L10 Flashcards
is pressure high or low in venous system?
low
Is pressure high or low in arterial system?
high
what equation is used to find flow?
Q = Pressure difference/resistance
what equation is used to find mean arterial presusre?
Q (flow) x resistance
how is cardiac output determined?
stroke volume x heart rate
contraction strength, contraction rate
What is the function of AV node
Pauses electrical signal while the atria finish contracting
What are the 3 general functions of blood?
Transport
immune response
coagulation
What are the 3 main transports of blood?
O2, water, nutrients, CO2 waste products
What are the 3 other transports of blood?
Heat, Hormones, immune cells and coagulation factors
what is coagulation and how?
Stop bleeding, platelets, coagulation
what is the 2 main composites of blood?
plasma and formed elements
What is in plasma?
water, plasma proteins, other solutes
What does plasma proteins do?
maintain osmotic pressure and immune response
What are in formed elements?
platelets, red and white blood cells
What do formed elements do?
immune response