Blood group AB has
no antigen
no antibody
neither antigen nor antibody
Both (a) and (b)
In mammals, histamine is secreted by
fibroblasts
histocytes
lymphocytes
mast cells
Which one of the following vertebrate organs receives the oxygenated blood only?
Gill
Lung
Liver
Spleen
Tricuspid value is found in between
sinus venosus and right auricle
right auricle and right ventricle
left ventricle and left auricle
ventricle and aorta
Blood cancer is known as
leukemia
thrombosis
haemolysis
haemophilia
Bundle of His is a network of
nerve fibres distributed in ventricles
nerve fibres found throughout the heart
muscle fibres distributed throughout the heart walls
muscle fibres found only in the ventricle wall
Carbonic anhydrase occurs in
blood plasma
RBC
leucocytes
Which of the following statements is true for lymph?
WBC and serum
All components of blood except RBCs and some proteins
RBCs, WBCs and plasma
RBCs, proteins and platelets
Haemoglobin is a type of
carbohydrate
vitamin
skin pigment
respiratory pigment
Arteries carry oxygenated blood except
pulmonary
cardiac
hepatic
systemic
