BIOS-255: Anatomy & Physiology III with Lab

Terms in this set (78) 1.Which of the typical blood vessels has a thin tunica tunica media dominated by collagen fibers? Correct answer: Veins 2.Capillaries surrounding the choroid plexus is of which type? Correct answer:Fenestrated capillaries Brainpower Read More 3.Blood flow through a capillary bed is passed by what structure? Correct answer:Atriovenous Anastomosis 4.Blood flows toward the heart in the veins by? -With the aid of contractions of the adjacent skeletal muscles. -Valves in the veins prevent the backflow of the blood -Pressure at the venules is higher than the pressure at the venae cava 5.As the blood flows from venules toward the heart, what increases? Correct answer:Resistance 6.Blood volume is decreased by what two hormones? Correct answer:ANP & BNP 7.Which of the following is not a vasoconstrictor? -Prostagladin -Thromboxones -Nitric Oxide Nitric Oxide 8.Vasodilation is achieved by adrenergic receptors. True or False Correct answer:False 9.Baroreceptors are found in what sinus? Correct answer:Carotid Sinuses 10.Which of the typical blood vessels has thick tunica media dominated by smooth muscle cells and elastic fibers? Correct answer:Arteries