa

The external jugular veins dump blood into the: inferior vena cava hepatic veins O subclavian veins O subscapular veins