Membrane surrounding the heart is called:
Peritoneum
Visceral membrane
Pericardium
Pleural membrane
What is an antibody?
Molecule that specifically inactivates an antigen
WBC which invades bacteria
Secretion of mammalian RBC
Component of blood
Which of the following is different from others in the absence of muscular coat?
Veins
Arteries
Capillaries
Arterioles
The vessel which leads blood to Bowman's capsule is:
Afferent arteriole
Pulmonary vein
Efferent arteriole
Renal vein
Who discovered Rh factor?
Harvey, W.
Landsteiner and Wiener
Levine
Wiener
What is the shape of nucleus in W. B. C.?
Round
Oval
Spindle
Irregular
Person with blood group A possesses which antibody?
A only
B only
No antibodies
Both A and B
What is the difference of lymph from blood?
Lymph has more RBC and less WBC
Lymph lacks plasma
Lymph contains plasma without proteins
Lymph has no RBC but more WBC
Prothrombin which helps in clotting blood is released by:
Blood platelets
Blood corpuscles
Blood plasma
Traumatized tissue
Among vertebrates, the largest erythrocytes (above 80µ in diameter) are found in which of the following organisms?
Amphiuma
Camel
Elephant
Ostrich
