4.3 Body fluids and circulation Flashcards
What is ht ecolour , pH and wieght percentage and volume of blood in human?
red
pH 7.4
7-8 % of the body weight
4-5 L in females and 5-6 L in males
Why is blood a false CT?
1) the cells do not have the power to divide on their own
2) they don’t secrete their own matrix
3) matrix is devoid of fibres
What is the percentage of cells and plasma in the blood?
55% plasma
45% cells ( RBC , WBC )
What are the two main components of the plasma and what is their percentage>?
solid : 8 -10%
liquid : 90-92 %
What is the meaning of packed cell volume?
% of volume of total number of blood corpuscles in blood
What is the meaning of hematocrit volume?
% of the total RBC in the blood
What is the inorganic parts of the plasma and is the percentage composition ?
1-2%
ions : K+ ,Na + , Mg ++ , Ca++, HCO3– ,Cl – , CO3–
salts: KCl, MgCl2, NaHCO3
gases : O2, CO2, N2
What is the organic part of the plasma?
7-8% vitamins nutrients : glucose , amino acids , lipids hormones proteins
What are the proteins present in teh blood?
fibrinogen : clot formation
thrombin : clot formation
albumin : osmotic pressure
globulins : many functions
What are the various globulins and what are their function ?
alpha globulins: Cu
beta : Fe transport
Gamma : immune response
What are the various gamma globulins and what are their respective funcitons?
IgG : smallest antibody
IgA : liquid anti body ( we get it form the first time from clostrum)
IgM : largest , pentamere ,(immunoglobulin)
IgD : present on the surface lymph organ
IgE : allergic antibody
What is the ratio of albumin and globulins?
2 : 1
What is the normal bloof glucose level?
80 -100 mg / 100 ml of blood
What is the normal cholesterol level in the blood?
150-260 mg in 100 ml of blood
What is the normal urea level of blood?
17 - 30 mg/ 100 ml of blood
What is the urea level when the amount of urea in the
40mg - 100 mg
What happens if the urea level increases beyond the normal?
the condition is called UREMIA
the shape of RBC becomes irregular and then teh RBC is destroyed in the spleen
What happens to the RBC due to uremia?
the cell gets distorted and it is called Burr cells
What is the physical feature os the RBC?
disc like
biconcace
circular cross section
no nucleus
Why is hte shape of RBC is bi concave ?
to increase the surface area of the cells
What is the endo skeleton of the RBC composed of?
stromatin
Name some mammal whose RBC is biconvex in shape?
lamma and camel
What is the diameter of the blood capillary and the RBC?
RBC : 7.5 micro meter
capillary : 5 micro meter
What is the plasma membrane of the RBC called?
Donnan’s membrane