HUMAN BLOOD

·   Universal donor group is O group

·   Total volume of blood in human body is 5.5 liters (chk 6 liters)

·   Life span of red blood cells is 120 days

·   Life of RBC is 115 days.

·   The total quantity of blood in a human body is 7-8 liter.

·   80 % water is found in pure blood

·   The pH of normal human body is Arteries 7.4

·   60% of blood plasma consists of protein.

·   Which one of the following substances is obtained by the fractionation of human blood? Gamma globulin

·   In the human circulatory system blood returns to the heart from the lungs through Pulmonary Veins.

·   First blood transfusion carried out in London

·   PH value of water is 7, blood is 7.4 and urine is 5.5-6.5

·   When iron is less in body the quantity of RBC decreases

·   Leococytosis is the increase in number of white blood cells.

·   it takes 30 seconds to blood for a complete circulation in human body

·   Blood travels 1000 times through the whole body

·   Hemoglobin is chromo-protein

·   In lymph main cells are lymphocytes

·   Blood has 83% of water

·   Blood has 60% plasma, 40% corpuscles

·   During sleep a man’s blood pressure fluctuates.

·   Fat is a Lipid

·   Human blood is 6 times thicker than water

·   Heart pumps five liters of blood in 1 minute.

·   Antigen is a substance that destroys harmful bacteria

·   Blood typing is the way of determining the blood group.

·   Platelets help to seal cuts in the skin.

·   Almost half of the blood in a body is made up of red blood cells.

·   White cells are about one for every 500 red cells.

·   A blood donor gives about 500 ml of blood.

·   RBC and WBC is bloods are counted by Hemocytometer.

·   Of the blood groups A, B, AB and O, which one is transfused into a person whose blood group is A? Group A and O

·   Your body contains eight pints of blood.

·    Kari Landsteiner discovered the blood groups of man.

·   Prothrombin, which helps in clotting of blood, is released by Blood platelets.

·   The main function of white blood cells in the body is to protect the body against diseases.

·   In which liquid component do the blood cells move about? Plasma

·   Blood can be classified into how many main types of groups? Four

·   The fluid portion of blood is known as the plasma.

·   Blood contains 91 to 92% waster.

·   Blood contains proteins like Serum Albumin, Serum Globulin, Prothrombin and Fibrinogen.

·   RBCs in venous blood have bigger size than in arterial blood.

·   RBCs due to their Hb content act as O2 carrier.

·   RBCs are also known as Erythrocytes.

·   WBCs are known as Leucocytes and act as police force of the body.

·   WBCs are larger in size as compared to RBCs.

·   Life span of WBCs is a few days to a few weeks.

·   Platelets have no nucleus.

·   Platelets are formed in red bone marrow.

·   Life span of platelets varies from 4 to 10 days.

·   Platelets are very rich in catecholamine.

·   Blood grouping is based on the presence of blood group antigen (agglutinates) on RBCs, which are inherited.

·   O group comprises of 47% of population while A with 41% is second.

·   Hemoglobin is a conjugated protein composed of heme and globulin.

·   Quantity of hemoglobin is 16-gms/100 ml of blood in Males and 14-gms/100 ml of blood in females.

·   Hemoglobin is basically from acetic acid and glycine.

·   Platelets are essential for blood clotting.