HomeCoursesMEDSCI 142: Organ SystemsLecture 12 Lecture 12 0% Question 1 of 6 What is oncotic pressure? The pressure gradient drawing fluid into the capillaries caused by proteins in capillaries (albumin).What is oncotic pressure?==The pressure gradient drawing fluid into the capillaries caused by proteins in capillaries (albumin). Question 1 of 6Question 2 of 6 How fast does the sympathetic nervous system respond to a sudden drop in BP? Very fast (within a heartbeat)How fast does the sympathetic nervous system respond to a sudden drop in BP? == Very fast (within a heartbeat) Question 2 of 6Question 3 of 6 What is the primary neurotransmitter used in sympathetic neurons for vasoconstriction. NorepinephrineWhat is the primary neurotransmitter used in sympathetic neurons for vasoconstriction. == Norepinephrine Question 3 of 6Question 4 of 6 What happens to arterioles when norepinephriene released by sympathetic nerves is decreased? Vasodilation, decreased heart rate, decreased contractility, CO ↓, HR ↓.What happens to arterioles when norepinephriene released by sympathetic nerves is decreased? == Vasodilation, decreased heart rate, decreased contractility, CO ↓, HR ↓.Question 4 of 6Question 5 of 6 What happens when the sympathetic nervous system stimulates the adenal medulla? Norepinephrine / epinephrine released.What happens when the sympathetic nervous system stimulates the adenal medulla? == Norepinephrine / epinephrine released. Question 5 of 6Question 6 of 6 What factors influence total peripheral resistance? Tone in arterioles, blood viscosity, concentrated RBCWhat factors influence total peripheral resistance? == Tone in arterioles, blood viscosity, concentrated RBCQuestion 6 of 6 Loading...