Neet Solved Paper 2015 Question 61

Question: Which one of the following is correct?

Options:

A) Plasma = Blood - Lymphocytes

B) Serum = Blood + Fibrinogen

C) Lymph = Plasma + RBC + WBC

D) Blood = Plasma + RBC + WBC + Platelets

Show Answer

Answer:

Correct Answer: D

Solution:

Blood contains Red Blood Cells (RBCs), White Blood Cells (WBCs) and platelets (-45% of volume) suspended in plasma (-55% of volume).

Lymph contains WBC especially lymphocytes, floating in lymph plasma. Serum is the part of blood that is like water and that contains antibodies which fight against disease. Blood plasma is pale yellow liquid component that contains water (up to 95% by volume) and dissolved proteins (6-8%) which contains serum, globulins and fibrinogen and also glucose, clotting factors, electrolytes ( $ N{a^{+}},C{a^{2+}},M{g^{2+}},HCO_3^{-},C{l^{-}} $ etc.)