Determined on basis of baseline platelet count, desired platelet count, and estimated blood volume. For 70 kg patient, 4 x 10 11 platelets (about 4 units WB platelets or 1 apheresis platelet), platelet increment of approximately 30,000/ul is expected in the absence of alloimmunization or excessive consumption.
Zinc has 30 protons. The number of electrons varies, depending on ionization state, and is 30 for the neutral state. The number of neutrons varies, with 30 different isotopes â¦known to exist. 5 are stable, having 34, 36, 37, 38, and 40 neutrons.
How do we distinguish between them? They each have one single proton (Z = 1), but differ in the number of their neutrons. Hydrogen has no neutron, deuterium has one, and tritium has two neutrons. The isotopes of hydrogen have, respectively, mass numbers of one, two, and three. Their nuclear symbols are therefore 1 H, 2 H, and 3 H. The atoms of these isotopes have one electron to balance the charge of the one proton.