Significant role of blood clotting is played by which of the following?
Neutrophils
Thrombocytes
Erythrocytes
Leucocytes
What is the normal blood sugar level in a healthy man?
60-80 mg / 100 ml
80-100 mg / 100 ml
80-120 mg / 100 ml
80-140 mg / 100 ml
Which of the following vein has least amount of urea ?
Pulmonary vein
Hepatic portal vein
Hepatic vein
Renal vein
What is the shape of nucleus in W. B. C.?
Round
Oval
Spindle
Irregular
Prothrombin which helps in clotting blood is released by:
Blood platelets
Blood corpuscles
Blood plasma
Traumatized tissue
When does leukopenia occur?
Typhoid infection
Allergy
Influenza
Eosinophilia
During normal conditions, coagulation of blood in the vessels is prevented by:
Prothrombin
Calcium
Plasminogen
Heparin
Among vertebrates, the largest erythrocytes (above 80µ in diameter) are found in which of the following organisms?
Amphiuma
Camel
Elephant
Ostrich
Person with blood group A possesses which antibody?
A only
B only
No antibodies
Both A and B
Which of the following is different from others in the absence of muscular coat?
Veins
Arteries
Capillaries
Arterioles
