Chapter 18 practice questions

what vessels typically carry blood away from the heart?
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Terms in this set (25)
what vessels typically carry blood away from the heart?
arteries
which vessels serve as the blood reservoirs of the body?
veins
veins regulate blood pressure and control blood flow to organs (true or false)
false
which circuit has the greatest resistance?
systemic circuit
which blood vessels experience the sharpest decrease in blood pressure
systemic arterioles
what is the average value for mean arterial pressure (MAP)
95 mmHg
which of the following hormones decreases heart rate, and thus cardiac output and blood pressure?
acetylcholine
baroreceptors are located in the superior and inferior vena cava (true or false)
false
what type of capillaries have large pores within their endothelial cells and are the leakiest?
sinusoidal capillaries
Under what conditions will the myogenic mechanism slow blood flow into a capillary bed?
rising arteriolar pressure
fenestrations in capillaries are small pores that allow water and substance to move freely through these pores (true or false)trueblood pressure is equivalent to:hydrostatic pressurewhich pressure remains the same along the length of the capillary?colloid osmotic pressurewhat is edema?swellingwhat is the largest artery in the body?aortawhat name does the femoral artery take as it emerges in the posterior thigh?popliteal arterymost of the veins below the diaphragm drain into theinferior vena cavainto what vein do the splenic, gastric, superior mesenteric, and inferior mesenteric veins drain?hepatic portal veinwhich of the following represents the systemic flow of blood?artery, arteriole, capillary bed, venule, veinwhich of the following arteries has the smallest diameter?metarterioleBy which method can large substances cross the endothelial cells and exit a capillary?`transcytosisWhich pressure is created by the presence of large proteins in the blood, such as albumin?colloid osmotic pressureWhich artery supplies the small intestine with blood?superior mesenteric arteryDamage to the external iliac artery will affect delivery of blood to the:lower limbDetermine the mean arterial pressure (MAP) given a systolic pressure of 130 mm Hg and diastolic pressure of 70 mm Hg.90 mmHg