Short-lived immunity acquired from mother to foetus across placenta or through mother's milk to the infant is categorised as
Cellular immunity
innate non -specific immunity
active immunity
passive immunity
A vein possesses a large lumen because
tunica media and tunica externa form a single coat
tunica interna and tunica media form a single coat
tunica interna, tunica media and tunica externa are thin
tunica media is a thin coat
Damage to thymus in a child may lead to
a reduction in haemoglobin content of blood
a reduction in stem cell production
loss of antibody mediated immunity
loss of cell mediated immunity
Oxygen dissociation curve of haemoglobin is
sigmoid
hyperbolic
linear
hypobolic
When CO2 concentration in blood increases, breathing becomes
shallower and slow
there is no effect on breathing
slow and deep
faster and deeper
A drop of each of the following, is placed separately on four slides. Which of them will not coagulate?
Blood plasma
Blood serum
Sample from the thoracic duct of lymphatic system
Whole blood from pulmonary vein.
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
In the ABO system of blood groups, if both antigens are present but no antibody, the blood group of the individual would be
B
O
AB
A
Removal of calcium from freshly collected blood would
cause delayed clotting
prevent clotting
cause immediate clotting
prevent destruction of haemoglobin
Child death may occur in the marriage of
Rh+ man and Rh+ woman
Rh+ man and Rh - woman
Rh - man and Rh - woman
Rh - man and Rh + woman