Monocytes constitute what percentage of total $W.B.C.$ (in $\%$)?

$A$ drop of each of the following is placed on four separate slides. Which one will not coagulate?

$A$ woman is married for the second time. Her first husband was $ABO$ blood type $A,$ and her child by that marriage was type $O.$ Her new husband is type $B$ and their child is type $AB.$ What is the woman's $ABO$ genotype and blood type?

Blood platelets are found only in the blood of ...

If the foetus is $Rh^+$ and the mother is $Rh^-$,then:

The colloidal osmotic pressure of blood is primarily maintained by which plasma protein?