Asked in UHS MDCAT 2010 2010Moderate

Which protein plays a major role in maintaining osmotic balance?

Correct answer: A. Albumin

  • A. Albumin
  • B. Globulin
  • C. Fibrinogen
  • D. Prothrombin

Explanation

Option [A] The plasma proteins maintain colloidal osmotic pressure of blood. [75% by albumin , 25% by globulins and almost none by fibrinogen].By keeping in mind these percentages, we know that albumin is the major plasma protein of blood. Hence option A is right. Option [B] Globulins participate in the immune system (i.e. immunoglobulins) and also act as transport proteins. Option [C] Fibrinogen and Option [D] Prothrombin are involved in the clotting process.

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