Person with blood group A possesses which antibody?
A only
B only
No antibodies
Both A and B
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
Membrane surrounding the heart is called:
Peritoneum
Visceral membrane
Pericardium
Pleural membrane
The vessel which leads blood to Bowman's capsule is:
Afferent arteriole
Pulmonary vein
Efferent arteriole
Renal vein
Significant role of blood clotting is played by which of the following?
Neutrophils
Thrombocytes
Erythrocytes
Leucocytes
What is an antibody?
Molecule that specifically inactivates an antigen
WBC which invades bacteria
Secretion of mammalian RBC
Component of blood
When does leukopenia occur?
Typhoid infection
Allergy
Influenza
Eosinophilia
Among vertebrates, the largest erythrocytes (above 80µ in diameter) are found in which of the following organisms?
Amphiuma
Camel
Elephant
Ostrich
Who discovered Rh factor?
Harvey, W.
Landsteiner and Wiener
Levine
Wiener
During normal conditions, coagulation of blood in the vessels is prevented by:
Prothrombin
Calcium
Plasminogen
Heparin