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
What is the feature of the Donnan’s membrane?
it is highly permeable to some iions like Cl- and HCO3- while it is impermeable to Na+ and K+
What type of respiration takes place in the RBC?
anaerobic
What is the enzyme present in the RBC that can helps in the formation of HCO3- and what is its catalyst?
the enzyme is called : Carbonic Anhydrase
Zn it boosts the function of CA 5000 times
What is the function of CA ?
it helps in speeding up the dissociation and formation of cabonic acid
What is the color of a SINGLE RBC?
it is pale yellow in color while a group of them is red in color
What is the charge on the iron ion present in the haemoglobin?
Fe 2+
How much RBC does a normal human have in 100 ml of blood?
12 -16 gm of Hb
How much blood does a healthy adult man , new born baby and female have in 1mm-3 of blood ?
5- 5.5 million ( man)
- 8 million in mm-3 of new born baby
- 5 - 5 million m-3 in female
How many Hb deos each RBC contain ?
26.5 crore
What are the two components of hte Hb?
5% Fe and porphyrin
95% of globin ( 4 poly peptids)
What is Hb molecule type of difernet man and foetal Hb ?
adult man Hb type 1 : A2B2
adult man Hb type 2 : A2d2 ( d : delta )
foetal Hb : A2G2 (G: gamma )
What is the number of amio acids present in the various types of globin chains of the Hb?
alpha : 141 amino acids
beta : 146 amino acids
gamma : 146 amino acids
delta : 146 amino acids
Which type of Hb has the max capacity of binding with the O2 ?
foetal Hb
What is the meaing of anisocytosis?
the change in hte shape of the RBC
In which animal and class do we find the largest and smallest RBC ?
amphiuma ( amphibia) 75- 80 micro meter ‘
musk deer ( mammalia) 2.5 micro meter
What is the meaing of crenation ?
the shrnking of RBC
What is the isotonic value for NaCl and glucose for a human RBC?
0.8 - 1.0 % NaCl
5% w/v in glucose
What is th elife span of RBC , new born baby and frog?
RBC : 120 days
New born baby : 100 days
frog : 100 days
What is the ocndition of increased and decreased RBC count called?
polycethemia
anaemia
Hormone that stimulates erythropoesis and where ?
erythropoetin and kidney
Where is the first RBC produced?
in the yolk sac
What are hte erythropoetic organs in the embryo?
yolk sac , liver , spleen, placenta, thymus
Where is the RBC produced in adult man ?
Red bone marrow
Where is RBC collected in an adult man?
trabaculae
Which organ is called the graveyard of RBC and why?
spleen ( because RBC are destroyed here)
Where are the excess of RBC stored in our body?
spleen
Which organ is called ht eblood bank?
spleen
What is the adhering blood corpuscles of RBC called and wy does it happen?
rouleaux , and this is caused do to slow blood flow
What is the meaning of haemoconia?
the minutes bits of blood corpuscles
Name the green colored respiratory pigment of RBC of some animals?
chlorocruorin , it is green colored Fe pigment and is found in annelids
Name the Cu containing respiratory pigments in some animals and what are these animals ?
hemocyanin , crustaceons
What are the differnces between granulocytes and agranulocytes?
Granulocytes:
1) cytoplasmic granules are present
2) multilobed nucleus is present
3) produced in the bone marrow
Agranulocytes :
1) cytoplasmic lobes are absent
2) multilobed nucleus is absent
3) they are produced in the lymphoid organs
What are the various granulcytes and what are their functions? and how many lobes do each of them have ?
acidophils : (2) they produce response to alllergy
basophil : (3) histamine, heparin, serotonin
neutrophil : (5 to 3) they are phagocytotic and are called the micro policeman
What are teh functions of the various agranullocytes and what is theri shape of nucleus?
monocyte (kidney shaped) : the are called scavengers and are also called hte macro policeman
lymphocyte ( spherical) : they function for the immune system
What is the function of neutrophils?
they destroy the BACTERIA and VIRUS with the help of phagocytosis
What are the types of T lymphocytes and also tell the functions?
T killer cells(cytotoxic cells) : kill the microbes
T helper cell : stimulate
T- Suppresor ( t regulator ) : supresses T killer and protect hte immune system
What is the funciton of B lymphocytes?What are their different types along with their function?
it helps in production and transport of antibodies
B plasma:
B memory:
Which the smallest blood cell?
RBC
What is the shape of the nucleus of basophils and what is the stain used to stain them?
S shape nucleus
they are stained by METHYL BLUE
What is the meaning of DLC and TLC?
DCL : differential lymphocyte count
TLC : total leukocyte in the blood
What is the meaning of leukocytosis, leucocytopenia ?
leukocytosis: increase in TLC , mostly TLC increases in bacterial and viral infeciton
Leokocytopenia :decrease in TLC in some infection like AIDS and typhoid
What is leukemia and what is the number of WBC present in the body of a patient who has leukemia ?
leukemia is the abnormal increase in the amount of WBC in the body
their body had more than 1 lakh WBC
How does acidophiles deal with the parasite?
they synthesise histamin during allergic response , they act as lysosomes during infection
they attach themselves to the body wall o the parasites and then synthesizes some enzymes that dissolves the body wall of the parasite
What is the meaning of diapdasis?
the fact that neutrophils can squeeze themselves through the wall of blood capillary is called diapedasis
From where does the platelets derive from?
megakaryocyte cells of hte bone marrow
What is the name of the platelets found in the blood of other vertebrate other than mammals?
spindle corpuscles
Which is the least found lymphocyte ?
basophils
What are the functions of platelets? What are the charecteristics of the platelets?
size
life span
normal count
1) repair the endothelium of blood by forming platelet plug
2) sythesize thromboplastin clotting factor 3 which helps in blood clotting
3) synthesize serotonin
2-3 micro meter
life span 2-5 days
normal platelets count : 1.5 lakh to 3.5 lakh
What is the condition called when there is less number of platelets?
thrombocytopenia