Term
| 3 layers in arteries and veins |
|
Definition
Tunica externa or adventitia
Tunica media
Tunica Intima |
|
|
Term
| What kind of cell makes up Tunica externa? |
|
Definition
Loose CT
Thickness varies with vessel size |
|
|
Term
| What kind of cells makes up Tunica media? |
|
Definition
Smooth muscle (Constricts or dilates instead of pumping blood)
CT (Elastic in arteries, Loose in veins) |
|
|
Term
| What kind of cell makes up Tunica intima? |
|
Definition
Simple squamous epithelium = endothelium
Only later in capillaries |
|
|
Term
| What are the exceptions to the artery and vein oxygenation rule? |
|
Definition
| Pulmonary and Fetal arteries and veins |
|
|
Term
| What are capillaries entered by? |
|
Definition
|
|
Term
| What are capillaries exited by? |
|
Definition
|
|
Term
| What is the Precapillary sphincter? |
|
Definition
Smooth muscle around arteriole
Shunts |
|
|
Term
| Is the pressure greater inside a capillary or out? |
|
Definition
|
|
Term
| What recovers lost plasma from capillaries? |
|
Definition
|
|
Term
| What creates a pressure wave? |
|
Definition
|
|
Term
| How is pressure maintained? |
|
Definition
| The elasticity of arterial walls |
|
|
Term
| What does the pressure wave do? |
|
Definition
| Keep blood moving in a forward direction |
|
|
Term
| Can you measure blood pressure (BP) in peripheral arteries? |
|
Definition
|
|
Term
| Does pressure drop as arterial size increases? |
|
Definition
| No, it drops as it decreases |
|
|
Term
| Is pressure higher in veins or capillaries? |
|
Definition
|
|
Term
| How does blood get back to the heart in veins? |
|
Definition
Skeletal muscle contraction to move body
Smooth muscle contraction of internal organs
Valves prevent backflow
Respiration |
|
|
Term
| What do veins have that prevent the backflow of blood? |
|
Definition
|
|
Term
| What other thing also helps with blood movement? |
|
Definition
| Digestion because of the contractions in the muscles |
|
|
Term
| T or F: The Lymphatic System is part of the Circulatory System |
|
Definition
|
|
Term
| What does the Lymphatic System do? |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| Lymph vessels from intestine |
|
|
Term
| Where does the lymphatic system return to circulation |
|
Definition
|
|
Term
|
Definition
| Group of nodules in specific places |
|
|
Term
| What are the functions of the Spleen? |
|
Definition
Get rid of old RBC
Helps with immunity
Stores iron |
|
|
Term
|
Definition
| Excess interstitial fluid that causes swelling |
|
|
Term
|
Definition
Excess fluid lost at capillary beds
Blocked lymphatic vessels
Protein derangements in cells and interstitial fluids |
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|
