Term
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Definition
| oxygenated blood away from the heart except the Pulmonary atery and the umbilical vessels of the the fetus |
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Term
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Definition
| blood back toward the heart |
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Term
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Definition
| directly supplies nutrients and removes waste for the tissue cells |
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Term
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Definition
| directly supplies nutrients and removes waste for the tissue cells |
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Term
| what are the three layers of arteries? |
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Definition
TUNIC INTIMA= INTERIOR/ BASEMENT MEMBRANE
TUNICA MEDI= MIDDLE SMOOTH MUSCLE
TUNICA ENTERNA= OUTER/ CONNECTIVE TISSUE LAYER |
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Term
| What are the three types of arteries? |
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Definition
1.ELASTIC- large thick walled.
Aorta and its major branches.
can expand and recoil
2. MUSCULAR=disturbing arteries. deliver blood to organs
3.ARTERIOLES= samllest arteries. MOST RESITANT. GREATEST CONTRIBUTOR TO BLOOD PRESSURE. |
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Term
| What do all three types of arteries have in common? |
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Definition
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Term
| What is one of the function in cappillaries? |
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Definition
| exchange of gases and nutrients, wastes, hormones, etc between blood and tissues |
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Term
| What are the three types of Capillaries? |
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Definition
1. Continous capillaries
2. Fennestrated Capillaries
3. Sinusoidal Capillaries |
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Term
| What is the most common type of Capillary? |
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Definition
Continuous and it is least permeable.
abundant in skin and tight junctions.
also forms blood brain barrier |
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Term
| What are Fenestrated Cappillaries? |
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Definition
| cappillares that are found in organs that absorb nutrients such as teh intestine or organs that filter like the kidneys. |
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Term
| Where are the Sinusoidal Capillaries found? |
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Definition
| In the liver, bone marroe, spleen. (Tissues where cells need to enter or exit the blood stream? |
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Term
| Where can WBC (white blood cells) pass throught the capillaries? |
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Definition
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Term
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Definition
| interwoven networks of capillaries between the arterioles and venules. |
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Term
| what are the two types of vessels in the capillary beds? |
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Definition
1. A central vascular shunt.
2. True Capillaries |
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Term
| What is formed when capillary beds unite? |
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Definition
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Term
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Definition
| yes so fluid can past through them. |
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Term
| what prevents backflow in veins? |
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Definition
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Term
| If valves if vein began to fail what occurs? |
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Definition
| varicose vein or vein bulge. |
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Term
| what help the veins in getting blood back to the heart. |
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Definition
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Term
| how is blood pressure expressed? |
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Definition
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Term
| where is the highest blood pressure found? |
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Definition
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Term
| what are the two important sources of resistance in blood pressure? |
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Definition
1. blood viscoity
2. blood vesssel diameter |
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Term
| where does the steepest drop in bp? |
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Definition
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Term
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Definition
| the greater the output the higher the pressure. |
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Term
| what are the four affecting factors in peripheral blood pressure? |
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Definition
1. Prepheral resistance (lumen diameter)
2.Elascity (if vessel wall is elastic bp will be lower)
3.Volume of blood. (greater volume higher pressure)
4. Cardiac Output. the greater the ouput the higher the pressure. |
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Term
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Definition
| the difference between systolic and diastolic pressure. |
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Term
| what are 2 ways to contol bp? |
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Definition
1. short term= neural and hormonal controls (changing diameter of atereirs and arterioles)
2. Long Term- renal regulations. (altering blood volume) |
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Term
| what senses aorta and carotid pressure? |
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Definition
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Term
| What do the Barorecptors talk to when the BP is too high or too low? |
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Definition
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Term
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Definition
| is a ptotent vasoconstrictor that produces vasoconstriction right away. |
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Term
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Definition
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Term
| what is considered hypotension |
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Definition
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Term
| what are the types of Circulator Shock? |
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Definition
1. hypovolemic- low blood
2.Vascular Shock- anaphyxlaxis (vasodilation of cells)
3. Caridiogenic Shock- heart failure. |
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Term
| what is considered substained hypertension. |
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Definition
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Term
| what is it called when a pressure pushes things out of cells |
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Definition
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Term
| what is the number one protein in blood? |
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Definition
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Term
| what are the two things that determine where the fluid is being pushed in or out of a cell? |
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Definition
| Hydrostatic pressure differences and colloid osmotic pressure difference |
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Term
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Definition
| hardening and clogging of arterial walls. |
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Term
| what aerre the common arteriers that supply the brain? |
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Definition
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Term
| What arteries supply the upper limbs |
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Definition
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Term
| What arteries supply theh Pelvic Regions? |
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Definition
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Term
| What carries blood from the head and rest of the body |
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Definition
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Term
| What veins carries blood from head and neck? |
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Definition
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Term
| What veins carry blood from abdomen to the liver for processing of the nutrients absorbed from the intestine? |
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Definition
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