Arteries

Question 1

Three Different types

Answer 1

Elastic ateries (conducting)
Muscular (distributing)
Arterioles(resistance)

Question 2

() arteries (conducting)
Thick-walled with large, ()-resistance lumen
Aorta and its major branches: () blood from heart to () sized vessels

Answer 2

Elastic
low
conduct
medium

Question 3

() arteries (distributing)
Deliver blood to body organs
Diameters range from pinky-finger size to pencil-lead size
Most named arteries
Thick smooth muscle; greatest contributor to ()

Answer 3

Muscular
vasoconstriction

Question 4

() (resistance)
Smallest & lead to () beds

Answer 4

Arterioles
capillary

Question 5

()
Microscopic vessels
Diameters so small only single RBC can pass through at a time
-Walls consist only of thin tunica ()
Functions: exchange of (), nutrients, wastes, hormones, etc., between blood and () fluid
() fluid: space between cells (ECF)

Answer 5

Capillaries
intima
gases
Interstitial

Question 6

Clinical tool
“/”
Test to see if () blood flow (circulation) is good
Simple, reliable, quick
Steps:
Pinch a nail bed (fingers or toes) and hold for 10 sec until white
Let go and watch color return
> 3 sec = () circulation
Repeat every 30 min for severely ill patients

Answer 6

Capillary Refill
peripheral
poor