CH 18 Blood Part 1 Flashcards
Blood is transported through which body system?
Cardiovascular
Arteries transport blood ___ from heart
Away
Veins transport blood ___ from heart
Towards
Capillaries function
exchange between blood and body tissue
What are all the formed elements?
- Erythrocytes
- Leukocytes
- Platelets
Erythrocyte function?
Transport gasses in the blood
Leukocyte function?
defend against pathogens
Platelet function?
help form blood clots
% of blood is water?
90%
Blood viscosity is?
4-5 times thicker than water
Blood volume is?
5 liters
Viscosity will increase when?
- Number of erythrocytes increase
2. Fluid amount decreases
What is blood ph?
Slightly alkaline, between 7.35 and 7.45 ph
Why is blood ph important?
It prevents denaturing
Hematocrit definition
Percentage of only RBC
Where are most plasma proteins made?***
Liver
Function of colloid osmotic pressure?
prevents fluid loss of blood as it moves through the capillaries
Colloid osmotic pressure helps maintain?
Blood volume and pressure
Albumin are the?
The smallest and most abundant proteins (58%)
Fibrinogen function?***
helps proper blood clot formation
Hemopoiesis definition?
Production of formed elements
Hemopoiesis occurs in the?
Red bone marrow
What is EPO?
A protein that helps the formation of RBC’s
All cells start off as a?
Hemocytoblast (stemcell)
Function of albumin?
Pull water into blood
What happens if you lose all albumin in blood?***
Water will stay in the tissue and edema (swelling) will occur
If blood proteins are found in the urine what organ is not working properly?***
Kidneys
Oxygen and Co2 are transported between?
Tissue and lungs
RBC’s are packed with?
Hemoglobin
RBC’s shape is a?
Biconcave disc
